5364 lines
169 KiB
PHP
5364 lines
169 KiB
PHP
<?php
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/**
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* Post functions and post utility function.
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*
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* @package WordPress
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* @subpackage Post
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* @since 1.5.0
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*/
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//
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// Post Type Registration
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//
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/**
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* Creates the initial post types when 'init' action is fired.
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*
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* @since 2.9.0
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*/
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function create_initial_post_types() {
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register_post_type( 'post', array(
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'labels' => array(
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'name_admin_bar' => _x( 'Post', 'add new on admin bar' ),
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),
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'public' => true,
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'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
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'_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */
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'capability_type' => 'post',
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'map_meta_cap' => true,
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'hierarchical' => false,
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'rewrite' => false,
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'query_var' => false,
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'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'excerpt', 'trackbacks', 'custom-fields', 'comments', 'revisions', 'post-formats' ),
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) );
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register_post_type( 'page', array(
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'labels' => array(
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'name_admin_bar' => _x( 'Page', 'add new on admin bar' ),
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),
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'public' => true,
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'publicly_queryable' => false,
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'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
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'_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */
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'capability_type' => 'page',
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'map_meta_cap' => true,
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'hierarchical' => true,
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'rewrite' => false,
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'query_var' => false,
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'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'page-attributes', 'custom-fields', 'comments', 'revisions' ),
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) );
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register_post_type( 'attachment', array(
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'labels' => array(
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'name' => __( 'Media' ),
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'edit_item' => __( 'Edit Media' ),
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),
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'public' => true,
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'show_ui' => false,
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'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
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'_edit_link' => 'media.php?attachment_id=%d', /* internal use only. don't use this when registering your own post type. */
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'capability_type' => 'post',
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'map_meta_cap' => true,
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'hierarchical' => false,
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'rewrite' => false,
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'query_var' => false,
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'show_in_nav_menus' => false,
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'supports' => array( 'comments' ),
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) );
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register_post_type( 'revision', array(
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'labels' => array(
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'name' => __( 'Revisions' ),
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'singular_name' => __( 'Revision' ),
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),
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'public' => false,
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'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
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'_edit_link' => 'revision.php?revision=%d', /* internal use only. don't use this when registering your own post type. */
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'capability_type' => 'post',
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'map_meta_cap' => true,
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'hierarchical' => false,
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'rewrite' => false,
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'query_var' => false,
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'can_export' => false,
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) );
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register_post_type( 'nav_menu_item', array(
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'labels' => array(
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'name' => __( 'Navigation Menu Items' ),
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'singular_name' => __( 'Navigation Menu Item' ),
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),
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'public' => false,
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'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
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'hierarchical' => false,
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'rewrite' => false,
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'query_var' => false,
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) );
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register_post_status( 'publish', array(
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'label' => _x( 'Published', 'post' ),
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'public' => true,
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'_builtin' => true, /* internal use only. */
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'label_count' => _n_noop( 'Published <span class="count">(%s)</span>', 'Published <span class="count">(%s)</span>' ),
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) );
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register_post_status( 'future', array(
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'label' => _x( 'Scheduled', 'post' ),
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'protected' => true,
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'_builtin' => true, /* internal use only. */
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'label_count' => _n_noop('Scheduled <span class="count">(%s)</span>', 'Scheduled <span class="count">(%s)</span>' ),
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) );
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register_post_status( 'draft', array(
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'label' => _x( 'Draft', 'post' ),
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'protected' => true,
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'_builtin' => true, /* internal use only. */
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'label_count' => _n_noop( 'Draft <span class="count">(%s)</span>', 'Drafts <span class="count">(%s)</span>' ),
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) );
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register_post_status( 'pending', array(
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'label' => _x( 'Pending', 'post' ),
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'protected' => true,
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'_builtin' => true, /* internal use only. */
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'label_count' => _n_noop( 'Pending <span class="count">(%s)</span>', 'Pending <span class="count">(%s)</span>' ),
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) );
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register_post_status( 'private', array(
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'label' => _x( 'Private', 'post' ),
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'private' => true,
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'_builtin' => true, /* internal use only. */
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'label_count' => _n_noop( 'Private <span class="count">(%s)</span>', 'Private <span class="count">(%s)</span>' ),
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) );
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register_post_status( 'trash', array(
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'label' => _x( 'Trash', 'post' ),
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'internal' => true,
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'_builtin' => true, /* internal use only. */
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'label_count' => _n_noop( 'Trash <span class="count">(%s)</span>', 'Trash <span class="count">(%s)</span>' ),
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'show_in_admin_status_list' => true,
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) );
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register_post_status( 'auto-draft', array(
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'label' => 'auto-draft',
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'internal' => true,
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'_builtin' => true, /* internal use only. */
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) );
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register_post_status( 'inherit', array(
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'label' => 'inherit',
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'internal' => true,
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'_builtin' => true, /* internal use only. */
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'exclude_from_search' => false,
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) );
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}
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add_action( 'init', 'create_initial_post_types', 0 ); // highest priority
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/**
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* Retrieve attached file path based on attachment ID.
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*
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* You can optionally send it through the 'get_attached_file' filter, but by
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* default it will just return the file path unfiltered.
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*
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* The function works by getting the single post meta name, named
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* '_wp_attached_file' and returning it. This is a convenience function to
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* prevent looking up the meta name and provide a mechanism for sending the
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* attached filename through a filter.
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*
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* @since 2.0.0
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* @uses apply_filters() Calls 'get_attached_file' on file path and attachment ID.
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*
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* @param int $attachment_id Attachment ID.
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* @param bool $unfiltered Whether to apply filters.
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* @return string The file path to the attached file.
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*/
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function get_attached_file( $attachment_id, $unfiltered = false ) {
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$file = get_post_meta( $attachment_id, '_wp_attached_file', true );
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// If the file is relative, prepend upload dir
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if ( 0 !== strpos($file, '/') && !preg_match('|^.:\\\|', $file) && ( ($uploads = wp_upload_dir()) && false === $uploads['error'] ) )
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$file = $uploads['basedir'] . "/$file";
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if ( $unfiltered )
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return $file;
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return apply_filters( 'get_attached_file', $file, $attachment_id );
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}
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/**
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* Update attachment file path based on attachment ID.
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*
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* Used to update the file path of the attachment, which uses post meta name
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* '_wp_attached_file' to store the path of the attachment.
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*
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* @since 2.1.0
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* @uses apply_filters() Calls 'update_attached_file' on file path and attachment ID.
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*
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* @param int $attachment_id Attachment ID
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* @param string $file File path for the attachment
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* @return bool False on failure, true on success.
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*/
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function update_attached_file( $attachment_id, $file ) {
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if ( !get_post( $attachment_id ) )
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return false;
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$file = apply_filters( 'update_attached_file', $file, $attachment_id );
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$file = _wp_relative_upload_path($file);
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return update_post_meta( $attachment_id, '_wp_attached_file', $file );
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}
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/**
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* Return relative path to an uploaded file.
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*
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* The path is relative to the current upload dir.
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*
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* @since 2.9.0
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* @uses apply_filters() Calls '_wp_relative_upload_path' on file path.
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*
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* @param string $path Full path to the file
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* @return string relative path on success, unchanged path on failure.
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*/
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function _wp_relative_upload_path( $path ) {
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$new_path = $path;
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if ( ($uploads = wp_upload_dir()) && false === $uploads['error'] ) {
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if ( 0 === strpos($new_path, $uploads['basedir']) ) {
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$new_path = str_replace($uploads['basedir'], '', $new_path);
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$new_path = ltrim($new_path, '/');
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}
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}
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return apply_filters( '_wp_relative_upload_path', $new_path, $path );
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}
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/**
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* Retrieve all children of the post parent ID.
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*
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* Normally, without any enhancements, the children would apply to pages. In the
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* context of the inner workings of WordPress, pages, posts, and attachments
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* share the same table, so therefore the functionality could apply to any one
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* of them. It is then noted that while this function does not work on posts, it
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* does not mean that it won't work on posts. It is recommended that you know
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* what context you wish to retrieve the children of.
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*
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* Attachments may also be made the child of a post, so if that is an accurate
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* statement (which needs to be verified), it would then be possible to get
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* all of the attachments for a post. Attachments have since changed since
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* version 2.5, so this is most likely unaccurate, but serves generally as an
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* example of what is possible.
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*
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* The arguments listed as defaults are for this function and also of the
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* {@link get_posts()} function. The arguments are combined with the
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* get_children defaults and are then passed to the {@link get_posts()}
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* function, which accepts additional arguments. You can replace the defaults in
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* this function, listed below and the additional arguments listed in the
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* {@link get_posts()} function.
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*
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* The 'post_parent' is the most important argument and important attention
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* needs to be paid to the $args parameter. If you pass either an object or an
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* integer (number), then just the 'post_parent' is grabbed and everything else
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* is lost. If you don't specify any arguments, then it is assumed that you are
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* in The Loop and the post parent will be grabbed for from the current post.
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*
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* The 'post_parent' argument is the ID to get the children. The 'numberposts'
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* is the amount of posts to retrieve that has a default of '-1', which is
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* used to get all of the posts. Giving a number higher than 0 will only
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* retrieve that amount of posts.
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*
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* The 'post_type' and 'post_status' arguments can be used to choose what
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* criteria of posts to retrieve. The 'post_type' can be anything, but WordPress
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* post types are 'post', 'pages', and 'attachments'. The 'post_status'
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* argument will accept any post status within the write administration panels.
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*
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* @see get_posts() Has additional arguments that can be replaced.
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* @internal Claims made in the long description might be inaccurate.
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*
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* @since 2.0.0
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*
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* @param mixed $args Optional. User defined arguments for replacing the defaults.
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* @param string $output Optional. Constant for return type, either OBJECT (default), ARRAY_A, ARRAY_N.
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* @return array|bool False on failure and the type will be determined by $output parameter.
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*/
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function get_children($args = '', $output = OBJECT) {
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$kids = array();
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if ( empty( $args ) ) {
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if ( isset( $GLOBALS['post'] ) ) {
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$args = array('post_parent' => (int) $GLOBALS['post']->post_parent );
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} else {
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return $kids;
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}
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} elseif ( is_object( $args ) ) {
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$args = array('post_parent' => (int) $args->post_parent );
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} elseif ( is_numeric( $args ) ) {
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$args = array('post_parent' => (int) $args);
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}
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$defaults = array(
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'numberposts' => -1, 'post_type' => 'any',
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'post_status' => 'any', 'post_parent' => 0,
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);
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$r = wp_parse_args( $args, $defaults );
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$children = get_posts( $r );
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if ( !$children )
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return $kids;
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update_post_cache($children);
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foreach ( $children as $key => $child )
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$kids[$child->ID] = $children[$key];
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if ( $output == OBJECT ) {
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return $kids;
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} elseif ( $output == ARRAY_A ) {
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foreach ( (array) $kids as $kid )
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$weeuns[$kid->ID] = get_object_vars($kids[$kid->ID]);
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return $weeuns;
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} elseif ( $output == ARRAY_N ) {
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foreach ( (array) $kids as $kid )
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$babes[$kid->ID] = array_values(get_object_vars($kids[$kid->ID]));
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return $babes;
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} else {
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return $kids;
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}
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}
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/**
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* Get extended entry info (<!--more-->).
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*
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* There should not be any space after the second dash and before the word
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* 'more'. There can be text or space(s) after the word 'more', but won't be
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* referenced.
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*
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* The returned array has 'main', 'extended', and 'more_text' keys. Main has the text before
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* the <code><!--more--></code>. The 'extended' key has the content after the
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* <code><!--more--></code> comment. The 'more_text' key has the custom "Read More" text.
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*
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* @since 1.0.0
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*
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* @param string $post Post content.
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* @return array Post before ('main'), after ('extended'), and custom readmore ('more_text').
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*/
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function get_extended($post) {
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//Match the new style more links
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if ( preg_match('/<!--more(.*?)?-->/', $post, $matches) ) {
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list($main, $extended) = explode($matches[0], $post, 2);
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$more_text = $matches[1];
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} else {
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$main = $post;
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$extended = '';
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$more_text = '';
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}
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// Strip leading and trailing whitespace
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$main = preg_replace('/^[\s]*(.*)[\s]*$/', '\\1', $main);
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$extended = preg_replace('/^[\s]*(.*)[\s]*$/', '\\1', $extended);
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$more_text = preg_replace('/^[\s]*(.*)[\s]*$/', '\\1', $more_text);
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return array( 'main' => $main, 'extended' => $extended, 'more_text' => $more_text );
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}
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/**
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* Retrieves post data given a post ID or post object.
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*
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* See {@link sanitize_post()} for optional $filter values. Also, the parameter
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* $post, must be given as a variable, since it is passed by reference.
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*
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* @since 1.5.1
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* @uses $wpdb
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* @link http://codex.wordpress.org/Function_Reference/get_post
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*
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* @param int|object $post Post ID or post object.
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* @param string $output Optional, default is Object. Either OBJECT, ARRAY_A, or ARRAY_N.
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* @param string $filter Optional, default is raw.
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* @return mixed Post data
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*/
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function &get_post(&$post, $output = OBJECT, $filter = 'raw') {
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global $wpdb;
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$null = null;
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if ( empty($post) ) {
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if ( isset($GLOBALS['post']) )
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$_post = & $GLOBALS['post'];
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else
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return $null;
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} elseif ( is_object($post) && empty($post->filter) ) {
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_get_post_ancestors($post);
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$_post = sanitize_post($post, 'raw');
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wp_cache_add($post->ID, $_post, 'posts');
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} elseif ( is_object($post) && 'raw' == $post->filter ) {
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$_post = $post;
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} else {
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if ( is_object($post) )
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$post_id = $post->ID;
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else
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$post_id = $post;
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$post_id = (int) $post_id;
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if ( ! $_post = wp_cache_get($post_id, 'posts') ) {
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$_post = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID = %d LIMIT 1", $post_id));
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if ( ! $_post )
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return $null;
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_get_post_ancestors($_post);
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$_post = sanitize_post($_post, 'raw');
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wp_cache_add($_post->ID, $_post, 'posts');
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}
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}
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if ($filter != 'raw')
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$_post = sanitize_post($_post, $filter);
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if ( $output == OBJECT ) {
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return $_post;
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} elseif ( $output == ARRAY_A ) {
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$__post = get_object_vars($_post);
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return $__post;
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} elseif ( $output == ARRAY_N ) {
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$__post = array_values(get_object_vars($_post));
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return $__post;
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} else {
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return $_post;
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}
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}
|
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|
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/**
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|
* Retrieve ancestors of a post.
|
|
*
|
|
* @since 2.5.0
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*
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* @param int|object $post Post ID or post object
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* @return array Ancestor IDs or empty array if none are found.
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*/
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function get_post_ancestors($post) {
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$post = get_post($post);
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if ( ! isset( $post->ancestors ) )
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_get_post_ancestors( $post );
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if ( ! empty( $post->ancestors ) )
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return $post->ancestors;
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return array();
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}
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/**
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* Retrieve data from a post field based on Post ID.
|
|
*
|
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* Examples of the post field will be, 'post_type', 'post_status', 'post_content',
|
|
* etc and based off of the post object property or key names.
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*
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* The context values are based off of the taxonomy filter functions and
|
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* supported values are found within those functions.
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*
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* @since 2.3.0
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* @uses sanitize_post_field() See for possible $context values.
|
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*
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* @param string $field Post field name
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* @param id $post Post ID
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* @param string $context Optional. How to filter the field. Default is display.
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* @return WP_Error|string Value in post field or WP_Error on failure
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*/
|
|
function get_post_field( $field, $post, $context = 'display' ) {
|
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$post = (int) $post;
|
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$post = get_post( $post );
|
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if ( is_wp_error($post) )
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return $post;
|
|
|
|
if ( !is_object($post) )
|
|
return '';
|
|
|
|
if ( !isset($post->$field) )
|
|
return '';
|
|
|
|
return sanitize_post_field($field, $post->$field, $post->ID, $context);
|
|
}
|
|
|
|
/**
|
|
* Retrieve the mime type of an attachment based on the ID.
|
|
*
|
|
* This function can be used with any post type, but it makes more sense with
|
|
* attachments.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @param int $ID Optional. Post ID.
|
|
* @return bool|string False on failure or returns the mime type
|
|
*/
|
|
function get_post_mime_type($ID = '') {
|
|
$post = & get_post($ID);
|
|
|
|
if ( is_object($post) )
|
|
return $post->post_mime_type;
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieve the format slug for a post
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param int|object $post A post
|
|
*
|
|
* @return mixed The format if successful. False if no format is set. WP_Error if errors.
|
|
*/
|
|
function get_post_format( $post = null ) {
|
|
$post = get_post($post);
|
|
|
|
if ( ! post_type_supports( $post->post_type, 'post-formats' ) )
|
|
return false;
|
|
|
|
$_format = get_the_terms( $post->ID, 'post_format' );
|
|
|
|
if ( empty( $_format ) )
|
|
return false;
|
|
|
|
$format = array_shift( $_format );
|
|
|
|
return ( str_replace('post-format-', '', $format->slug ) );
|
|
}
|
|
|
|
/**
|
|
* Check if a post has a particular format
|
|
*
|
|
* @since 3.1.0
|
|
* @uses has_term()
|
|
*
|
|
* @param string $format The format to check for
|
|
* @param object|id $post The post to check. If not supplied, defaults to the current post if used in the loop.
|
|
* @return bool True if the post has the format, false otherwise.
|
|
*/
|
|
function has_post_format( $format, $post = null ) {
|
|
return has_term('post-format-' . sanitize_key($format), 'post_format', $post);
|
|
}
|
|
|
|
/**
|
|
* Assign a format to a post
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param int|object $post The post for which to assign a format
|
|
* @param string $format A format to assign. Use an empty string or array to remove all formats from the post.
|
|
* @return mixed WP_Error on error. Array of affected term IDs on success.
|
|
*/
|
|
function set_post_format( $post, $format ) {
|
|
$post = get_post($post);
|
|
|
|
if ( empty($post) )
|
|
return new WP_Error('invalid_post', __('Invalid post'));
|
|
|
|
if ( !empty($format) ) {
|
|
$format = sanitize_key($format);
|
|
if ( 'standard' == $format || !in_array( $format, array_keys( get_post_format_slugs() ) ) )
|
|
$format = '';
|
|
else
|
|
$format = 'post-format-' . $format;
|
|
}
|
|
|
|
return wp_set_post_terms($post->ID, $format, 'post_format');
|
|
}
|
|
|
|
/**
|
|
* Retrieve the post status based on the Post ID.
|
|
*
|
|
* If the post ID is of an attachment, then the parent post status will be given
|
|
* instead.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @param int $ID Post ID
|
|
* @return string|bool Post status or false on failure.
|
|
*/
|
|
function get_post_status($ID = '') {
|
|
$post = get_post($ID);
|
|
|
|
if ( !is_object($post) )
|
|
return false;
|
|
|
|
if ( 'attachment' == $post->post_type ) {
|
|
if ( 'private' == $post->post_status )
|
|
return 'private';
|
|
|
|
// Unattached attachments are assumed to be published
|
|
if ( ( 'inherit' == $post->post_status ) && ( 0 == $post->post_parent) )
|
|
return 'publish';
|
|
|
|
// Inherit status from the parent
|
|
if ( $post->post_parent && ( $post->ID != $post->post_parent ) )
|
|
return get_post_status($post->post_parent);
|
|
}
|
|
|
|
return $post->post_status;
|
|
}
|
|
|
|
/**
|
|
* Retrieve all of the WordPress supported post statuses.
|
|
*
|
|
* Posts have a limited set of valid status values, this provides the
|
|
* post_status values and descriptions.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @return array List of post statuses.
|
|
*/
|
|
function get_post_statuses( ) {
|
|
$status = array(
|
|
'draft' => __('Draft'),
|
|
'pending' => __('Pending Review'),
|
|
'private' => __('Private'),
|
|
'publish' => __('Published')
|
|
);
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* Retrieve all of the WordPress support page statuses.
|
|
*
|
|
* Pages have a limited set of valid status values, this provides the
|
|
* post_status values and descriptions.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @return array List of page statuses.
|
|
*/
|
|
function get_page_statuses( ) {
|
|
$status = array(
|
|
'draft' => __('Draft'),
|
|
'private' => __('Private'),
|
|
'publish' => __('Published')
|
|
);
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* Register a post type. Do not use before init.
|
|
*
|
|
* A simple function for creating or modifying a post status based on the
|
|
* parameters given. The function will accept an array (second optional
|
|
* parameter), along with a string for the post status name.
|
|
*
|
|
*
|
|
* Optional $args contents:
|
|
*
|
|
* label - A descriptive name for the post status marked for translation. Defaults to $post_status.
|
|
* public - Whether posts of this status should be shown in the front end of the site. Defaults to true.
|
|
* exclude_from_search - Whether to exclude posts with this post status from search results. Defaults to false.
|
|
* show_in_admin_all_list - Whether to include posts in the edit listing for their post type
|
|
* show_in_admin_status_list - Show in the list of statuses with post counts at the top of the edit
|
|
* listings, e.g. All (12) | Published (9) | My Custom Status (2) ...
|
|
*
|
|
* Arguments prefixed with an _underscore shouldn't be used by plugins and themes.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post
|
|
* @since 3.0.0
|
|
* @uses $wp_post_statuses Inserts new post status object into the list
|
|
*
|
|
* @param string $post_status Name of the post status.
|
|
* @param array|string $args See above description.
|
|
*/
|
|
function register_post_status($post_status, $args = array()) {
|
|
global $wp_post_statuses;
|
|
|
|
if (!is_array($wp_post_statuses))
|
|
$wp_post_statuses = array();
|
|
|
|
// Args prefixed with an underscore are reserved for internal use.
|
|
$defaults = array('label' => false, 'label_count' => false, 'exclude_from_search' => null, '_builtin' => false, '_edit_link' => 'post.php?post=%d', 'capability_type' => 'post', 'hierarchical' => false, 'public' => null, 'internal' => null, 'protected' => null, 'private' => null, 'show_in_admin_all' => null, 'publicly_queryable' => null, 'show_in_admin_status_list' => null, 'show_in_admin_all_list' => null, 'single_view_cap' => null);
|
|
$args = wp_parse_args($args, $defaults);
|
|
$args = (object) $args;
|
|
|
|
$post_status = sanitize_key($post_status);
|
|
$args->name = $post_status;
|
|
|
|
if ( null === $args->public && null === $args->internal && null === $args->protected && null === $args->private )
|
|
$args->internal = true;
|
|
|
|
if ( null === $args->public )
|
|
$args->public = false;
|
|
|
|
if ( null === $args->private )
|
|
$args->private = false;
|
|
|
|
if ( null === $args->protected )
|
|
$args->protected = false;
|
|
|
|
if ( null === $args->internal )
|
|
$args->internal = false;
|
|
|
|
if ( null === $args->publicly_queryable )
|
|
$args->publicly_queryable = $args->public;
|
|
|
|
if ( null === $args->exclude_from_search )
|
|
$args->exclude_from_search = $args->internal;
|
|
|
|
if ( null === $args->show_in_admin_all_list )
|
|
$args->show_in_admin_all_list = !$args->internal;
|
|
|
|
if ( null === $args->show_in_admin_status_list )
|
|
$args->show_in_admin_status_list = !$args->internal;
|
|
|
|
if ( null === $args->single_view_cap )
|
|
$args->single_view_cap = $args->public ? '' : 'edit';
|
|
|
|
if ( false === $args->label )
|
|
$args->label = $post_status;
|
|
|
|
if ( false === $args->label_count )
|
|
$args->label_count = array( $args->label, $args->label );
|
|
|
|
$wp_post_statuses[$post_status] = $args;
|
|
|
|
return $args;
|
|
}
|
|
|
|
/**
|
|
* Retrieve a post status object by name
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post
|
|
* @since 3.0.0
|
|
* @uses $wp_post_statuses
|
|
* @see register_post_status
|
|
* @see get_post_statuses
|
|
*
|
|
* @param string $post_status The name of a registered post status
|
|
* @return object A post status object
|
|
*/
|
|
function get_post_status_object( $post_status ) {
|
|
global $wp_post_statuses;
|
|
|
|
if ( empty($wp_post_statuses[$post_status]) )
|
|
return null;
|
|
|
|
return $wp_post_statuses[$post_status];
|
|
}
|
|
|
|
/**
|
|
* Get a list of all registered post status objects.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post
|
|
* @since 3.0.0
|
|
* @uses $wp_post_statuses
|
|
* @see register_post_status
|
|
* @see get_post_status_object
|
|
*
|
|
* @param array|string $args An array of key => value arguments to match against the post status objects.
|
|
* @param string $output The type of output to return, either post status 'names' or 'objects'. 'names' is the default.
|
|
* @param string $operator The logical operation to perform. 'or' means only one element
|
|
* from the array needs to match; 'and' means all elements must match. The default is 'and'.
|
|
* @return array A list of post type names or objects
|
|
*/
|
|
function get_post_stati( $args = array(), $output = 'names', $operator = 'and' ) {
|
|
global $wp_post_statuses;
|
|
|
|
$field = ('names' == $output) ? 'name' : false;
|
|
|
|
return wp_filter_object_list($wp_post_statuses, $args, $operator, $field);
|
|
}
|
|
|
|
/**
|
|
* Whether the post type is hierarchical.
|
|
*
|
|
* A false return value might also mean that the post type does not exist.
|
|
*
|
|
* @since 3.0.0
|
|
* @see get_post_type_object
|
|
*
|
|
* @param string $post_type Post type name
|
|
* @return bool Whether post type is hierarchical.
|
|
*/
|
|
function is_post_type_hierarchical( $post_type ) {
|
|
if ( ! post_type_exists( $post_type ) )
|
|
return false;
|
|
|
|
$post_type = get_post_type_object( $post_type );
|
|
return $post_type->hierarchical;
|
|
}
|
|
|
|
/**
|
|
* Checks if a post type is registered.
|
|
*
|
|
* @since 3.0.0
|
|
* @uses get_post_type_object()
|
|
*
|
|
* @param string $post_type Post type name
|
|
* @return bool Whether post type is registered.
|
|
*/
|
|
function post_type_exists( $post_type ) {
|
|
return (bool) get_post_type_object( $post_type );
|
|
}
|
|
|
|
/**
|
|
* Retrieve the post type of the current post or of a given post.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @uses $post The Loop current post global
|
|
*
|
|
* @param mixed $the_post Optional. Post object or post ID.
|
|
* @return bool|string post type or false on failure.
|
|
*/
|
|
function get_post_type( $the_post = false ) {
|
|
global $post;
|
|
|
|
if ( false === $the_post )
|
|
$the_post = $post;
|
|
elseif ( is_numeric($the_post) )
|
|
$the_post = get_post($the_post);
|
|
|
|
if ( is_object($the_post) )
|
|
return $the_post->post_type;
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieve a post type object by name
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post
|
|
* @since 3.0.0
|
|
* @uses $wp_post_types
|
|
* @see register_post_type
|
|
* @see get_post_types
|
|
*
|
|
* @param string $post_type The name of a registered post type
|
|
* @return object A post type object
|
|
*/
|
|
function get_post_type_object( $post_type ) {
|
|
global $wp_post_types;
|
|
|
|
if ( empty($wp_post_types[$post_type]) )
|
|
return null;
|
|
|
|
return $wp_post_types[$post_type];
|
|
}
|
|
|
|
/**
|
|
* Get a list of all registered post type objects.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post
|
|
* @since 2.9.0
|
|
* @uses $wp_post_types
|
|
* @see register_post_type
|
|
*
|
|
* @param array|string $args An array of key => value arguments to match against the post type objects.
|
|
* @param string $output The type of output to return, either post type 'names' or 'objects'. 'names' is the default.
|
|
* @param string $operator The logical operation to perform. 'or' means only one element
|
|
* from the array needs to match; 'and' means all elements must match. The default is 'and'.
|
|
* @return array A list of post type names or objects
|
|
*/
|
|
function get_post_types( $args = array(), $output = 'names', $operator = 'and' ) {
|
|
global $wp_post_types;
|
|
|
|
$field = ('names' == $output) ? 'name' : false;
|
|
|
|
return wp_filter_object_list($wp_post_types, $args, $operator, $field);
|
|
}
|
|
|
|
/**
|
|
* Register a post type. Do not use before init.
|
|
*
|
|
* A function for creating or modifying a post type based on the
|
|
* parameters given. The function will accept an array (second optional
|
|
* parameter), along with a string for the post type name.
|
|
*
|
|
* Optional $args contents:
|
|
*
|
|
* - label - Name of the post type shown in the menu. Usually plural. If not set, labels['name'] will be used.
|
|
* - description - A short descriptive summary of what the post type is. Defaults to blank.
|
|
* - public - Whether posts of this type should be shown in the admin UI. Defaults to false.
|
|
* - exclude_from_search - Whether to exclude posts with this post type from search results.
|
|
* Defaults to true if the type is not public, false if the type is public.
|
|
* - publicly_queryable - Whether post_type queries can be performed from the front page.
|
|
* Defaults to whatever public is set as.
|
|
* - show_ui - Whether to generate a default UI for managing this post type. Defaults to true
|
|
* if the type is public, false if the type is not public.
|
|
* - show_in_menu - Where to show the post type in the admin menu. True for a top level menu,
|
|
* false for no menu, or can be a top level page like 'tools.php' or 'edit.php?post_type=page'.
|
|
* show_ui must be true.
|
|
* - menu_position - The position in the menu order the post type should appear. Defaults to the bottom.
|
|
* - menu_icon - The url to the icon to be used for this menu. Defaults to use the posts icon.
|
|
* - capability_type - The string to use to build the read, edit, and delete capabilities. Defaults to 'post'.
|
|
* May be passed as an array to allow for alternative plurals when using this argument as a base to construct the
|
|
* capabilities, e.g. array('story', 'stories').
|
|
* - capabilities - Array of capabilities for this post type. By default the capability_type is used
|
|
* as a base to construct capabilities. You can see accepted values in {@link get_post_type_capabilities()}.
|
|
* - map_meta_cap - Whether to use the internal default meta capability handling. Defaults to false.
|
|
* - hierarchical - Whether the post type is hierarchical. Defaults to false.
|
|
* - supports - An alias for calling add_post_type_support() directly. See {@link add_post_type_support()}
|
|
* for documentation. Defaults to none.
|
|
* - register_meta_box_cb - Provide a callback function that will be called when setting up the
|
|
* meta boxes for the edit form. Do remove_meta_box() and add_meta_box() calls in the callback.
|
|
* - taxonomies - An array of taxonomy identifiers that will be registered for the post type.
|
|
* Default is no taxonomies. Taxonomies can be registered later with register_taxonomy() or
|
|
* register_taxonomy_for_object_type().
|
|
* - labels - An array of labels for this post type. By default post labels are used for non-hierarchical
|
|
* types and page labels for hierarchical ones. You can see accepted values in {@link get_post_type_labels()}.
|
|
* - has_archive - True to enable post type archives. Will generate the proper rewrite rules if rewrite is enabled.
|
|
* - rewrite - false to prevent rewrite. Defaults to true. Use array('slug'=>$slug) to customize permastruct;
|
|
* default will use $post_type as slug. Other options include 'with_front', 'feeds', 'pages', and 'ep_mask'.
|
|
* - query_var - false to prevent queries, or string to value of the query var to use for this post type
|
|
* - can_export - true allows this post type to be exported.
|
|
* - show_in_nav_menus - true makes this post type available for selection in navigation menus.
|
|
* - _builtin - true if this post type is a native or "built-in" post_type. THIS IS FOR INTERNAL USE ONLY!
|
|
* - _edit_link - URL segement to use for edit link of this post type. THIS IS FOR INTERNAL USE ONLY!
|
|
*
|
|
* @since 2.9.0
|
|
* @uses $wp_post_types Inserts new post type object into the list
|
|
*
|
|
* @param string $post_type Name of the post type.
|
|
* @param array|string $args See above description.
|
|
* @return object|WP_Error the registered post type object, or an error object
|
|
*/
|
|
function register_post_type($post_type, $args = array()) {
|
|
global $wp_post_types, $wp_rewrite, $wp;
|
|
|
|
if ( !is_array($wp_post_types) )
|
|
$wp_post_types = array();
|
|
|
|
// Args prefixed with an underscore are reserved for internal use.
|
|
$defaults = array(
|
|
'labels' => array(), 'description' => '', 'publicly_queryable' => null, 'exclude_from_search' => null,
|
|
'capability_type' => 'post', 'capabilities' => array(), 'map_meta_cap' => null,
|
|
'_builtin' => false, '_edit_link' => 'post.php?post=%d', 'hierarchical' => false,
|
|
'public' => false, 'rewrite' => true, 'has_archive' => false, 'query_var' => true,
|
|
'supports' => array(), 'register_meta_box_cb' => null,
|
|
'taxonomies' => array(), 'show_ui' => null, 'menu_position' => null, 'menu_icon' => null,
|
|
'can_export' => true,
|
|
'show_in_nav_menus' => null, 'show_in_menu' => null, 'show_in_admin_bar' => null,
|
|
);
|
|
$args = wp_parse_args($args, $defaults);
|
|
$args = (object) $args;
|
|
|
|
$post_type = sanitize_key($post_type);
|
|
$args->name = $post_type;
|
|
|
|
if ( strlen( $post_type ) > 20 )
|
|
return new WP_Error( 'post_type_too_long', __( 'Post types cannot exceed 20 characters in length' ) );
|
|
|
|
// If not set, default to the setting for public.
|
|
if ( null === $args->publicly_queryable )
|
|
$args->publicly_queryable = $args->public;
|
|
|
|
// If not set, default to the setting for public.
|
|
if ( null === $args->show_ui )
|
|
$args->show_ui = $args->public;
|
|
|
|
// If not set, default to the setting for show_ui.
|
|
if ( null === $args->show_in_menu || ! $args->show_ui )
|
|
$args->show_in_menu = $args->show_ui;
|
|
|
|
// If not set, default to the whether the full UI is shown.
|
|
if ( null === $args->show_in_admin_bar )
|
|
$args->show_in_admin_bar = true === $args->show_in_menu;
|
|
|
|
// Whether to show this type in nav-menus.php. Defaults to the setting for public.
|
|
if ( null === $args->show_in_nav_menus )
|
|
$args->show_in_nav_menus = $args->public;
|
|
|
|
// If not set, default to true if not public, false if public.
|
|
if ( null === $args->exclude_from_search )
|
|
$args->exclude_from_search = !$args->public;
|
|
|
|
// Back compat with quirky handling in version 3.0. #14122
|
|
if ( empty( $args->capabilities ) && null === $args->map_meta_cap && in_array( $args->capability_type, array( 'post', 'page' ) ) )
|
|
$args->map_meta_cap = true;
|
|
|
|
if ( null === $args->map_meta_cap )
|
|
$args->map_meta_cap = false;
|
|
|
|
$args->cap = get_post_type_capabilities( $args );
|
|
unset($args->capabilities);
|
|
|
|
if ( is_array( $args->capability_type ) )
|
|
$args->capability_type = $args->capability_type[0];
|
|
|
|
if ( ! empty($args->supports) ) {
|
|
add_post_type_support($post_type, $args->supports);
|
|
unset($args->supports);
|
|
} else {
|
|
// Add default features
|
|
add_post_type_support($post_type, array('title', 'editor'));
|
|
}
|
|
|
|
if ( false !== $args->query_var && !empty($wp) ) {
|
|
if ( true === $args->query_var )
|
|
$args->query_var = $post_type;
|
|
$args->query_var = sanitize_title_with_dashes($args->query_var);
|
|
$wp->add_query_var($args->query_var);
|
|
}
|
|
|
|
if ( false !== $args->rewrite && ( is_admin() || '' != get_option('permalink_structure') ) ) {
|
|
if ( ! is_array( $args->rewrite ) )
|
|
$args->rewrite = array();
|
|
if ( empty( $args->rewrite['slug'] ) )
|
|
$args->rewrite['slug'] = $post_type;
|
|
if ( ! isset( $args->rewrite['with_front'] ) )
|
|
$args->rewrite['with_front'] = true;
|
|
if ( ! isset( $args->rewrite['pages'] ) )
|
|
$args->rewrite['pages'] = true;
|
|
if ( ! isset( $args->rewrite['feeds'] ) || ! $args->has_archive )
|
|
$args->rewrite['feeds'] = (bool) $args->has_archive;
|
|
if ( ! isset( $args->rewrite['ep_mask'] ) ) {
|
|
if ( isset( $args->permalink_epmask ) )
|
|
$args->rewrite['ep_mask'] = $args->permalink_epmask;
|
|
else
|
|
$args->rewrite['ep_mask'] = EP_PERMALINK;
|
|
}
|
|
|
|
if ( $args->hierarchical )
|
|
add_rewrite_tag("%$post_type%", '(.+?)', $args->query_var ? "{$args->query_var}=" : "post_type=$post_type&name=");
|
|
else
|
|
add_rewrite_tag("%$post_type%", '([^/]+)', $args->query_var ? "{$args->query_var}=" : "post_type=$post_type&name=");
|
|
|
|
if ( $args->has_archive ) {
|
|
$archive_slug = $args->has_archive === true ? $args->rewrite['slug'] : $args->has_archive;
|
|
if ( $args->rewrite['with_front'] )
|
|
$archive_slug = substr( $wp_rewrite->front, 1 ) . $archive_slug;
|
|
else
|
|
$archive_slug = $wp_rewrite->root . $archive_slug;
|
|
|
|
add_rewrite_rule( "{$archive_slug}/?$", "index.php?post_type=$post_type", 'top' );
|
|
if ( $args->rewrite['feeds'] && $wp_rewrite->feeds ) {
|
|
$feeds = '(' . trim( implode( '|', $wp_rewrite->feeds ) ) . ')';
|
|
add_rewrite_rule( "{$archive_slug}/feed/$feeds/?$", "index.php?post_type=$post_type" . '&feed=$matches[1]', 'top' );
|
|
add_rewrite_rule( "{$archive_slug}/$feeds/?$", "index.php?post_type=$post_type" . '&feed=$matches[1]', 'top' );
|
|
}
|
|
if ( $args->rewrite['pages'] )
|
|
add_rewrite_rule( "{$archive_slug}/{$wp_rewrite->pagination_base}/([0-9]{1,})/?$", "index.php?post_type=$post_type" . '&paged=$matches[1]', 'top' );
|
|
}
|
|
|
|
add_permastruct( $post_type, "{$args->rewrite['slug']}/%$post_type%", $args->rewrite );
|
|
}
|
|
|
|
if ( $args->register_meta_box_cb )
|
|
add_action('add_meta_boxes_' . $post_type, $args->register_meta_box_cb, 10, 1);
|
|
|
|
$args->labels = get_post_type_labels( $args );
|
|
$args->label = $args->labels->name;
|
|
|
|
$wp_post_types[$post_type] = $args;
|
|
|
|
add_action( 'future_' . $post_type, '_future_post_hook', 5, 2 );
|
|
|
|
foreach ( $args->taxonomies as $taxonomy ) {
|
|
register_taxonomy_for_object_type( $taxonomy, $post_type );
|
|
}
|
|
|
|
do_action( 'registered_post_type', $post_type, $args );
|
|
|
|
return $args;
|
|
}
|
|
|
|
/**
|
|
* Builds an object with all post type capabilities out of a post type object
|
|
*
|
|
* Post type capabilities use the 'capability_type' argument as a base, if the
|
|
* capability is not set in the 'capabilities' argument array or if the
|
|
* 'capabilities' argument is not supplied.
|
|
*
|
|
* The capability_type argument can optionally be registered as an array, with
|
|
* the first value being singular and the second plural, e.g. array('story, 'stories')
|
|
* Otherwise, an 's' will be added to the value for the plural form. After
|
|
* registration, capability_type will always be a string of the singular value.
|
|
*
|
|
* By default, seven keys are accepted as part of the capabilities array:
|
|
*
|
|
* - edit_post, read_post, and delete_post are meta capabilities, which are then
|
|
* generally mapped to corresponding primitive capabilities depending on the
|
|
* context, which would be the post being edited/read/deleted and the user or
|
|
* role being checked. Thus these capabilities would generally not be granted
|
|
* directly to users or roles.
|
|
*
|
|
* - edit_posts - Controls whether objects of this post type can be edited.
|
|
* - edit_others_posts - Controls whether objects of this type owned by other users
|
|
* can be edited. If the post type does not support an author, then this will
|
|
* behave like edit_posts.
|
|
* - publish_posts - Controls publishing objects of this post type.
|
|
* - read_private_posts - Controls whether private objects can be read.
|
|
|
|
* These four primitive capabilities are checked in core in various locations.
|
|
* There are also seven other primitive capabilities which are not referenced
|
|
* directly in core, except in map_meta_cap(), which takes the three aforementioned
|
|
* meta capabilities and translates them into one or more primitive capabilities
|
|
* that must then be checked against the user or role, depending on the context.
|
|
*
|
|
* - read - Controls whether objects of this post type can be read.
|
|
* - delete_posts - Controls whether objects of this post type can be deleted.
|
|
* - delete_private_posts - Controls whether private objects can be deleted.
|
|
* - delete_published_posts - Controls whether published objects can be deleted.
|
|
* - delete_others_posts - Controls whether objects owned by other users can be
|
|
* can be deleted. If the post type does not support an author, then this will
|
|
* behave like delete_posts.
|
|
* - edit_private_posts - Controls whether private objects can be edited.
|
|
* - edit_published_posts - Controls whether published objects can be edited.
|
|
*
|
|
* These additional capabilities are only used in map_meta_cap(). Thus, they are
|
|
* only assigned by default if the post type is registered with the 'map_meta_cap'
|
|
* argument set to true (default is false).
|
|
*
|
|
* @see map_meta_cap()
|
|
* @since 3.0.0
|
|
*
|
|
* @param object $args Post type registration arguments
|
|
* @return object object with all the capabilities as member variables
|
|
*/
|
|
function get_post_type_capabilities( $args ) {
|
|
if ( ! is_array( $args->capability_type ) )
|
|
$args->capability_type = array( $args->capability_type, $args->capability_type . 's' );
|
|
|
|
// Singular base for meta capabilities, plural base for primitive capabilities.
|
|
list( $singular_base, $plural_base ) = $args->capability_type;
|
|
|
|
$default_capabilities = array(
|
|
// Meta capabilities
|
|
'edit_post' => 'edit_' . $singular_base,
|
|
'read_post' => 'read_' . $singular_base,
|
|
'delete_post' => 'delete_' . $singular_base,
|
|
// Primitive capabilities used outside of map_meta_cap():
|
|
'edit_posts' => 'edit_' . $plural_base,
|
|
'edit_others_posts' => 'edit_others_' . $plural_base,
|
|
'publish_posts' => 'publish_' . $plural_base,
|
|
'read_private_posts' => 'read_private_' . $plural_base,
|
|
);
|
|
|
|
// Primitive capabilities used within map_meta_cap():
|
|
if ( $args->map_meta_cap ) {
|
|
$default_capabilities_for_mapping = array(
|
|
'read' => 'read',
|
|
'delete_posts' => 'delete_' . $plural_base,
|
|
'delete_private_posts' => 'delete_private_' . $plural_base,
|
|
'delete_published_posts' => 'delete_published_' . $plural_base,
|
|
'delete_others_posts' => 'delete_others_' . $plural_base,
|
|
'edit_private_posts' => 'edit_private_' . $plural_base,
|
|
'edit_published_posts' => 'edit_published_' . $plural_base,
|
|
);
|
|
$default_capabilities = array_merge( $default_capabilities, $default_capabilities_for_mapping );
|
|
}
|
|
|
|
$capabilities = array_merge( $default_capabilities, $args->capabilities );
|
|
|
|
// Remember meta capabilities for future reference.
|
|
if ( $args->map_meta_cap )
|
|
_post_type_meta_capabilities( $capabilities );
|
|
|
|
return (object) $capabilities;
|
|
}
|
|
|
|
/**
|
|
* Stores or returns a list of post type meta caps for map_meta_cap().
|
|
*
|
|
* @since 3.1.0
|
|
* @access private
|
|
*/
|
|
function _post_type_meta_capabilities( $capabilities = null ) {
|
|
static $meta_caps = array();
|
|
if ( null === $capabilities )
|
|
return $meta_caps;
|
|
foreach ( $capabilities as $core => $custom ) {
|
|
if ( in_array( $core, array( 'read_post', 'delete_post', 'edit_post' ) ) )
|
|
$meta_caps[ $custom ] = $core;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Builds an object with all post type labels out of a post type object
|
|
*
|
|
* Accepted keys of the label array in the post type object:
|
|
* - name - general name for the post type, usually plural. The same and overridden by $post_type_object->label. Default is Posts/Pages
|
|
* - singular_name - name for one object of this post type. Default is Post/Page
|
|
* - add_new - Default is Add New for both hierarchical and non-hierarchical types. When internationalizing this string, please use a {@link http://codex.wordpress.org/I18n_for_WordPress_Developers#Disambiguation_by_context gettext context} matching your post type. Example: <code>_x('Add New', 'product');</code>
|
|
* - add_new_item - Default is Add New Post/Add New Page
|
|
* - edit_item - Default is Edit Post/Edit Page
|
|
* - new_item - Default is New Post/New Page
|
|
* - view_item - Default is View Post/View Page
|
|
* - search_items - Default is Search Posts/Search Pages
|
|
* - not_found - Default is No posts found/No pages found
|
|
* - not_found_in_trash - Default is No posts found in Trash/No pages found in Trash
|
|
* - parent_item_colon - This string isn't used on non-hierarchical types. In hierarchical ones the default is Parent Page:
|
|
* - all_items - String for the submenu. Default is All Posts/All Pages
|
|
* - menu_name - Default is the same as <code>name</code>
|
|
*
|
|
* Above, the first default value is for non-hierarchical post types (like posts) and the second one is for hierarchical post types (like pages).
|
|
*
|
|
* @since 3.0.0
|
|
* @param object $post_type_object
|
|
* @return object object with all the labels as member variables
|
|
*/
|
|
function get_post_type_labels( $post_type_object ) {
|
|
$nohier_vs_hier_defaults = array(
|
|
'name' => array( _x('Posts', 'post type general name'), _x('Pages', 'post type general name') ),
|
|
'singular_name' => array( _x('Post', 'post type singular name'), _x('Page', 'post type singular name') ),
|
|
'add_new' => array( _x('Add New', 'post'), _x('Add New', 'page') ),
|
|
'add_new_item' => array( __('Add New Post'), __('Add New Page') ),
|
|
'edit_item' => array( __('Edit Post'), __('Edit Page') ),
|
|
'new_item' => array( __('New Post'), __('New Page') ),
|
|
'view_item' => array( __('View Post'), __('View Page') ),
|
|
'search_items' => array( __('Search Posts'), __('Search Pages') ),
|
|
'not_found' => array( __('No posts found.'), __('No pages found.') ),
|
|
'not_found_in_trash' => array( __('No posts found in Trash.'), __('No pages found in Trash.') ),
|
|
'parent_item_colon' => array( null, __('Parent Page:') ),
|
|
'all_items' => array( __( 'All Posts' ), __( 'All Pages' ) )
|
|
);
|
|
$nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name'];
|
|
return _get_custom_object_labels( $post_type_object, $nohier_vs_hier_defaults );
|
|
}
|
|
|
|
/**
|
|
* Builds an object with custom-something object (post type, taxonomy) labels out of a custom-something object
|
|
*
|
|
* @access private
|
|
* @since 3.0.0
|
|
*/
|
|
function _get_custom_object_labels( $object, $nohier_vs_hier_defaults ) {
|
|
|
|
if ( isset( $object->label ) && empty( $object->labels['name'] ) )
|
|
$object->labels['name'] = $object->label;
|
|
|
|
if ( !isset( $object->labels['singular_name'] ) && isset( $object->labels['name'] ) )
|
|
$object->labels['singular_name'] = $object->labels['name'];
|
|
|
|
if ( ! isset( $object->labels['name_admin_bar'] ) )
|
|
$object->labels['name_admin_bar'] = isset( $object->labels['singular_name'] ) ? $object->labels['singular_name'] : $object->name;
|
|
|
|
if ( !isset( $object->labels['menu_name'] ) && isset( $object->labels['name'] ) )
|
|
$object->labels['menu_name'] = $object->labels['name'];
|
|
|
|
if ( !isset( $object->labels['all_items'] ) && isset( $object->labels['menu_name'] ) )
|
|
$object->labels['all_items'] = $object->labels['menu_name'];
|
|
|
|
foreach ( $nohier_vs_hier_defaults as $key => $value )
|
|
$defaults[$key] = $object->hierarchical ? $value[1] : $value[0];
|
|
|
|
$labels = array_merge( $defaults, $object->labels );
|
|
return (object)$labels;
|
|
}
|
|
|
|
/**
|
|
* Adds submenus for post types.
|
|
*
|
|
* @access private
|
|
* @since 3.1.0
|
|
*/
|
|
function _add_post_type_submenus() {
|
|
foreach ( get_post_types( array( 'show_ui' => true ) ) as $ptype ) {
|
|
$ptype_obj = get_post_type_object( $ptype );
|
|
// Submenus only.
|
|
if ( ! $ptype_obj->show_in_menu || $ptype_obj->show_in_menu === true )
|
|
continue;
|
|
add_submenu_page( $ptype_obj->show_in_menu, $ptype_obj->labels->name, $ptype_obj->labels->all_items, $ptype_obj->cap->edit_posts, "edit.php?post_type=$ptype" );
|
|
}
|
|
}
|
|
add_action( 'admin_menu', '_add_post_type_submenus' );
|
|
|
|
/**
|
|
* Register support of certain features for a post type.
|
|
*
|
|
* All features are directly associated with a functional area of the edit screen, such as the
|
|
* editor or a meta box: 'title', 'editor', 'comments', 'revisions', 'trackbacks', 'author',
|
|
* 'excerpt', 'page-attributes', 'thumbnail', and 'custom-fields'.
|
|
*
|
|
* Additionally, the 'revisions' feature dictates whether the post type will store revisions,
|
|
* and the 'comments' feature dictates whether the comments count will show on the edit screen.
|
|
*
|
|
* @since 3.0.0
|
|
* @param string $post_type The post type for which to add the feature
|
|
* @param string|array $feature the feature being added, can be an array of feature strings or a single string
|
|
*/
|
|
function add_post_type_support( $post_type, $feature ) {
|
|
global $_wp_post_type_features;
|
|
|
|
$features = (array) $feature;
|
|
foreach ($features as $feature) {
|
|
if ( func_num_args() == 2 )
|
|
$_wp_post_type_features[$post_type][$feature] = true;
|
|
else
|
|
$_wp_post_type_features[$post_type][$feature] = array_slice( func_get_args(), 2 );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove support for a feature from a post type.
|
|
*
|
|
* @since 3.0.0
|
|
* @param string $post_type The post type for which to remove the feature
|
|
* @param string $feature The feature being removed
|
|
*/
|
|
function remove_post_type_support( $post_type, $feature ) {
|
|
global $_wp_post_type_features;
|
|
|
|
if ( !isset($_wp_post_type_features[$post_type]) )
|
|
return;
|
|
|
|
if ( isset($_wp_post_type_features[$post_type][$feature]) )
|
|
unset($_wp_post_type_features[$post_type][$feature]);
|
|
}
|
|
|
|
/**
|
|
* Get all the post type features
|
|
*
|
|
* @since 3.4.0
|
|
* @param string $post_type The post type
|
|
* @return array
|
|
*/
|
|
|
|
function get_all_post_type_supports( $post_type ) {
|
|
global $_wp_post_type_features;
|
|
|
|
if ( isset( $_wp_post_type_features[$post_type] ) )
|
|
return $_wp_post_type_features[$post_type];
|
|
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* Checks a post type's support for a given feature
|
|
*
|
|
* @since 3.0.0
|
|
* @param string $post_type The post type being checked
|
|
* @param string $feature the feature being checked
|
|
* @return boolean
|
|
*/
|
|
|
|
function post_type_supports( $post_type, $feature ) {
|
|
global $_wp_post_type_features;
|
|
|
|
if ( !isset( $_wp_post_type_features[$post_type][$feature] ) )
|
|
return false;
|
|
|
|
// If no args passed then no extra checks need be performed
|
|
if ( func_num_args() <= 2 )
|
|
return true;
|
|
|
|
// @todo Allow pluggable arg checking
|
|
//$args = array_slice( func_get_args(), 2 );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Updates the post type for the post ID.
|
|
*
|
|
* The page or post cache will be cleaned for the post ID.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @uses $wpdb
|
|
*
|
|
* @param int $post_id Post ID to change post type. Not actually optional.
|
|
* @param string $post_type Optional, default is post. Supported values are 'post' or 'page' to
|
|
* name a few.
|
|
* @return int Amount of rows changed. Should be 1 for success and 0 for failure.
|
|
*/
|
|
function set_post_type( $post_id = 0, $post_type = 'post' ) {
|
|
global $wpdb;
|
|
|
|
$post_type = sanitize_post_field('post_type', $post_type, $post_id, 'db');
|
|
$return = $wpdb->update($wpdb->posts, array('post_type' => $post_type), array('ID' => $post_id) );
|
|
|
|
if ( 'page' == $post_type )
|
|
clean_page_cache($post_id);
|
|
else
|
|
clean_post_cache($post_id);
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Retrieve list of latest posts or posts matching criteria.
|
|
*
|
|
* The defaults are as follows:
|
|
* 'numberposts' - Default is 5. Total number of posts to retrieve.
|
|
* 'offset' - Default is 0. See {@link WP_Query::query()} for more.
|
|
* 'category' - What category to pull the posts from.
|
|
* 'orderby' - Default is 'post_date'. How to order the posts.
|
|
* 'order' - Default is 'DESC'. The order to retrieve the posts.
|
|
* 'include' - See {@link WP_Query::query()} for more.
|
|
* 'exclude' - See {@link WP_Query::query()} for more.
|
|
* 'meta_key' - See {@link WP_Query::query()} for more.
|
|
* 'meta_value' - See {@link WP_Query::query()} for more.
|
|
* 'post_type' - Default is 'post'. Can be 'page', or 'attachment' to name a few.
|
|
* 'post_parent' - The parent of the post or post type.
|
|
* 'post_status' - Default is 'publish'. Post status to retrieve.
|
|
*
|
|
* @since 1.2.0
|
|
* @uses $wpdb
|
|
* @uses WP_Query::query() See for more default arguments and information.
|
|
* @link http://codex.wordpress.org/Template_Tags/get_posts
|
|
*
|
|
* @param array $args Optional. Overrides defaults.
|
|
* @return array List of posts.
|
|
*/
|
|
function get_posts($args = null) {
|
|
$defaults = array(
|
|
'numberposts' => 5, 'offset' => 0,
|
|
'category' => 0, 'orderby' => 'post_date',
|
|
'order' => 'DESC', 'include' => array(),
|
|
'exclude' => array(), 'meta_key' => '',
|
|
'meta_value' =>'', 'post_type' => 'post',
|
|
'suppress_filters' => true
|
|
);
|
|
|
|
$r = wp_parse_args( $args, $defaults );
|
|
if ( empty( $r['post_status'] ) )
|
|
$r['post_status'] = ( 'attachment' == $r['post_type'] ) ? 'inherit' : 'publish';
|
|
if ( ! empty($r['numberposts']) && empty($r['posts_per_page']) )
|
|
$r['posts_per_page'] = $r['numberposts'];
|
|
if ( ! empty($r['category']) )
|
|
$r['cat'] = $r['category'];
|
|
if ( ! empty($r['include']) ) {
|
|
$incposts = wp_parse_id_list( $r['include'] );
|
|
$r['posts_per_page'] = count($incposts); // only the number of posts included
|
|
$r['post__in'] = $incposts;
|
|
} elseif ( ! empty($r['exclude']) )
|
|
$r['post__not_in'] = wp_parse_id_list( $r['exclude'] );
|
|
|
|
$r['ignore_sticky_posts'] = true;
|
|
$r['no_found_rows'] = true;
|
|
|
|
$get_posts = new WP_Query;
|
|
return $get_posts->query($r);
|
|
|
|
}
|
|
|
|
//
|
|
// Post meta functions
|
|
//
|
|
|
|
/**
|
|
* Add meta data field to a post.
|
|
*
|
|
* Post meta data is called "Custom Fields" on the Administration Screen.
|
|
*
|
|
* @since 1.5.0
|
|
* @uses $wpdb
|
|
* @link http://codex.wordpress.org/Function_Reference/add_post_meta
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @param string $meta_key Metadata name.
|
|
* @param mixed $meta_value Metadata value.
|
|
* @param bool $unique Optional, default is false. Whether the same key should not be added.
|
|
* @return bool False for failure. True for success.
|
|
*/
|
|
function add_post_meta($post_id, $meta_key, $meta_value, $unique = false) {
|
|
// make sure meta is added to the post, not a revision
|
|
if ( $the_post = wp_is_post_revision($post_id) )
|
|
$post_id = $the_post;
|
|
|
|
return add_metadata('post', $post_id, $meta_key, $meta_value, $unique);
|
|
}
|
|
|
|
/**
|
|
* Remove metadata matching criteria from a post.
|
|
*
|
|
* You can match based on the key, or key and value. Removing based on key and
|
|
* value, will keep from removing duplicate metadata with the same key. It also
|
|
* allows removing all metadata matching key, if needed.
|
|
*
|
|
* @since 1.5.0
|
|
* @uses $wpdb
|
|
* @link http://codex.wordpress.org/Function_Reference/delete_post_meta
|
|
*
|
|
* @param int $post_id post ID
|
|
* @param string $meta_key Metadata name.
|
|
* @param mixed $meta_value Optional. Metadata value.
|
|
* @return bool False for failure. True for success.
|
|
*/
|
|
function delete_post_meta($post_id, $meta_key, $meta_value = '') {
|
|
// make sure meta is added to the post, not a revision
|
|
if ( $the_post = wp_is_post_revision($post_id) )
|
|
$post_id = $the_post;
|
|
|
|
return delete_metadata('post', $post_id, $meta_key, $meta_value);
|
|
}
|
|
|
|
/**
|
|
* Retrieve post meta field for a post.
|
|
*
|
|
* @since 1.5.0
|
|
* @uses $wpdb
|
|
* @link http://codex.wordpress.org/Function_Reference/get_post_meta
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @param string $key Optional. The meta key to retrieve. By default, returns data for all keys.
|
|
* @param bool $single Whether to return a single value.
|
|
* @return mixed Will be an array if $single is false. Will be value of meta data field if $single
|
|
* is true.
|
|
*/
|
|
function get_post_meta($post_id, $key = '', $single = false) {
|
|
return get_metadata('post', $post_id, $key, $single);
|
|
}
|
|
|
|
/**
|
|
* Update post meta field based on post ID.
|
|
*
|
|
* Use the $prev_value parameter to differentiate between meta fields with the
|
|
* same key and post ID.
|
|
*
|
|
* If the meta field for the post does not exist, it will be added.
|
|
*
|
|
* @since 1.5.0
|
|
* @uses $wpdb
|
|
* @link http://codex.wordpress.org/Function_Reference/update_post_meta
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @param string $meta_key Metadata key.
|
|
* @param mixed $meta_value Metadata value.
|
|
* @param mixed $prev_value Optional. Previous value to check before removing.
|
|
* @return bool False on failure, true if success.
|
|
*/
|
|
function update_post_meta($post_id, $meta_key, $meta_value, $prev_value = '') {
|
|
// make sure meta is added to the post, not a revision
|
|
if ( $the_post = wp_is_post_revision($post_id) )
|
|
$post_id = $the_post;
|
|
|
|
return update_metadata('post', $post_id, $meta_key, $meta_value, $prev_value);
|
|
}
|
|
|
|
/**
|
|
* Delete everything from post meta matching meta key.
|
|
*
|
|
* @since 2.3.0
|
|
* @uses $wpdb
|
|
*
|
|
* @param string $post_meta_key Key to search for when deleting.
|
|
* @return bool Whether the post meta key was deleted from the database
|
|
*/
|
|
function delete_post_meta_by_key($post_meta_key) {
|
|
return delete_metadata( 'post', null, $post_meta_key, '', true );
|
|
}
|
|
|
|
/**
|
|
* Retrieve post meta fields, based on post ID.
|
|
*
|
|
* The post meta fields are retrieved from the cache where possible,
|
|
* so the function is optimized to be called more than once.
|
|
*
|
|
* @since 1.2.0
|
|
* @link http://codex.wordpress.org/Function_Reference/get_post_custom
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @return array
|
|
*/
|
|
function get_post_custom( $post_id = 0 ) {
|
|
$post_id = absint( $post_id );
|
|
if ( ! $post_id )
|
|
$post_id = get_the_ID();
|
|
|
|
return get_post_meta( $post_id );
|
|
}
|
|
|
|
/**
|
|
* Retrieve meta field names for a post.
|
|
*
|
|
* If there are no meta fields, then nothing (null) will be returned.
|
|
*
|
|
* @since 1.2.0
|
|
* @link http://codex.wordpress.org/Function_Reference/get_post_custom_keys
|
|
*
|
|
* @param int $post_id post ID
|
|
* @return array|null Either array of the keys, or null if keys could not be retrieved.
|
|
*/
|
|
function get_post_custom_keys( $post_id = 0 ) {
|
|
$custom = get_post_custom( $post_id );
|
|
|
|
if ( !is_array($custom) )
|
|
return;
|
|
|
|
if ( $keys = array_keys($custom) )
|
|
return $keys;
|
|
}
|
|
|
|
/**
|
|
* Retrieve values for a custom post field.
|
|
*
|
|
* The parameters must not be considered optional. All of the post meta fields
|
|
* will be retrieved and only the meta field key values returned.
|
|
*
|
|
* @since 1.2.0
|
|
* @link http://codex.wordpress.org/Function_Reference/get_post_custom_values
|
|
*
|
|
* @param string $key Meta field key.
|
|
* @param int $post_id Post ID
|
|
* @return array Meta field values.
|
|
*/
|
|
function get_post_custom_values( $key = '', $post_id = 0 ) {
|
|
if ( !$key )
|
|
return null;
|
|
|
|
$custom = get_post_custom($post_id);
|
|
|
|
return isset($custom[$key]) ? $custom[$key] : null;
|
|
}
|
|
|
|
/**
|
|
* Check if post is sticky.
|
|
*
|
|
* Sticky posts should remain at the top of The Loop. If the post ID is not
|
|
* given, then The Loop ID for the current post will be used.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param int $post_id Optional. Post ID.
|
|
* @return bool Whether post is sticky.
|
|
*/
|
|
function is_sticky( $post_id = 0 ) {
|
|
$post_id = absint( $post_id );
|
|
|
|
if ( ! $post_id )
|
|
$post_id = get_the_ID();
|
|
|
|
$stickies = get_option( 'sticky_posts' );
|
|
|
|
if ( ! is_array( $stickies ) )
|
|
return false;
|
|
|
|
if ( in_array( $post_id, $stickies ) )
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Sanitize every post field.
|
|
*
|
|
* If the context is 'raw', then the post object or array will get minimal santization of the int fields.
|
|
*
|
|
* @since 2.3.0
|
|
* @uses sanitize_post_field() Used to sanitize the fields.
|
|
*
|
|
* @param object|array $post The Post Object or Array
|
|
* @param string $context Optional, default is 'display'. How to sanitize post fields.
|
|
* @return object|array The now sanitized Post Object or Array (will be the same type as $post)
|
|
*/
|
|
function sanitize_post($post, $context = 'display') {
|
|
if ( is_object($post) ) {
|
|
// Check if post already filtered for this context
|
|
if ( isset($post->filter) && $context == $post->filter )
|
|
return $post;
|
|
if ( !isset($post->ID) )
|
|
$post->ID = 0;
|
|
foreach ( array_keys(get_object_vars($post)) as $field )
|
|
$post->$field = sanitize_post_field($field, $post->$field, $post->ID, $context);
|
|
$post->filter = $context;
|
|
} else {
|
|
// Check if post already filtered for this context
|
|
if ( isset($post['filter']) && $context == $post['filter'] )
|
|
return $post;
|
|
if ( !isset($post['ID']) )
|
|
$post['ID'] = 0;
|
|
foreach ( array_keys($post) as $field )
|
|
$post[$field] = sanitize_post_field($field, $post[$field], $post['ID'], $context);
|
|
$post['filter'] = $context;
|
|
}
|
|
return $post;
|
|
}
|
|
|
|
/**
|
|
* Sanitize post field based on context.
|
|
*
|
|
* Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and 'js'. The
|
|
* 'display' context is used by default. 'attribute' and 'js' contexts are treated like 'display'
|
|
* when calling filters.
|
|
*
|
|
* @since 2.3.0
|
|
* @uses apply_filters() Calls 'edit_$field' and '{$field_no_prefix}_edit_pre' passing $value and
|
|
* $post_id if $context == 'edit' and field name prefix == 'post_'.
|
|
*
|
|
* @uses apply_filters() Calls 'edit_post_$field' passing $value and $post_id if $context == 'db'.
|
|
* @uses apply_filters() Calls 'pre_$field' passing $value if $context == 'db' and field name prefix == 'post_'.
|
|
* @uses apply_filters() Calls '{$field}_pre' passing $value if $context == 'db' and field name prefix != 'post_'.
|
|
*
|
|
* @uses apply_filters() Calls '$field' passing $value, $post_id and $context if $context == anything
|
|
* other than 'raw', 'edit' and 'db' and field name prefix == 'post_'.
|
|
* @uses apply_filters() Calls 'post_$field' passing $value if $context == anything other than 'raw',
|
|
* 'edit' and 'db' and field name prefix != 'post_'.
|
|
*
|
|
* @param string $field The Post Object field name.
|
|
* @param mixed $value The Post Object value.
|
|
* @param int $post_id Post ID.
|
|
* @param string $context How to sanitize post fields. Looks for 'raw', 'edit', 'db', 'display',
|
|
* 'attribute' and 'js'.
|
|
* @return mixed Sanitized value.
|
|
*/
|
|
function sanitize_post_field($field, $value, $post_id, $context) {
|
|
$int_fields = array('ID', 'post_parent', 'menu_order');
|
|
if ( in_array($field, $int_fields) )
|
|
$value = (int) $value;
|
|
|
|
// Fields which contain arrays of ints.
|
|
$array_int_fields = array( 'ancestors' );
|
|
if ( in_array($field, $array_int_fields) ) {
|
|
$value = array_map( 'absint', $value);
|
|
return $value;
|
|
}
|
|
|
|
if ( 'raw' == $context )
|
|
return $value;
|
|
|
|
$prefixed = false;
|
|
if ( false !== strpos($field, 'post_') ) {
|
|
$prefixed = true;
|
|
$field_no_prefix = str_replace('post_', '', $field);
|
|
}
|
|
|
|
if ( 'edit' == $context ) {
|
|
$format_to_edit = array('post_content', 'post_excerpt', 'post_title', 'post_password');
|
|
|
|
if ( $prefixed ) {
|
|
$value = apply_filters("edit_{$field}", $value, $post_id);
|
|
// Old school
|
|
$value = apply_filters("{$field_no_prefix}_edit_pre", $value, $post_id);
|
|
} else {
|
|
$value = apply_filters("edit_post_{$field}", $value, $post_id);
|
|
}
|
|
|
|
if ( in_array($field, $format_to_edit) ) {
|
|
if ( 'post_content' == $field )
|
|
$value = format_to_edit($value, user_can_richedit());
|
|
else
|
|
$value = format_to_edit($value);
|
|
} else {
|
|
$value = esc_attr($value);
|
|
}
|
|
} else if ( 'db' == $context ) {
|
|
if ( $prefixed ) {
|
|
$value = apply_filters("pre_{$field}", $value);
|
|
$value = apply_filters("{$field_no_prefix}_save_pre", $value);
|
|
} else {
|
|
$value = apply_filters("pre_post_{$field}", $value);
|
|
$value = apply_filters("{$field}_pre", $value);
|
|
}
|
|
} else {
|
|
// Use display filters by default.
|
|
if ( $prefixed )
|
|
$value = apply_filters($field, $value, $post_id, $context);
|
|
else
|
|
$value = apply_filters("post_{$field}", $value, $post_id, $context);
|
|
}
|
|
|
|
if ( 'attribute' == $context )
|
|
$value = esc_attr($value);
|
|
else if ( 'js' == $context )
|
|
$value = esc_js($value);
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Make a post sticky.
|
|
*
|
|
* Sticky posts should be displayed at the top of the front page.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param int $post_id Post ID.
|
|
*/
|
|
function stick_post($post_id) {
|
|
$stickies = get_option('sticky_posts');
|
|
|
|
if ( !is_array($stickies) )
|
|
$stickies = array($post_id);
|
|
|
|
if ( ! in_array($post_id, $stickies) )
|
|
$stickies[] = $post_id;
|
|
|
|
update_option('sticky_posts', $stickies);
|
|
}
|
|
|
|
/**
|
|
* Unstick a post.
|
|
*
|
|
* Sticky posts should be displayed at the top of the front page.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param int $post_id Post ID.
|
|
*/
|
|
function unstick_post($post_id) {
|
|
$stickies = get_option('sticky_posts');
|
|
|
|
if ( !is_array($stickies) )
|
|
return;
|
|
|
|
if ( ! in_array($post_id, $stickies) )
|
|
return;
|
|
|
|
$offset = array_search($post_id, $stickies);
|
|
if ( false === $offset )
|
|
return;
|
|
|
|
array_splice($stickies, $offset, 1);
|
|
|
|
update_option('sticky_posts', $stickies);
|
|
}
|
|
|
|
/**
|
|
* Count number of posts of a post type and is user has permissions to view.
|
|
*
|
|
* This function provides an efficient method of finding the amount of post's
|
|
* type a blog has. Another method is to count the amount of items in
|
|
* get_posts(), but that method has a lot of overhead with doing so. Therefore,
|
|
* when developing for 2.5+, use this function instead.
|
|
*
|
|
* The $perm parameter checks for 'readable' value and if the user can read
|
|
* private posts, it will display that for the user that is signed in.
|
|
*
|
|
* @since 2.5.0
|
|
* @link http://codex.wordpress.org/Template_Tags/wp_count_posts
|
|
*
|
|
* @param string $type Optional. Post type to retrieve count
|
|
* @param string $perm Optional. 'readable' or empty.
|
|
* @return object Number of posts for each status
|
|
*/
|
|
function wp_count_posts( $type = 'post', $perm = '' ) {
|
|
global $wpdb;
|
|
|
|
$user = wp_get_current_user();
|
|
|
|
$cache_key = $type;
|
|
|
|
$query = "SELECT post_status, COUNT( * ) AS num_posts FROM {$wpdb->posts} WHERE post_type = %s";
|
|
if ( 'readable' == $perm && is_user_logged_in() ) {
|
|
$post_type_object = get_post_type_object($type);
|
|
if ( !current_user_can( $post_type_object->cap->read_private_posts ) ) {
|
|
$cache_key .= '_' . $perm . '_' . $user->ID;
|
|
$query .= " AND (post_status != 'private' OR ( post_author = '$user->ID' AND post_status = 'private' ))";
|
|
}
|
|
}
|
|
$query .= ' GROUP BY post_status';
|
|
|
|
$count = wp_cache_get($cache_key, 'counts');
|
|
if ( false !== $count )
|
|
return $count;
|
|
|
|
$count = $wpdb->get_results( $wpdb->prepare( $query, $type ), ARRAY_A );
|
|
|
|
$stats = array();
|
|
foreach ( get_post_stati() as $state )
|
|
$stats[$state] = 0;
|
|
|
|
foreach ( (array) $count as $row )
|
|
$stats[$row['post_status']] = $row['num_posts'];
|
|
|
|
$stats = (object) $stats;
|
|
wp_cache_set($cache_key, $stats, 'counts');
|
|
|
|
return $stats;
|
|
}
|
|
|
|
/**
|
|
* Count number of attachments for the mime type(s).
|
|
*
|
|
* If you set the optional mime_type parameter, then an array will still be
|
|
* returned, but will only have the item you are looking for. It does not give
|
|
* you the number of attachments that are children of a post. You can get that
|
|
* by counting the number of children that post has.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param string|array $mime_type Optional. Array or comma-separated list of MIME patterns.
|
|
* @return array Number of posts for each mime type.
|
|
*/
|
|
function wp_count_attachments( $mime_type = '' ) {
|
|
global $wpdb;
|
|
|
|
$and = wp_post_mime_type_where( $mime_type );
|
|
$count = $wpdb->get_results( "SELECT post_mime_type, COUNT( * ) AS num_posts FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' $and GROUP BY post_mime_type", ARRAY_A );
|
|
|
|
$stats = array( );
|
|
foreach( (array) $count as $row ) {
|
|
$stats[$row['post_mime_type']] = $row['num_posts'];
|
|
}
|
|
$stats['trash'] = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status = 'trash' $and");
|
|
|
|
return (object) $stats;
|
|
}
|
|
|
|
/**
|
|
* Check a MIME-Type against a list.
|
|
*
|
|
* If the wildcard_mime_types parameter is a string, it must be comma separated
|
|
* list. If the real_mime_types is a string, it is also comma separated to
|
|
* create the list.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param string|array $wildcard_mime_types e.g. audio/mpeg or image (same as image/*) or
|
|
* flash (same as *flash*).
|
|
* @param string|array $real_mime_types post_mime_type values
|
|
* @return array array(wildcard=>array(real types))
|
|
*/
|
|
function wp_match_mime_types($wildcard_mime_types, $real_mime_types) {
|
|
$matches = array();
|
|
if ( is_string($wildcard_mime_types) )
|
|
$wildcard_mime_types = array_map('trim', explode(',', $wildcard_mime_types));
|
|
if ( is_string($real_mime_types) )
|
|
$real_mime_types = array_map('trim', explode(',', $real_mime_types));
|
|
$wild = '[-._a-z0-9]*';
|
|
foreach ( (array) $wildcard_mime_types as $type ) {
|
|
$type = str_replace('*', $wild, $type);
|
|
$patternses[1][$type] = "^$type$";
|
|
if ( false === strpos($type, '/') ) {
|
|
$patternses[2][$type] = "^$type/";
|
|
$patternses[3][$type] = $type;
|
|
}
|
|
}
|
|
asort($patternses);
|
|
foreach ( $patternses as $patterns )
|
|
foreach ( $patterns as $type => $pattern )
|
|
foreach ( (array) $real_mime_types as $real )
|
|
if ( preg_match("#$pattern#", $real) && ( empty($matches[$type]) || false === array_search($real, $matches[$type]) ) )
|
|
$matches[$type][] = $real;
|
|
return $matches;
|
|
}
|
|
|
|
/**
|
|
* Convert MIME types into SQL.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param string|array $post_mime_types List of mime types or comma separated string of mime types.
|
|
* @param string $table_alias Optional. Specify a table alias, if needed.
|
|
* @return string The SQL AND clause for mime searching.
|
|
*/
|
|
function wp_post_mime_type_where($post_mime_types, $table_alias = '') {
|
|
$where = '';
|
|
$wildcards = array('', '%', '%/%');
|
|
if ( is_string($post_mime_types) )
|
|
$post_mime_types = array_map('trim', explode(',', $post_mime_types));
|
|
foreach ( (array) $post_mime_types as $mime_type ) {
|
|
$mime_type = preg_replace('/\s/', '', $mime_type);
|
|
$slashpos = strpos($mime_type, '/');
|
|
if ( false !== $slashpos ) {
|
|
$mime_group = preg_replace('/[^-*.a-zA-Z0-9]/', '', substr($mime_type, 0, $slashpos));
|
|
$mime_subgroup = preg_replace('/[^-*.+a-zA-Z0-9]/', '', substr($mime_type, $slashpos + 1));
|
|
if ( empty($mime_subgroup) )
|
|
$mime_subgroup = '*';
|
|
else
|
|
$mime_subgroup = str_replace('/', '', $mime_subgroup);
|
|
$mime_pattern = "$mime_group/$mime_subgroup";
|
|
} else {
|
|
$mime_pattern = preg_replace('/[^-*.a-zA-Z0-9]/', '', $mime_type);
|
|
if ( false === strpos($mime_pattern, '*') )
|
|
$mime_pattern .= '/*';
|
|
}
|
|
|
|
$mime_pattern = preg_replace('/\*+/', '%', $mime_pattern);
|
|
|
|
if ( in_array( $mime_type, $wildcards ) )
|
|
return '';
|
|
|
|
if ( false !== strpos($mime_pattern, '%') )
|
|
$wheres[] = empty($table_alias) ? "post_mime_type LIKE '$mime_pattern'" : "$table_alias.post_mime_type LIKE '$mime_pattern'";
|
|
else
|
|
$wheres[] = empty($table_alias) ? "post_mime_type = '$mime_pattern'" : "$table_alias.post_mime_type = '$mime_pattern'";
|
|
}
|
|
if ( !empty($wheres) )
|
|
$where = ' AND (' . join(' OR ', $wheres) . ') ';
|
|
return $where;
|
|
}
|
|
|
|
/**
|
|
* Trashes or deletes a post or page.
|
|
*
|
|
* When the post and page is permanently deleted, everything that is tied to it is deleted also.
|
|
* This includes comments, post meta fields, and terms associated with the post.
|
|
*
|
|
* The post or page is moved to trash instead of permanently deleted unless trash is
|
|
* disabled, item is already in the trash, or $force_delete is true.
|
|
*
|
|
* @since 1.0.0
|
|
* @uses do_action() on 'delete_post' before deletion unless post type is 'attachment'.
|
|
* @uses do_action() on 'deleted_post' after deletion unless post type is 'attachment'.
|
|
* @uses wp_delete_attachment() if post type is 'attachment'.
|
|
* @uses wp_trash_post() if item should be trashed.
|
|
*
|
|
* @param int $postid Post ID.
|
|
* @param bool $force_delete Whether to bypass trash and force deletion. Defaults to false.
|
|
* @return mixed False on failure
|
|
*/
|
|
function wp_delete_post( $postid = 0, $force_delete = false ) {
|
|
global $wpdb;
|
|
|
|
if ( !$post = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID = %d", $postid)) )
|
|
return $post;
|
|
|
|
if ( !$force_delete && ( $post->post_type == 'post' || $post->post_type == 'page') && get_post_status( $postid ) != 'trash' && EMPTY_TRASH_DAYS )
|
|
return wp_trash_post($postid);
|
|
|
|
if ( $post->post_type == 'attachment' )
|
|
return wp_delete_attachment( $postid, $force_delete );
|
|
|
|
do_action('before_delete_post', $postid);
|
|
|
|
delete_post_meta($postid,'_wp_trash_meta_status');
|
|
delete_post_meta($postid,'_wp_trash_meta_time');
|
|
|
|
wp_delete_object_term_relationships($postid, get_object_taxonomies($post->post_type));
|
|
|
|
$parent_data = array( 'post_parent' => $post->post_parent );
|
|
$parent_where = array( 'post_parent' => $postid );
|
|
|
|
if ( is_post_type_hierarchical( $post->post_type ) ) {
|
|
// Point children of this page to its parent, also clean the cache of affected children
|
|
$children_query = $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE post_parent = %d AND post_type = %s", $postid, $post->post_type );
|
|
$children = $wpdb->get_results( $children_query );
|
|
|
|
$wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => $post->post_type ) );
|
|
}
|
|
|
|
if ( 'page' == $post->post_type) {
|
|
// if the page is defined in option page_on_front or post_for_posts,
|
|
// adjust the corresponding options
|
|
if ( get_option('page_on_front') == $postid ) {
|
|
update_option('show_on_front', 'posts');
|
|
delete_option('page_on_front');
|
|
}
|
|
if ( get_option('page_for_posts') == $postid ) {
|
|
delete_option('page_for_posts');
|
|
}
|
|
} else {
|
|
unstick_post($postid);
|
|
}
|
|
|
|
// Do raw query. wp_get_post_revisions() is filtered
|
|
$revision_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'revision'", $postid ) );
|
|
// Use wp_delete_post (via wp_delete_post_revision) again. Ensures any meta/misplaced data gets cleaned up.
|
|
foreach ( $revision_ids as $revision_id )
|
|
wp_delete_post_revision( $revision_id );
|
|
|
|
// Point all attachments to this post up one level
|
|
$wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => 'attachment' ) );
|
|
|
|
$comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d", $postid ));
|
|
if ( ! empty($comment_ids) ) {
|
|
do_action( 'delete_comment', $comment_ids );
|
|
foreach ( $comment_ids as $comment_id )
|
|
wp_delete_comment( $comment_id, true );
|
|
do_action( 'deleted_comment', $comment_ids );
|
|
}
|
|
|
|
$post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $postid ));
|
|
if ( !empty($post_meta_ids) ) {
|
|
do_action( 'delete_postmeta', $post_meta_ids );
|
|
$in_post_meta_ids = "'" . implode("', '", $post_meta_ids) . "'";
|
|
$wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_id IN($in_post_meta_ids)" );
|
|
do_action( 'deleted_postmeta', $post_meta_ids );
|
|
}
|
|
|
|
do_action( 'delete_post', $postid );
|
|
$wpdb->delete( $wpdb->posts, array( 'ID' => $postid ) );
|
|
do_action( 'deleted_post', $postid );
|
|
|
|
if ( 'page' == $post->post_type ) {
|
|
clean_page_cache($postid);
|
|
} else {
|
|
clean_post_cache($postid);
|
|
}
|
|
|
|
if ( is_post_type_hierarchical( $post->post_type ) ) {
|
|
foreach ( (array) $children as $child )
|
|
clean_post_cache( $child->ID );
|
|
}
|
|
|
|
wp_clear_scheduled_hook('publish_future_post', array( $postid ) );
|
|
|
|
do_action('after_delete_post', $postid);
|
|
|
|
return $post;
|
|
}
|
|
|
|
/**
|
|
* Moves a post or page to the Trash
|
|
*
|
|
* If trash is disabled, the post or page is permanently deleted.
|
|
*
|
|
* @since 2.9.0
|
|
* @uses do_action() on 'trash_post' before trashing
|
|
* @uses do_action() on 'trashed_post' after trashing
|
|
* @uses wp_delete_post() if trash is disabled
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @return mixed False on failure
|
|
*/
|
|
function wp_trash_post($post_id = 0) {
|
|
if ( !EMPTY_TRASH_DAYS )
|
|
return wp_delete_post($post_id, true);
|
|
|
|
if ( !$post = wp_get_single_post($post_id, ARRAY_A) )
|
|
return $post;
|
|
|
|
if ( $post['post_status'] == 'trash' )
|
|
return false;
|
|
|
|
do_action('wp_trash_post', $post_id);
|
|
|
|
add_post_meta($post_id,'_wp_trash_meta_status', $post['post_status']);
|
|
add_post_meta($post_id,'_wp_trash_meta_time', time());
|
|
|
|
$post['post_status'] = 'trash';
|
|
wp_insert_post($post);
|
|
|
|
wp_trash_post_comments($post_id);
|
|
|
|
do_action('trashed_post', $post_id);
|
|
|
|
return $post;
|
|
}
|
|
|
|
/**
|
|
* Restores a post or page from the Trash
|
|
*
|
|
* @since 2.9.0
|
|
* @uses do_action() on 'untrash_post' before undeletion
|
|
* @uses do_action() on 'untrashed_post' after undeletion
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @return mixed False on failure
|
|
*/
|
|
function wp_untrash_post($post_id = 0) {
|
|
if ( !$post = wp_get_single_post($post_id, ARRAY_A) )
|
|
return $post;
|
|
|
|
if ( $post['post_status'] != 'trash' )
|
|
return false;
|
|
|
|
do_action('untrash_post', $post_id);
|
|
|
|
$post_status = get_post_meta($post_id, '_wp_trash_meta_status', true);
|
|
|
|
$post['post_status'] = $post_status;
|
|
|
|
delete_post_meta($post_id, '_wp_trash_meta_status');
|
|
delete_post_meta($post_id, '_wp_trash_meta_time');
|
|
|
|
wp_insert_post($post);
|
|
|
|
wp_untrash_post_comments($post_id);
|
|
|
|
do_action('untrashed_post', $post_id);
|
|
|
|
return $post;
|
|
}
|
|
|
|
/**
|
|
* Moves comments for a post to the trash
|
|
*
|
|
* @since 2.9.0
|
|
* @uses do_action() on 'trash_post_comments' before trashing
|
|
* @uses do_action() on 'trashed_post_comments' after trashing
|
|
*
|
|
* @param int $post Post ID or object.
|
|
* @return mixed False on failure
|
|
*/
|
|
function wp_trash_post_comments($post = null) {
|
|
global $wpdb;
|
|
|
|
$post = get_post($post);
|
|
if ( empty($post) )
|
|
return;
|
|
|
|
$post_id = $post->ID;
|
|
|
|
do_action('trash_post_comments', $post_id);
|
|
|
|
$comments = $wpdb->get_results( $wpdb->prepare("SELECT comment_ID, comment_approved FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id) );
|
|
if ( empty($comments) )
|
|
return;
|
|
|
|
// Cache current status for each comment
|
|
$statuses = array();
|
|
foreach ( $comments as $comment )
|
|
$statuses[$comment->comment_ID] = $comment->comment_approved;
|
|
add_post_meta($post_id, '_wp_trash_meta_comments_status', $statuses);
|
|
|
|
// Set status for all comments to post-trashed
|
|
$result = $wpdb->update($wpdb->comments, array('comment_approved' => 'post-trashed'), array('comment_post_ID' => $post_id));
|
|
|
|
clean_comment_cache( array_keys($statuses) );
|
|
|
|
do_action('trashed_post_comments', $post_id, $statuses);
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Restore comments for a post from the trash
|
|
*
|
|
* @since 2.9.0
|
|
* @uses do_action() on 'untrash_post_comments' before trashing
|
|
* @uses do_action() on 'untrashed_post_comments' after trashing
|
|
*
|
|
* @param int $post Post ID or object.
|
|
* @return mixed False on failure
|
|
*/
|
|
function wp_untrash_post_comments($post = null) {
|
|
global $wpdb;
|
|
|
|
$post = get_post($post);
|
|
if ( empty($post) )
|
|
return;
|
|
|
|
$post_id = $post->ID;
|
|
|
|
$statuses = get_post_meta($post_id, '_wp_trash_meta_comments_status', true);
|
|
|
|
if ( empty($statuses) )
|
|
return true;
|
|
|
|
do_action('untrash_post_comments', $post_id);
|
|
|
|
// Restore each comment to its original status
|
|
$group_by_status = array();
|
|
foreach ( $statuses as $comment_id => $comment_status )
|
|
$group_by_status[$comment_status][] = $comment_id;
|
|
|
|
foreach ( $group_by_status as $status => $comments ) {
|
|
// Sanity check. This shouldn't happen.
|
|
if ( 'post-trashed' == $status )
|
|
$status = '0';
|
|
$comments_in = implode( "', '", $comments );
|
|
$wpdb->query( "UPDATE $wpdb->comments SET comment_approved = '$status' WHERE comment_ID IN ('" . $comments_in . "')" );
|
|
}
|
|
|
|
clean_comment_cache( array_keys($statuses) );
|
|
|
|
delete_post_meta($post_id, '_wp_trash_meta_comments_status');
|
|
|
|
do_action('untrashed_post_comments', $post_id);
|
|
}
|
|
|
|
/**
|
|
* Retrieve the list of categories for a post.
|
|
*
|
|
* Compatibility layer for themes and plugins. Also an easy layer of abstraction
|
|
* away from the complexity of the taxonomy layer.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @uses wp_get_object_terms() Retrieves the categories. Args details can be found here.
|
|
*
|
|
* @param int $post_id Optional. The Post ID.
|
|
* @param array $args Optional. Overwrite the defaults.
|
|
* @return array
|
|
*/
|
|
function wp_get_post_categories( $post_id = 0, $args = array() ) {
|
|
$post_id = (int) $post_id;
|
|
|
|
$defaults = array('fields' => 'ids');
|
|
$args = wp_parse_args( $args, $defaults );
|
|
|
|
$cats = wp_get_object_terms($post_id, 'category', $args);
|
|
return $cats;
|
|
}
|
|
|
|
/**
|
|
* Retrieve the tags for a post.
|
|
*
|
|
* There is only one default for this function, called 'fields' and by default
|
|
* is set to 'all'. There are other defaults that can be overridden in
|
|
* {@link wp_get_object_terms()}.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post
|
|
* @since 2.3.0
|
|
*
|
|
* @uses wp_get_object_terms() Gets the tags for returning. Args can be found here
|
|
*
|
|
* @param int $post_id Optional. The Post ID
|
|
* @param array $args Optional. Overwrite the defaults
|
|
* @return array List of post tags.
|
|
*/
|
|
function wp_get_post_tags( $post_id = 0, $args = array() ) {
|
|
return wp_get_post_terms( $post_id, 'post_tag', $args);
|
|
}
|
|
|
|
/**
|
|
* Retrieve the terms for a post.
|
|
*
|
|
* There is only one default for this function, called 'fields' and by default
|
|
* is set to 'all'. There are other defaults that can be overridden in
|
|
* {@link wp_get_object_terms()}.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post
|
|
* @since 2.8.0
|
|
*
|
|
* @uses wp_get_object_terms() Gets the tags for returning. Args can be found here
|
|
*
|
|
* @param int $post_id Optional. The Post ID
|
|
* @param string $taxonomy The taxonomy for which to retrieve terms. Defaults to post_tag.
|
|
* @param array $args Optional. Overwrite the defaults
|
|
* @return array List of post tags.
|
|
*/
|
|
function wp_get_post_terms( $post_id = 0, $taxonomy = 'post_tag', $args = array() ) {
|
|
$post_id = (int) $post_id;
|
|
|
|
$defaults = array('fields' => 'all');
|
|
$args = wp_parse_args( $args, $defaults );
|
|
|
|
$tags = wp_get_object_terms($post_id, $taxonomy, $args);
|
|
|
|
return $tags;
|
|
}
|
|
|
|
/**
|
|
* Retrieve number of recent posts.
|
|
*
|
|
* @since 1.0.0
|
|
* @uses wp_parse_args()
|
|
* @uses get_posts()
|
|
*
|
|
* @param string $deprecated Deprecated.
|
|
* @param array $args Optional. Overrides defaults.
|
|
* @param string $output Optional.
|
|
* @return unknown.
|
|
*/
|
|
function wp_get_recent_posts( $args = array(), $output = ARRAY_A ) {
|
|
|
|
if ( is_numeric( $args ) ) {
|
|
_deprecated_argument( __FUNCTION__, '3.1', __( 'Passing an integer number of posts is deprecated. Pass an array of arguments instead.' ) );
|
|
$args = array( 'numberposts' => absint( $args ) );
|
|
}
|
|
|
|
// Set default arguments
|
|
$defaults = array(
|
|
'numberposts' => 10, 'offset' => 0,
|
|
'category' => 0, 'orderby' => 'post_date',
|
|
'order' => 'DESC', 'include' => '',
|
|
'exclude' => '', 'meta_key' => '',
|
|
'meta_value' =>'', 'post_type' => 'post', 'post_status' => 'draft, publish, future, pending, private',
|
|
'suppress_filters' => true
|
|
);
|
|
|
|
$r = wp_parse_args( $args, $defaults );
|
|
|
|
$results = get_posts( $r );
|
|
|
|
// Backward compatibility. Prior to 3.1 expected posts to be returned in array
|
|
if ( ARRAY_A == $output ){
|
|
foreach( $results as $key => $result ) {
|
|
$results[$key] = get_object_vars( $result );
|
|
}
|
|
return $results ? $results : array();
|
|
}
|
|
|
|
return $results ? $results : false;
|
|
|
|
}
|
|
|
|
/**
|
|
* Retrieve a single post, based on post ID.
|
|
*
|
|
* Has categories in 'post_category' property or key. Has tags in 'tags_input'
|
|
* property or key.
|
|
*
|
|
* @since 1.0.0
|
|
*
|
|
* @param int $postid Post ID.
|
|
* @param string $mode How to return result, either OBJECT, ARRAY_N, or ARRAY_A.
|
|
* @return object|array Post object or array holding post contents and information
|
|
*/
|
|
function wp_get_single_post($postid = 0, $mode = OBJECT) {
|
|
$postid = (int) $postid;
|
|
|
|
$post = get_post($postid, $mode);
|
|
|
|
if (
|
|
( OBJECT == $mode && empty( $post->ID ) ) ||
|
|
( OBJECT != $mode && empty( $post['ID'] ) )
|
|
)
|
|
return ( OBJECT == $mode ? null : array() );
|
|
|
|
// Set categories and tags
|
|
if ( $mode == OBJECT ) {
|
|
$post->post_category = array();
|
|
if ( is_object_in_taxonomy($post->post_type, 'category') )
|
|
$post->post_category = wp_get_post_categories($postid);
|
|
$post->tags_input = array();
|
|
if ( is_object_in_taxonomy($post->post_type, 'post_tag') )
|
|
$post->tags_input = wp_get_post_tags($postid, array('fields' => 'names'));
|
|
} else {
|
|
$post['post_category'] = array();
|
|
if ( is_object_in_taxonomy($post['post_type'], 'category') )
|
|
$post['post_category'] = wp_get_post_categories($postid);
|
|
$post['tags_input'] = array();
|
|
if ( is_object_in_taxonomy($post['post_type'], 'post_tag') )
|
|
$post['tags_input'] = wp_get_post_tags($postid, array('fields' => 'names'));
|
|
}
|
|
|
|
return $post;
|
|
}
|
|
|
|
/**
|
|
* Insert a post.
|
|
*
|
|
* If the $postarr parameter has 'ID' set to a value, then post will be updated.
|
|
*
|
|
* You can set the post date manually, but setting the values for 'post_date'
|
|
* and 'post_date_gmt' keys. You can close the comments or open the comments by
|
|
* setting the value for 'comment_status' key.
|
|
*
|
|
* The defaults for the parameter $postarr are:
|
|
* 'post_status' - Default is 'draft'.
|
|
* 'post_type' - Default is 'post'.
|
|
* 'post_author' - Default is current user ID ($user_ID). The ID of the user who added the post.
|
|
* 'ping_status' - Default is the value in 'default_ping_status' option.
|
|
* Whether the attachment can accept pings.
|
|
* 'post_parent' - Default is 0. Set this for the post it belongs to, if any.
|
|
* 'menu_order' - Default is 0. The order it is displayed.
|
|
* 'to_ping' - Whether to ping.
|
|
* 'pinged' - Default is empty string.
|
|
* 'post_password' - Default is empty string. The password to access the attachment.
|
|
* 'guid' - Global Unique ID for referencing the attachment.
|
|
* 'post_content_filtered' - Post content filtered.
|
|
* 'post_excerpt' - Post excerpt.
|
|
*
|
|
* @since 1.0.0
|
|
* @uses $wpdb
|
|
* @uses $user_ID
|
|
* @uses do_action() Calls 'pre_post_update' on post ID if this is an update.
|
|
* @uses do_action() Calls 'edit_post' action on post ID and post data if this is an update.
|
|
* @uses do_action() Calls 'save_post' and 'wp_insert_post' on post id and post data just before returning.
|
|
* @uses apply_filters() Calls 'wp_insert_post_data' passing $data, $postarr prior to database update or insert.
|
|
* @uses wp_transition_post_status()
|
|
*
|
|
* @param array $postarr Elements that make up post to insert.
|
|
* @param bool $wp_error Optional. Allow return of WP_Error on failure.
|
|
* @return int|WP_Error The value 0 or WP_Error on failure. The post ID on success.
|
|
*/
|
|
function wp_insert_post($postarr, $wp_error = false) {
|
|
global $wpdb, $user_ID;
|
|
|
|
$defaults = array('post_status' => 'draft', 'post_type' => 'post', 'post_author' => $user_ID,
|
|
'ping_status' => get_option('default_ping_status'), 'post_parent' => 0,
|
|
'menu_order' => 0, 'to_ping' => '', 'pinged' => '', 'post_password' => '',
|
|
'guid' => '', 'post_content_filtered' => '', 'post_excerpt' => '', 'import_id' => 0,
|
|
'post_content' => '', 'post_title' => '');
|
|
|
|
$postarr = wp_parse_args($postarr, $defaults);
|
|
|
|
unset( $postarr[ 'filter' ] );
|
|
|
|
$postarr = sanitize_post($postarr, 'db');
|
|
|
|
// export array as variables
|
|
extract($postarr, EXTR_SKIP);
|
|
|
|
// Are we updating or creating?
|
|
$update = false;
|
|
if ( !empty($ID) ) {
|
|
$update = true;
|
|
$previous_status = get_post_field('post_status', $ID);
|
|
} else {
|
|
$previous_status = 'new';
|
|
}
|
|
|
|
$maybe_empty = ! $post_content && ! $post_title && ! $post_excerpt && post_type_supports( $post_type, 'editor' )
|
|
&& post_type_supports( $post_type, 'title' ) && post_type_supports( $post_type, 'excerpt' );
|
|
if ( apply_filters( 'wp_insert_post_empty_content', $maybe_empty, $postarr ) ) {
|
|
if ( $wp_error )
|
|
return new WP_Error( 'empty_content', __( 'Content, title, and excerpt are empty.' ) );
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
if ( empty($post_type) )
|
|
$post_type = 'post';
|
|
|
|
if ( empty($post_status) )
|
|
$post_status = 'draft';
|
|
|
|
if ( !empty($post_category) )
|
|
$post_category = array_filter($post_category); // Filter out empty terms
|
|
|
|
// Make sure we set a valid category.
|
|
if ( empty($post_category) || 0 == count($post_category) || !is_array($post_category) ) {
|
|
// 'post' requires at least one category.
|
|
if ( 'post' == $post_type && 'auto-draft' != $post_status )
|
|
$post_category = array( get_option('default_category') );
|
|
else
|
|
$post_category = array();
|
|
}
|
|
|
|
if ( empty($post_author) )
|
|
$post_author = $user_ID;
|
|
|
|
$post_ID = 0;
|
|
|
|
// Get the post ID and GUID
|
|
if ( $update ) {
|
|
$post_ID = (int) $ID;
|
|
$guid = get_post_field( 'guid', $post_ID );
|
|
$post_before = get_post($post_ID);
|
|
}
|
|
|
|
// Don't allow contributors to set the post slug for pending review posts
|
|
if ( 'pending' == $post_status && !current_user_can( 'publish_posts' ) )
|
|
$post_name = '';
|
|
|
|
// Create a valid post name. Drafts and pending posts are allowed to have an empty
|
|
// post name.
|
|
if ( empty($post_name) ) {
|
|
if ( !in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) )
|
|
$post_name = sanitize_title($post_title);
|
|
else
|
|
$post_name = '';
|
|
} else {
|
|
// On updates, we need to check to see if it's using the old, fixed sanitization context.
|
|
$check_name = sanitize_title( $post_name, '', 'old-save' );
|
|
if ( $update && strtolower( urlencode( $post_name ) ) == $check_name && get_post_field( 'post_name', $ID ) == $check_name )
|
|
$post_name = $check_name;
|
|
else // new post, or slug has changed.
|
|
$post_name = sanitize_title($post_name);
|
|
}
|
|
|
|
// If the post date is empty (due to having been new or a draft) and status is not 'draft' or 'pending', set date to now
|
|
if ( empty($post_date) || '0000-00-00 00:00:00' == $post_date )
|
|
$post_date = current_time('mysql');
|
|
|
|
if ( empty($post_date_gmt) || '0000-00-00 00:00:00' == $post_date_gmt ) {
|
|
if ( !in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) )
|
|
$post_date_gmt = get_gmt_from_date($post_date);
|
|
else
|
|
$post_date_gmt = '0000-00-00 00:00:00';
|
|
}
|
|
|
|
if ( $update || '0000-00-00 00:00:00' == $post_date ) {
|
|
$post_modified = current_time( 'mysql' );
|
|
$post_modified_gmt = current_time( 'mysql', 1 );
|
|
} else {
|
|
$post_modified = $post_date;
|
|
$post_modified_gmt = $post_date_gmt;
|
|
}
|
|
|
|
if ( 'publish' == $post_status ) {
|
|
$now = gmdate('Y-m-d H:i:59');
|
|
if ( mysql2date('U', $post_date_gmt, false) > mysql2date('U', $now, false) )
|
|
$post_status = 'future';
|
|
} elseif( 'future' == $post_status ) {
|
|
$now = gmdate('Y-m-d H:i:59');
|
|
if ( mysql2date('U', $post_date_gmt, false) <= mysql2date('U', $now, false) )
|
|
$post_status = 'publish';
|
|
}
|
|
|
|
if ( empty($comment_status) ) {
|
|
if ( $update )
|
|
$comment_status = 'closed';
|
|
else
|
|
$comment_status = get_option('default_comment_status');
|
|
}
|
|
if ( empty($ping_status) )
|
|
$ping_status = get_option('default_ping_status');
|
|
|
|
if ( isset($to_ping) )
|
|
$to_ping = sanitize_trackback_urls( $to_ping );
|
|
else
|
|
$to_ping = '';
|
|
|
|
if ( ! isset($pinged) )
|
|
$pinged = '';
|
|
|
|
if ( isset($post_parent) )
|
|
$post_parent = (int) $post_parent;
|
|
else
|
|
$post_parent = 0;
|
|
|
|
// Check the post_parent to see if it will cause a hierarchy loop
|
|
$post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_ID, compact( array_keys( $postarr ) ), $postarr );
|
|
|
|
if ( isset($menu_order) )
|
|
$menu_order = (int) $menu_order;
|
|
else
|
|
$menu_order = 0;
|
|
|
|
if ( !isset($post_password) || 'private' == $post_status )
|
|
$post_password = '';
|
|
|
|
$post_name = wp_unique_post_slug($post_name, $post_ID, $post_status, $post_type, $post_parent);
|
|
|
|
// expected_slashed (everything!)
|
|
$data = compact( array( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_content_filtered', 'post_title', 'post_excerpt', 'post_status', 'post_type', 'comment_status', 'ping_status', 'post_password', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_parent', 'menu_order', 'guid' ) );
|
|
$data = apply_filters('wp_insert_post_data', $data, $postarr);
|
|
$data = stripslashes_deep( $data );
|
|
$where = array( 'ID' => $post_ID );
|
|
|
|
if ( $update ) {
|
|
do_action( 'pre_post_update', $post_ID );
|
|
if ( false === $wpdb->update( $wpdb->posts, $data, $where ) ) {
|
|
if ( $wp_error )
|
|
return new WP_Error('db_update_error', __('Could not update post in the database'), $wpdb->last_error);
|
|
else
|
|
return 0;
|
|
}
|
|
} else {
|
|
if ( isset($post_mime_type) )
|
|
$data['post_mime_type'] = stripslashes( $post_mime_type ); // This isn't in the update
|
|
// If there is a suggested ID, use it if not already present
|
|
if ( !empty($import_id) ) {
|
|
$import_id = (int) $import_id;
|
|
if ( ! $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE ID = %d", $import_id) ) ) {
|
|
$data['ID'] = $import_id;
|
|
}
|
|
}
|
|
if ( false === $wpdb->insert( $wpdb->posts, $data ) ) {
|
|
if ( $wp_error )
|
|
return new WP_Error('db_insert_error', __('Could not insert post into the database'), $wpdb->last_error);
|
|
else
|
|
return 0;
|
|
}
|
|
$post_ID = (int) $wpdb->insert_id;
|
|
|
|
// use the newly generated $post_ID
|
|
$where = array( 'ID' => $post_ID );
|
|
}
|
|
|
|
if ( empty($data['post_name']) && !in_array( $data['post_status'], array( 'draft', 'pending', 'auto-draft' ) ) ) {
|
|
$data['post_name'] = sanitize_title($data['post_title'], $post_ID);
|
|
$wpdb->update( $wpdb->posts, array( 'post_name' => $data['post_name'] ), $where );
|
|
}
|
|
|
|
if ( is_object_in_taxonomy($post_type, 'category') )
|
|
wp_set_post_categories( $post_ID, $post_category );
|
|
|
|
if ( isset( $tags_input ) && is_object_in_taxonomy($post_type, 'post_tag') )
|
|
wp_set_post_tags( $post_ID, $tags_input );
|
|
|
|
// new-style support for all custom taxonomies
|
|
if ( !empty($tax_input) ) {
|
|
foreach ( $tax_input as $taxonomy => $tags ) {
|
|
$taxonomy_obj = get_taxonomy($taxonomy);
|
|
if ( is_array($tags) ) // array = hierarchical, string = non-hierarchical.
|
|
$tags = array_filter($tags);
|
|
if ( current_user_can($taxonomy_obj->cap->assign_terms) )
|
|
wp_set_post_terms( $post_ID, $tags, $taxonomy );
|
|
}
|
|
}
|
|
|
|
$current_guid = get_post_field( 'guid', $post_ID );
|
|
|
|
if ( 'page' == $data['post_type'] )
|
|
clean_page_cache($post_ID);
|
|
else
|
|
clean_post_cache($post_ID);
|
|
|
|
// Set GUID
|
|
if ( !$update && '' == $current_guid )
|
|
$wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post_ID ) ), $where );
|
|
|
|
$post = get_post($post_ID);
|
|
|
|
if ( !empty($page_template) && 'page' == $data['post_type'] ) {
|
|
$post->page_template = $page_template;
|
|
$page_templates = get_page_templates();
|
|
if ( 'default' != $page_template && !in_array($page_template, $page_templates) ) {
|
|
if ( $wp_error )
|
|
return new WP_Error('invalid_page_template', __('The page template is invalid.'));
|
|
else
|
|
return 0;
|
|
}
|
|
update_post_meta($post_ID, '_wp_page_template', $page_template);
|
|
}
|
|
|
|
wp_transition_post_status($data['post_status'], $previous_status, $post);
|
|
|
|
if ( $update ) {
|
|
do_action('edit_post', $post_ID, $post);
|
|
$post_after = get_post($post_ID);
|
|
do_action( 'post_updated', $post_ID, $post_after, $post_before);
|
|
}
|
|
|
|
do_action('save_post', $post_ID, $post);
|
|
do_action('wp_insert_post', $post_ID, $post);
|
|
|
|
return $post_ID;
|
|
}
|
|
|
|
/**
|
|
* Update a post with new post data.
|
|
*
|
|
* The date does not have to be set for drafts. You can set the date and it will
|
|
* not be overridden.
|
|
*
|
|
* @since 1.0.0
|
|
*
|
|
* @param array|object $postarr Post data. Arrays are expected to be escaped, objects are not.
|
|
* @return int 0 on failure, Post ID on success.
|
|
*/
|
|
function wp_update_post($postarr = array()) {
|
|
if ( is_object($postarr) ) {
|
|
// non-escaped post was passed
|
|
$postarr = get_object_vars($postarr);
|
|
$postarr = add_magic_quotes($postarr);
|
|
}
|
|
|
|
// First, get all of the original fields
|
|
$post = wp_get_single_post($postarr['ID'], ARRAY_A);
|
|
|
|
// Escape data pulled from DB.
|
|
$post = add_magic_quotes($post);
|
|
|
|
// Passed post category list overwrites existing category list if not empty.
|
|
if ( isset($postarr['post_category']) && is_array($postarr['post_category'])
|
|
&& 0 != count($postarr['post_category']) )
|
|
$post_cats = $postarr['post_category'];
|
|
else
|
|
$post_cats = $post['post_category'];
|
|
|
|
// Drafts shouldn't be assigned a date unless explicitly done so by the user
|
|
if ( isset( $post['post_status'] ) && in_array($post['post_status'], array('draft', 'pending', 'auto-draft')) && empty($postarr['edit_date']) &&
|
|
('0000-00-00 00:00:00' == $post['post_date_gmt']) )
|
|
$clear_date = true;
|
|
else
|
|
$clear_date = false;
|
|
|
|
// Merge old and new fields with new fields overwriting old ones.
|
|
$postarr = array_merge($post, $postarr);
|
|
$postarr['post_category'] = $post_cats;
|
|
if ( $clear_date ) {
|
|
$postarr['post_date'] = current_time('mysql');
|
|
$postarr['post_date_gmt'] = '';
|
|
}
|
|
|
|
if ($postarr['post_type'] == 'attachment')
|
|
return wp_insert_attachment($postarr);
|
|
|
|
return wp_insert_post($postarr);
|
|
}
|
|
|
|
/**
|
|
* Publish a post by transitioning the post status.
|
|
*
|
|
* @since 2.1.0
|
|
* @uses $wpdb
|
|
* @uses do_action() Calls 'edit_post', 'save_post', and 'wp_insert_post' on post_id and post data.
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @return null
|
|
*/
|
|
function wp_publish_post($post_id) {
|
|
global $wpdb;
|
|
|
|
$post = get_post($post_id);
|
|
|
|
if ( empty($post) )
|
|
return;
|
|
|
|
if ( 'publish' == $post->post_status )
|
|
return;
|
|
|
|
$wpdb->update( $wpdb->posts, array( 'post_status' => 'publish' ), array( 'ID' => $post_id ) );
|
|
|
|
$old_status = $post->post_status;
|
|
$post->post_status = 'publish';
|
|
wp_transition_post_status('publish', $old_status, $post);
|
|
|
|
do_action('edit_post', $post_id, $post);
|
|
do_action('save_post', $post_id, $post);
|
|
do_action('wp_insert_post', $post_id, $post);
|
|
}
|
|
|
|
/**
|
|
* Publish future post and make sure post ID has future post status.
|
|
*
|
|
* Invoked by cron 'publish_future_post' event. This safeguard prevents cron
|
|
* from publishing drafts, etc.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @return null Nothing is returned. Which can mean that no action is required or post was published.
|
|
*/
|
|
function check_and_publish_future_post($post_id) {
|
|
|
|
$post = get_post($post_id);
|
|
|
|
if ( empty($post) )
|
|
return;
|
|
|
|
if ( 'future' != $post->post_status )
|
|
return;
|
|
|
|
$time = strtotime( $post->post_date_gmt . ' GMT' );
|
|
|
|
if ( $time > time() ) { // Uh oh, someone jumped the gun!
|
|
wp_clear_scheduled_hook( 'publish_future_post', array( $post_id ) ); // clear anything else in the system
|
|
wp_schedule_single_event( $time, 'publish_future_post', array( $post_id ) );
|
|
return;
|
|
}
|
|
|
|
return wp_publish_post($post_id);
|
|
}
|
|
|
|
/**
|
|
* Computes a unique slug for the post, when given the desired slug and some post details.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @global wpdb $wpdb
|
|
* @global WP_Rewrite $wp_rewrite
|
|
* @param string $slug the desired slug (post_name)
|
|
* @param integer $post_ID
|
|
* @param string $post_status no uniqueness checks are made if the post is still draft or pending
|
|
* @param string $post_type
|
|
* @param integer $post_parent
|
|
* @return string unique slug for the post, based on $post_name (with a -1, -2, etc. suffix)
|
|
*/
|
|
function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_parent ) {
|
|
if ( in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) )
|
|
return $slug;
|
|
|
|
global $wpdb, $wp_rewrite;
|
|
|
|
$feeds = $wp_rewrite->feeds;
|
|
if ( ! is_array( $feeds ) )
|
|
$feeds = array();
|
|
|
|
$hierarchical_post_types = get_post_types( array('hierarchical' => true) );
|
|
if ( 'attachment' == $post_type ) {
|
|
// Attachment slugs must be unique across all types.
|
|
$check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND ID != %d LIMIT 1";
|
|
$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_ID ) );
|
|
|
|
if ( $post_name_check || in_array( $slug, $feeds ) || apply_filters( 'wp_unique_post_slug_is_bad_attachment_slug', false, $slug ) ) {
|
|
$suffix = 2;
|
|
do {
|
|
$alt_post_name = substr ($slug, 0, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
|
|
$post_name_check = $wpdb->get_var( $wpdb->prepare($check_sql, $alt_post_name, $post_ID ) );
|
|
$suffix++;
|
|
} while ( $post_name_check );
|
|
$slug = $alt_post_name;
|
|
}
|
|
} elseif ( in_array( $post_type, $hierarchical_post_types ) ) {
|
|
// Page slugs must be unique within their own trees. Pages are in a separate
|
|
// namespace than posts so page slugs are allowed to overlap post slugs.
|
|
$check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( '" . implode( "', '", esc_sql( $hierarchical_post_types ) ) . "' ) AND ID != %d AND post_parent = %d LIMIT 1";
|
|
$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_ID, $post_parent ) );
|
|
|
|
if ( $post_name_check || in_array( $slug, $feeds ) || preg_match( "@^($wp_rewrite->pagination_base)?\d+$@", $slug ) || apply_filters( 'wp_unique_post_slug_is_bad_hierarchical_slug', false, $slug, $post_type, $post_parent ) ) {
|
|
$suffix = 2;
|
|
do {
|
|
$alt_post_name = substr( $slug, 0, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
|
|
$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_ID, $post_parent ) );
|
|
$suffix++;
|
|
} while ( $post_name_check );
|
|
$slug = $alt_post_name;
|
|
}
|
|
} else {
|
|
// Post slugs must be unique across all posts.
|
|
$check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type = %s AND ID != %d LIMIT 1";
|
|
$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID ) );
|
|
|
|
if ( $post_name_check || in_array( $slug, $feeds ) || apply_filters( 'wp_unique_post_slug_is_bad_flat_slug', false, $slug, $post_type ) ) {
|
|
$suffix = 2;
|
|
do {
|
|
$alt_post_name = substr( $slug, 0, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
|
|
$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID ) );
|
|
$suffix++;
|
|
} while ( $post_name_check );
|
|
$slug = $alt_post_name;
|
|
}
|
|
}
|
|
|
|
return apply_filters( 'wp_unique_post_slug', $slug, $post_ID, $post_status, $post_type, $post_parent );
|
|
}
|
|
|
|
/**
|
|
* Adds tags to a post.
|
|
*
|
|
* @uses wp_set_post_tags() Same first two parameters, but the last parameter is always set to true.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $post_id Post ID
|
|
* @param string $tags The tags to set for the post, separated by commas.
|
|
* @return bool|null Will return false if $post_id is not an integer or is 0. Will return null otherwise
|
|
*/
|
|
function wp_add_post_tags($post_id = 0, $tags = '') {
|
|
return wp_set_post_tags($post_id, $tags, true);
|
|
}
|
|
|
|
/**
|
|
* Set the tags for a post.
|
|
*
|
|
* @since 2.3.0
|
|
* @uses wp_set_object_terms() Sets the tags for the post.
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @param string $tags The tags to set for the post, separated by commas.
|
|
* @param bool $append If true, don't delete existing tags, just add on. If false, replace the tags with the new tags.
|
|
* @return mixed Array of affected term IDs. WP_Error or false on failure.
|
|
*/
|
|
function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) {
|
|
return wp_set_post_terms( $post_id, $tags, 'post_tag', $append);
|
|
}
|
|
|
|
/**
|
|
* Set the terms for a post.
|
|
*
|
|
* @since 2.8.0
|
|
* @uses wp_set_object_terms() Sets the tags for the post.
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @param string $tags The tags to set for the post, separated by commas.
|
|
* @param string $taxonomy Taxonomy name. Defaults to 'post_tag'.
|
|
* @param bool $append If true, don't delete existing tags, just add on. If false, replace the tags with the new tags.
|
|
* @return mixed Array of affected term IDs. WP_Error or false on failure.
|
|
*/
|
|
function wp_set_post_terms( $post_id = 0, $tags = '', $taxonomy = 'post_tag', $append = false ) {
|
|
$post_id = (int) $post_id;
|
|
|
|
if ( !$post_id )
|
|
return false;
|
|
|
|
if ( empty($tags) )
|
|
$tags = array();
|
|
|
|
if ( ! is_array( $tags ) ) {
|
|
$comma = _x( ',', 'tag delimiter' );
|
|
if ( ',' !== $comma )
|
|
$tags = str_replace( $comma, ',', $tags );
|
|
$tags = explode( ',', trim( $tags, " \n\t\r\0\x0B," ) );
|
|
}
|
|
|
|
// Hierarchical taxonomies must always pass IDs rather than names so that children with the same
|
|
// names but different parents aren't confused.
|
|
if ( is_taxonomy_hierarchical( $taxonomy ) ) {
|
|
$tags = array_map( 'intval', $tags );
|
|
$tags = array_unique( $tags );
|
|
}
|
|
|
|
return wp_set_object_terms($post_id, $tags, $taxonomy, $append);
|
|
}
|
|
|
|
/**
|
|
* Set categories for a post.
|
|
*
|
|
* If the post categories parameter is not set, then the default category is
|
|
* going used.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param int $post_ID Post ID.
|
|
* @param array $post_categories Optional. List of categories.
|
|
* @return bool|mixed
|
|
*/
|
|
function wp_set_post_categories($post_ID = 0, $post_categories = array()) {
|
|
$post_ID = (int) $post_ID;
|
|
$post_type = get_post_type( $post_ID );
|
|
$post_status = get_post_status( $post_ID );
|
|
// If $post_categories isn't already an array, make it one:
|
|
if ( !is_array($post_categories) || empty($post_categories) ) {
|
|
if ( 'post' == $post_type && 'auto-draft' != $post_status )
|
|
$post_categories = array( get_option('default_category') );
|
|
else
|
|
$post_categories = array();
|
|
} else if ( 1 == count($post_categories) && '' == reset($post_categories) ) {
|
|
return true;
|
|
}
|
|
|
|
if ( !empty($post_categories) ) {
|
|
$post_categories = array_map('intval', $post_categories);
|
|
$post_categories = array_unique($post_categories);
|
|
}
|
|
|
|
return wp_set_object_terms($post_ID, $post_categories, 'category');
|
|
}
|
|
|
|
/**
|
|
* Transition the post status of a post.
|
|
*
|
|
* Calls hooks to transition post status.
|
|
*
|
|
* The first is 'transition_post_status' with new status, old status, and post data.
|
|
*
|
|
* The next action called is 'OLDSTATUS_to_NEWSTATUS' the 'NEWSTATUS' is the
|
|
* $new_status parameter and the 'OLDSTATUS' is $old_status parameter; it has the
|
|
* post data.
|
|
*
|
|
* The final action is named 'NEWSTATUS_POSTTYPE', 'NEWSTATUS' is from the $new_status
|
|
* parameter and POSTTYPE is post_type post data.
|
|
*
|
|
* @since 2.3.0
|
|
* @link http://codex.wordpress.org/Post_Status_Transitions
|
|
*
|
|
* @uses do_action() Calls 'transition_post_status' on $new_status, $old_status and
|
|
* $post if there is a status change.
|
|
* @uses do_action() Calls '{$old_status}_to_{$new_status}' on $post if there is a status change.
|
|
* @uses do_action() Calls '{$new_status}_{$post->post_type}' on post ID and $post.
|
|
*
|
|
* @param string $new_status Transition to this post status.
|
|
* @param string $old_status Previous post status.
|
|
* @param object $post Post data.
|
|
*/
|
|
function wp_transition_post_status($new_status, $old_status, $post) {
|
|
do_action('transition_post_status', $new_status, $old_status, $post);
|
|
do_action("{$old_status}_to_{$new_status}", $post);
|
|
do_action("{$new_status}_{$post->post_type}", $post->ID, $post);
|
|
}
|
|
|
|
//
|
|
// Trackback and ping functions
|
|
//
|
|
|
|
/**
|
|
* Add a URL to those already pung.
|
|
*
|
|
* @since 1.5.0
|
|
* @uses $wpdb
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @param string $uri Ping URI.
|
|
* @return int How many rows were updated.
|
|
*/
|
|
function add_ping($post_id, $uri) {
|
|
global $wpdb;
|
|
$pung = $wpdb->get_var( $wpdb->prepare( "SELECT pinged FROM $wpdb->posts WHERE ID = %d", $post_id ));
|
|
$pung = trim($pung);
|
|
$pung = preg_split('/\s/', $pung);
|
|
$pung[] = $uri;
|
|
$new = implode("\n", $pung);
|
|
$new = apply_filters('add_ping', $new);
|
|
// expected_slashed ($new)
|
|
$new = stripslashes($new);
|
|
return $wpdb->update( $wpdb->posts, array( 'pinged' => $new ), array( 'ID' => $post_id ) );
|
|
}
|
|
|
|
/**
|
|
* Retrieve enclosures already enclosed for a post.
|
|
*
|
|
* @since 1.5.0
|
|
* @uses $wpdb
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @return array List of enclosures
|
|
*/
|
|
function get_enclosed($post_id) {
|
|
$custom_fields = get_post_custom( $post_id );
|
|
$pung = array();
|
|
if ( !is_array( $custom_fields ) )
|
|
return $pung;
|
|
|
|
foreach ( $custom_fields as $key => $val ) {
|
|
if ( 'enclosure' != $key || !is_array( $val ) )
|
|
continue;
|
|
foreach( $val as $enc ) {
|
|
$enclosure = explode( "\n", $enc );
|
|
$pung[] = trim( $enclosure[ 0 ] );
|
|
}
|
|
}
|
|
$pung = apply_filters('get_enclosed', $pung, $post_id);
|
|
return $pung;
|
|
}
|
|
|
|
/**
|
|
* Retrieve URLs already pinged for a post.
|
|
*
|
|
* @since 1.5.0
|
|
* @uses $wpdb
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @return array
|
|
*/
|
|
function get_pung($post_id) {
|
|
global $wpdb;
|
|
$pung = $wpdb->get_var( $wpdb->prepare( "SELECT pinged FROM $wpdb->posts WHERE ID = %d", $post_id ));
|
|
$pung = trim($pung);
|
|
$pung = preg_split('/\s/', $pung);
|
|
$pung = apply_filters('get_pung', $pung);
|
|
return $pung;
|
|
}
|
|
|
|
/**
|
|
* Retrieve URLs that need to be pinged.
|
|
*
|
|
* @since 1.5.0
|
|
* @uses $wpdb
|
|
*
|
|
* @param int $post_id Post ID
|
|
* @return array
|
|
*/
|
|
function get_to_ping($post_id) {
|
|
global $wpdb;
|
|
$to_ping = $wpdb->get_var( $wpdb->prepare( "SELECT to_ping FROM $wpdb->posts WHERE ID = %d", $post_id ));
|
|
$to_ping = sanitize_trackback_urls( $to_ping );
|
|
$to_ping = preg_split('/\s/', $to_ping, -1, PREG_SPLIT_NO_EMPTY);
|
|
$to_ping = apply_filters('get_to_ping', $to_ping);
|
|
return $to_ping;
|
|
}
|
|
|
|
/**
|
|
* Do trackbacks for a list of URLs.
|
|
*
|
|
* @since 1.0.0
|
|
*
|
|
* @param string $tb_list Comma separated list of URLs
|
|
* @param int $post_id Post ID
|
|
*/
|
|
function trackback_url_list($tb_list, $post_id) {
|
|
if ( ! empty( $tb_list ) ) {
|
|
// get post data
|
|
$postdata = wp_get_single_post($post_id, ARRAY_A);
|
|
|
|
// import postdata as variables
|
|
extract($postdata, EXTR_SKIP);
|
|
|
|
// form an excerpt
|
|
$excerpt = strip_tags($post_excerpt ? $post_excerpt : $post_content);
|
|
|
|
if (strlen($excerpt) > 255) {
|
|
$excerpt = substr($excerpt,0,252) . '...';
|
|
}
|
|
|
|
$trackback_urls = explode(',', $tb_list);
|
|
foreach( (array) $trackback_urls as $tb_url) {
|
|
$tb_url = trim($tb_url);
|
|
trackback($tb_url, stripslashes($post_title), $excerpt, $post_id);
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Page functions
|
|
//
|
|
|
|
/**
|
|
* Get a list of page IDs.
|
|
*
|
|
* @since 2.0.0
|
|
* @uses $wpdb
|
|
*
|
|
* @return array List of page IDs.
|
|
*/
|
|
function get_all_page_ids() {
|
|
global $wpdb;
|
|
|
|
$page_ids = wp_cache_get('all_page_ids', 'posts');
|
|
if ( ! is_array( $page_ids ) ) {
|
|
$page_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_type = 'page'");
|
|
wp_cache_add('all_page_ids', $page_ids, 'posts');
|
|
}
|
|
|
|
return $page_ids;
|
|
}
|
|
|
|
/**
|
|
* Retrieves page data given a page ID or page object.
|
|
*
|
|
* @since 1.5.1
|
|
*
|
|
* @param mixed $page Page object or page ID. Passed by reference.
|
|
* @param string $output What to output. OBJECT, ARRAY_A, or ARRAY_N.
|
|
* @param string $filter How the return value should be filtered.
|
|
* @return mixed Page data.
|
|
*/
|
|
function &get_page(&$page, $output = OBJECT, $filter = 'raw') {
|
|
$p = get_post($page, $output, $filter);
|
|
return $p;
|
|
}
|
|
|
|
/**
|
|
* Retrieves a page given its path.
|
|
*
|
|
* @since 2.1.0
|
|
* @uses $wpdb
|
|
*
|
|
* @param string $page_path Page path
|
|
* @param string $output Optional. Output type. OBJECT, ARRAY_N, or ARRAY_A. Default OBJECT.
|
|
* @param string $post_type Optional. Post type. Default page.
|
|
* @return mixed Null when complete.
|
|
*/
|
|
function get_page_by_path($page_path, $output = OBJECT, $post_type = 'page') {
|
|
global $wpdb;
|
|
|
|
$page_path = rawurlencode(urldecode($page_path));
|
|
$page_path = str_replace('%2F', '/', $page_path);
|
|
$page_path = str_replace('%20', ' ', $page_path);
|
|
$parts = explode( '/', trim( $page_path, '/' ) );
|
|
$parts = array_map( 'esc_sql', $parts );
|
|
$parts = array_map( 'sanitize_title_for_query', $parts );
|
|
|
|
$in_string = "'". implode( "','", $parts ) . "'";
|
|
$post_type_sql = $post_type;
|
|
$wpdb->escape_by_ref( $post_type_sql );
|
|
$pages = $wpdb->get_results( "SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_name IN ($in_string) AND (post_type = '$post_type_sql' OR post_type = 'attachment')", OBJECT_K );
|
|
|
|
$revparts = array_reverse( $parts );
|
|
|
|
$foundid = 0;
|
|
foreach ( (array) $pages as $page ) {
|
|
if ( $page->post_name == $revparts[0] ) {
|
|
$count = 0;
|
|
$p = $page;
|
|
while ( $p->post_parent != 0 && isset( $pages[ $p->post_parent ] ) ) {
|
|
$count++;
|
|
$parent = $pages[ $p->post_parent ];
|
|
if ( ! isset( $revparts[ $count ] ) || $parent->post_name != $revparts[ $count ] )
|
|
break;
|
|
$p = $parent;
|
|
}
|
|
|
|
if ( $p->post_parent == 0 && $count+1 == count( $revparts ) && $p->post_name == $revparts[ $count ] ) {
|
|
$foundid = $page->ID;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( $foundid )
|
|
return get_page( $foundid, $output );
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Retrieve a page given its title.
|
|
*
|
|
* @since 2.1.0
|
|
* @uses $wpdb
|
|
*
|
|
* @param string $page_title Page title
|
|
* @param string $output Optional. Output type. OBJECT, ARRAY_N, or ARRAY_A. Default OBJECT.
|
|
* @param string $post_type Optional. Post type. Default page.
|
|
* @return mixed
|
|
*/
|
|
function get_page_by_title($page_title, $output = OBJECT, $post_type = 'page' ) {
|
|
global $wpdb;
|
|
$page = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_title = %s AND post_type= %s", $page_title, $post_type ) );
|
|
if ( $page )
|
|
return get_page($page, $output);
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Retrieve child pages from list of pages matching page ID.
|
|
*
|
|
* Matches against the pages parameter against the page ID. Also matches all
|
|
* children for the same to retrieve all children of a page. Does not make any
|
|
* SQL queries to get the children.
|
|
*
|
|
* @since 1.5.1
|
|
*
|
|
* @param int $page_id Page ID.
|
|
* @param array $pages List of pages' objects.
|
|
* @return array
|
|
*/
|
|
function &get_page_children($page_id, $pages) {
|
|
$page_list = array();
|
|
foreach ( (array) $pages as $page ) {
|
|
if ( $page->post_parent == $page_id ) {
|
|
$page_list[] = $page;
|
|
if ( $children = get_page_children($page->ID, $pages) )
|
|
$page_list = array_merge($page_list, $children);
|
|
}
|
|
}
|
|
return $page_list;
|
|
}
|
|
|
|
/**
|
|
* Order the pages with children under parents in a flat list.
|
|
*
|
|
* It uses auxiliary structure to hold parent-children relationships and
|
|
* runs in O(N) complexity
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @param array $pages Posts array.
|
|
* @param int $page_id Parent page ID.
|
|
* @return array A list arranged by hierarchy. Children immediately follow their parents.
|
|
*/
|
|
function &get_page_hierarchy( &$pages, $page_id = 0 ) {
|
|
if ( empty( $pages ) ) {
|
|
$result = array();
|
|
return $result;
|
|
}
|
|
|
|
$children = array();
|
|
foreach ( (array) $pages as $p ) {
|
|
$parent_id = intval( $p->post_parent );
|
|
$children[ $parent_id ][] = $p;
|
|
}
|
|
|
|
$result = array();
|
|
_page_traverse_name( $page_id, $children, $result );
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* function to traverse and return all the nested children post names of a root page.
|
|
* $children contains parent-children relations
|
|
*
|
|
* @since 2.9.0
|
|
*/
|
|
function _page_traverse_name( $page_id, &$children, &$result ){
|
|
if ( isset( $children[ $page_id ] ) ){
|
|
foreach( (array)$children[ $page_id ] as $child ) {
|
|
$result[ $child->ID ] = $child->post_name;
|
|
_page_traverse_name( $child->ID, $children, $result );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Builds URI for a page.
|
|
*
|
|
* Sub pages will be in the "directory" under the parent page post name.
|
|
*
|
|
* @since 1.5.0
|
|
*
|
|
* @param mixed $page Page object or page ID.
|
|
* @return string Page URI.
|
|
*/
|
|
function get_page_uri($page) {
|
|
if ( ! is_object($page) )
|
|
$page = get_page($page);
|
|
$uri = $page->post_name;
|
|
|
|
// A page cannot be it's own parent.
|
|
if ( $page->post_parent == $page->ID )
|
|
return $uri;
|
|
|
|
while ($page->post_parent != 0) {
|
|
$page = get_page($page->post_parent);
|
|
$uri = $page->post_name . "/" . $uri;
|
|
}
|
|
|
|
return $uri;
|
|
}
|
|
|
|
/**
|
|
* Retrieve a list of pages.
|
|
*
|
|
* The defaults that can be overridden are the following: 'child_of',
|
|
* 'sort_order', 'sort_column', 'post_title', 'hierarchical', 'exclude',
|
|
* 'include', 'meta_key', 'meta_value','authors', 'number', and 'offset'.
|
|
*
|
|
* @since 1.5.0
|
|
* @uses $wpdb
|
|
*
|
|
* @param mixed $args Optional. Array or string of options that overrides defaults.
|
|
* @return array List of pages matching defaults or $args
|
|
*/
|
|
function &get_pages($args = '') {
|
|
global $wpdb;
|
|
|
|
$defaults = array(
|
|
'child_of' => 0, 'sort_order' => 'ASC',
|
|
'sort_column' => 'post_title', 'hierarchical' => 1,
|
|
'exclude' => array(), 'include' => array(),
|
|
'meta_key' => '', 'meta_value' => '',
|
|
'authors' => '', 'parent' => -1, 'exclude_tree' => '',
|
|
'number' => '', 'offset' => 0,
|
|
'post_type' => 'page', 'post_status' => 'publish',
|
|
);
|
|
|
|
$r = wp_parse_args( $args, $defaults );
|
|
extract( $r, EXTR_SKIP );
|
|
$number = (int) $number;
|
|
$offset = (int) $offset;
|
|
|
|
// Make sure the post type is hierarchical
|
|
$hierarchical_post_types = get_post_types( array( 'hierarchical' => true ) );
|
|
if ( !in_array( $post_type, $hierarchical_post_types ) )
|
|
return false;
|
|
|
|
// Make sure we have a valid post status
|
|
if ( !is_array( $post_status ) )
|
|
$post_status = explode( ',', $post_status );
|
|
if ( array_diff( $post_status, get_post_stati() ) )
|
|
return false;
|
|
|
|
$cache = array();
|
|
$key = md5( serialize( compact(array_keys($defaults)) ) );
|
|
if ( $cache = wp_cache_get( 'get_pages', 'posts' ) ) {
|
|
if ( is_array($cache) && isset( $cache[ $key ] ) ) {
|
|
$pages = apply_filters('get_pages', $cache[ $key ], $r );
|
|
return $pages;
|
|
}
|
|
}
|
|
|
|
if ( !is_array($cache) )
|
|
$cache = array();
|
|
|
|
$inclusions = '';
|
|
if ( !empty($include) ) {
|
|
$child_of = 0; //ignore child_of, parent, exclude, meta_key, and meta_value params if using include
|
|
$parent = -1;
|
|
$exclude = '';
|
|
$meta_key = '';
|
|
$meta_value = '';
|
|
$hierarchical = false;
|
|
$incpages = wp_parse_id_list( $include );
|
|
if ( ! empty( $incpages ) ) {
|
|
foreach ( $incpages as $incpage ) {
|
|
if (empty($inclusions))
|
|
$inclusions = $wpdb->prepare(' AND ( ID = %d ', $incpage);
|
|
else
|
|
$inclusions .= $wpdb->prepare(' OR ID = %d ', $incpage);
|
|
}
|
|
}
|
|
}
|
|
if (!empty($inclusions))
|
|
$inclusions .= ')';
|
|
|
|
$exclusions = '';
|
|
if ( !empty($exclude) ) {
|
|
$expages = wp_parse_id_list( $exclude );
|
|
if ( ! empty( $expages ) ) {
|
|
foreach ( $expages as $expage ) {
|
|
if (empty($exclusions))
|
|
$exclusions = $wpdb->prepare(' AND ( ID <> %d ', $expage);
|
|
else
|
|
$exclusions .= $wpdb->prepare(' AND ID <> %d ', $expage);
|
|
}
|
|
}
|
|
}
|
|
if (!empty($exclusions))
|
|
$exclusions .= ')';
|
|
|
|
$author_query = '';
|
|
if (!empty($authors)) {
|
|
$post_authors = preg_split('/[\s,]+/',$authors);
|
|
|
|
if ( ! empty( $post_authors ) ) {
|
|
foreach ( $post_authors as $post_author ) {
|
|
//Do we have an author id or an author login?
|
|
if ( 0 == intval($post_author) ) {
|
|
$post_author = get_user_by('login', $post_author);
|
|
if ( empty($post_author) )
|
|
continue;
|
|
if ( empty($post_author->ID) )
|
|
continue;
|
|
$post_author = $post_author->ID;
|
|
}
|
|
|
|
if ( '' == $author_query )
|
|
$author_query = $wpdb->prepare(' post_author = %d ', $post_author);
|
|
else
|
|
$author_query .= $wpdb->prepare(' OR post_author = %d ', $post_author);
|
|
}
|
|
if ( '' != $author_query )
|
|
$author_query = " AND ($author_query)";
|
|
}
|
|
}
|
|
|
|
$join = '';
|
|
$where = "$exclusions $inclusions ";
|
|
if ( ! empty( $meta_key ) || ! empty( $meta_value ) ) {
|
|
$join = " LEFT JOIN $wpdb->postmeta ON ( $wpdb->posts.ID = $wpdb->postmeta.post_id )";
|
|
|
|
// meta_key and meta_value might be slashed
|
|
$meta_key = stripslashes($meta_key);
|
|
$meta_value = stripslashes($meta_value);
|
|
if ( ! empty( $meta_key ) )
|
|
$where .= $wpdb->prepare(" AND $wpdb->postmeta.meta_key = %s", $meta_key);
|
|
if ( ! empty( $meta_value ) )
|
|
$where .= $wpdb->prepare(" AND $wpdb->postmeta.meta_value = %s", $meta_value);
|
|
|
|
}
|
|
|
|
if ( $parent >= 0 )
|
|
$where .= $wpdb->prepare(' AND post_parent = %d ', $parent);
|
|
|
|
if ( 1 == count( $post_status ) ) {
|
|
$where_post_type = $wpdb->prepare( "post_type = %s AND post_status = %s", $post_type, array_shift( $post_status ) );
|
|
} else {
|
|
$post_status = implode( "', '", $post_status );
|
|
$where_post_type = $wpdb->prepare( "post_type = %s AND post_status IN ('$post_status')", $post_type );
|
|
}
|
|
|
|
$orderby_array = array();
|
|
$allowed_keys = array('author', 'post_author', 'date', 'post_date', 'title', 'post_title', 'name', 'post_name', 'modified',
|
|
'post_modified', 'modified_gmt', 'post_modified_gmt', 'menu_order', 'parent', 'post_parent',
|
|
'ID', 'rand', 'comment_count');
|
|
foreach ( explode( ',', $sort_column ) as $orderby ) {
|
|
$orderby = trim( $orderby );
|
|
if ( !in_array( $orderby, $allowed_keys ) )
|
|
continue;
|
|
|
|
switch ( $orderby ) {
|
|
case 'menu_order':
|
|
break;
|
|
case 'ID':
|
|
$orderby = "$wpdb->posts.ID";
|
|
break;
|
|
case 'rand':
|
|
$orderby = 'RAND()';
|
|
break;
|
|
case 'comment_count':
|
|
$orderby = "$wpdb->posts.comment_count";
|
|
break;
|
|
default:
|
|
if ( 0 === strpos( $orderby, 'post_' ) )
|
|
$orderby = "$wpdb->posts." . $orderby;
|
|
else
|
|
$orderby = "$wpdb->posts.post_" . $orderby;
|
|
}
|
|
|
|
$orderby_array[] = $orderby;
|
|
|
|
}
|
|
$sort_column = ! empty( $orderby_array ) ? implode( ',', $orderby_array ) : "$wpdb->posts.post_title";
|
|
|
|
$sort_order = strtoupper( $sort_order );
|
|
if ( '' !== $sort_order && !in_array( $sort_order, array( 'ASC', 'DESC' ) ) )
|
|
$sort_order = 'ASC';
|
|
|
|
$query = "SELECT * FROM $wpdb->posts $join WHERE ($where_post_type) $where ";
|
|
$query .= $author_query;
|
|
$query .= " ORDER BY " . $sort_column . " " . $sort_order ;
|
|
|
|
if ( !empty($number) )
|
|
$query .= ' LIMIT ' . $offset . ',' . $number;
|
|
|
|
$pages = $wpdb->get_results($query);
|
|
|
|
if ( empty($pages) ) {
|
|
$pages = apply_filters('get_pages', array(), $r);
|
|
return $pages;
|
|
}
|
|
|
|
// Sanitize before caching so it'll only get done once
|
|
$num_pages = count($pages);
|
|
for ($i = 0; $i < $num_pages; $i++) {
|
|
$pages[$i] = sanitize_post($pages[$i], 'raw');
|
|
}
|
|
|
|
// Update cache.
|
|
update_page_cache($pages);
|
|
|
|
if ( $child_of || $hierarchical )
|
|
$pages = & get_page_children($child_of, $pages);
|
|
|
|
if ( !empty($exclude_tree) ) {
|
|
$exclude = (int) $exclude_tree;
|
|
$children = get_page_children($exclude, $pages);
|
|
$excludes = array();
|
|
foreach ( $children as $child )
|
|
$excludes[] = $child->ID;
|
|
$excludes[] = $exclude;
|
|
$num_pages = count($pages);
|
|
for ( $i = 0; $i < $num_pages; $i++ ) {
|
|
if ( in_array($pages[$i]->ID, $excludes) )
|
|
unset($pages[$i]);
|
|
}
|
|
}
|
|
|
|
$cache[ $key ] = $pages;
|
|
wp_cache_set( 'get_pages', $cache, 'posts' );
|
|
|
|
$pages = apply_filters('get_pages', $pages, $r);
|
|
|
|
return $pages;
|
|
}
|
|
|
|
//
|
|
// Attachment functions
|
|
//
|
|
|
|
/**
|
|
* Check if the attachment URI is local one and is really an attachment.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @param string $url URL to check
|
|
* @return bool True on success, false on failure.
|
|
*/
|
|
function is_local_attachment($url) {
|
|
if (strpos($url, home_url()) === false)
|
|
return false;
|
|
if (strpos($url, home_url('/?attachment_id=')) !== false)
|
|
return true;
|
|
if ( $id = url_to_postid($url) ) {
|
|
$post = & get_post($id);
|
|
if ( 'attachment' == $post->post_type )
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Insert an attachment.
|
|
*
|
|
* If you set the 'ID' in the $object parameter, it will mean that you are
|
|
* updating and attempt to update the attachment. You can also set the
|
|
* attachment name or title by setting the key 'post_name' or 'post_title'.
|
|
*
|
|
* You can set the dates for the attachment manually by setting the 'post_date'
|
|
* and 'post_date_gmt' keys' values.
|
|
*
|
|
* By default, the comments will use the default settings for whether the
|
|
* comments are allowed. You can close them manually or keep them open by
|
|
* setting the value for the 'comment_status' key.
|
|
*
|
|
* The $object parameter can have the following:
|
|
* 'post_status' - Default is 'draft'. Can not be overridden, set the same as parent post.
|
|
* 'post_type' - Default is 'post', will be set to attachment. Can not override.
|
|
* 'post_author' - Default is current user ID. The ID of the user, who added the attachment.
|
|
* 'ping_status' - Default is the value in default ping status option. Whether the attachment
|
|
* can accept pings.
|
|
* 'post_parent' - Default is 0. Can use $parent parameter or set this for the post it belongs
|
|
* to, if any.
|
|
* 'menu_order' - Default is 0. The order it is displayed.
|
|
* 'to_ping' - Whether to ping.
|
|
* 'pinged' - Default is empty string.
|
|
* 'post_password' - Default is empty string. The password to access the attachment.
|
|
* 'guid' - Global Unique ID for referencing the attachment.
|
|
* 'post_content_filtered' - Attachment post content filtered.
|
|
* 'post_excerpt' - Attachment excerpt.
|
|
*
|
|
* @since 2.0.0
|
|
* @uses $wpdb
|
|
* @uses $user_ID
|
|
* @uses do_action() Calls 'edit_attachment' on $post_ID if this is an update.
|
|
* @uses do_action() Calls 'add_attachment' on $post_ID if this is not an update.
|
|
*
|
|
* @param string|array $object Arguments to override defaults.
|
|
* @param string $file Optional filename.
|
|
* @param int $parent Parent post ID.
|
|
* @return int Attachment ID.
|
|
*/
|
|
function wp_insert_attachment($object, $file = false, $parent = 0) {
|
|
global $wpdb, $user_ID;
|
|
|
|
$defaults = array('post_status' => 'inherit', 'post_type' => 'post', 'post_author' => $user_ID,
|
|
'ping_status' => get_option('default_ping_status'), 'post_parent' => 0,
|
|
'menu_order' => 0, 'to_ping' => '', 'pinged' => '', 'post_password' => '',
|
|
'guid' => '', 'post_content_filtered' => '', 'post_excerpt' => '', 'import_id' => 0, 'context' => '');
|
|
|
|
$object = wp_parse_args($object, $defaults);
|
|
if ( !empty($parent) )
|
|
$object['post_parent'] = $parent;
|
|
|
|
unset( $object[ 'filter' ] );
|
|
|
|
$object = sanitize_post($object, 'db');
|
|
|
|
// export array as variables
|
|
extract($object, EXTR_SKIP);
|
|
|
|
if ( empty($post_author) )
|
|
$post_author = $user_ID;
|
|
|
|
$post_type = 'attachment';
|
|
|
|
if ( ! in_array( $post_status, array( 'inherit', 'private' ) ) )
|
|
$post_status = 'inherit';
|
|
|
|
// Make sure we set a valid category.
|
|
if ( !isset($post_category) || 0 == count($post_category) || !is_array($post_category) ) {
|
|
// 'post' requires at least one category.
|
|
if ( 'post' == $post_type )
|
|
$post_category = array( get_option('default_category') );
|
|
else
|
|
$post_category = array();
|
|
}
|
|
|
|
// Are we updating or creating?
|
|
if ( !empty($ID) ) {
|
|
$update = true;
|
|
$post_ID = (int) $ID;
|
|
} else {
|
|
$update = false;
|
|
$post_ID = 0;
|
|
}
|
|
|
|
// Create a valid post name.
|
|
if ( empty($post_name) )
|
|
$post_name = sanitize_title($post_title);
|
|
else
|
|
$post_name = sanitize_title($post_name);
|
|
|
|
// expected_slashed ($post_name)
|
|
$post_name = wp_unique_post_slug($post_name, $post_ID, $post_status, $post_type, $post_parent);
|
|
|
|
if ( empty($post_date) )
|
|
$post_date = current_time('mysql');
|
|
if ( empty($post_date_gmt) )
|
|
$post_date_gmt = current_time('mysql', 1);
|
|
|
|
if ( empty($post_modified) )
|
|
$post_modified = $post_date;
|
|
if ( empty($post_modified_gmt) )
|
|
$post_modified_gmt = $post_date_gmt;
|
|
|
|
if ( empty($comment_status) ) {
|
|
if ( $update )
|
|
$comment_status = 'closed';
|
|
else
|
|
$comment_status = get_option('default_comment_status');
|
|
}
|
|
if ( empty($ping_status) )
|
|
$ping_status = get_option('default_ping_status');
|
|
|
|
if ( isset($to_ping) )
|
|
$to_ping = preg_replace('|\s+|', "\n", $to_ping);
|
|
else
|
|
$to_ping = '';
|
|
|
|
if ( isset($post_parent) )
|
|
$post_parent = (int) $post_parent;
|
|
else
|
|
$post_parent = 0;
|
|
|
|
if ( isset($menu_order) )
|
|
$menu_order = (int) $menu_order;
|
|
else
|
|
$menu_order = 0;
|
|
|
|
if ( !isset($post_password) )
|
|
$post_password = '';
|
|
|
|
if ( ! isset($pinged) )
|
|
$pinged = '';
|
|
|
|
// expected_slashed (everything!)
|
|
$data = compact( array( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_content_filtered', 'post_title', 'post_excerpt', 'post_status', 'post_type', 'comment_status', 'ping_status', 'post_password', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_parent', 'menu_order', 'post_mime_type', 'guid' ) );
|
|
$data = stripslashes_deep( $data );
|
|
|
|
if ( $update ) {
|
|
$wpdb->update( $wpdb->posts, $data, array( 'ID' => $post_ID ) );
|
|
} else {
|
|
// If there is a suggested ID, use it if not already present
|
|
if ( !empty($import_id) ) {
|
|
$import_id = (int) $import_id;
|
|
if ( ! $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE ID = %d", $import_id) ) ) {
|
|
$data['ID'] = $import_id;
|
|
}
|
|
}
|
|
|
|
$wpdb->insert( $wpdb->posts, $data );
|
|
$post_ID = (int) $wpdb->insert_id;
|
|
}
|
|
|
|
if ( empty($post_name) ) {
|
|
$post_name = sanitize_title($post_title, $post_ID);
|
|
$wpdb->update( $wpdb->posts, compact("post_name"), array( 'ID' => $post_ID ) );
|
|
}
|
|
|
|
wp_set_post_categories($post_ID, $post_category);
|
|
|
|
if ( $file )
|
|
update_attached_file( $post_ID, $file );
|
|
|
|
clean_post_cache($post_ID);
|
|
|
|
if ( ! empty( $context ) )
|
|
add_post_meta( $post_ID, '_wp_attachment_context', $context, true );
|
|
|
|
if ( $update) {
|
|
do_action('edit_attachment', $post_ID);
|
|
} else {
|
|
do_action('add_attachment', $post_ID);
|
|
}
|
|
|
|
return $post_ID;
|
|
}
|
|
|
|
/**
|
|
* Trashes or deletes an attachment.
|
|
*
|
|
* When an attachment is permanently deleted, the file will also be removed.
|
|
* Deletion removes all post meta fields, taxonomy, comments, etc. associated
|
|
* with the attachment (except the main post).
|
|
*
|
|
* The attachment is moved to the trash instead of permanently deleted unless trash
|
|
* for media is disabled, item is already in the trash, or $force_delete is true.
|
|
*
|
|
* @since 2.0.0
|
|
* @uses $wpdb
|
|
* @uses do_action() Calls 'delete_attachment' hook on Attachment ID.
|
|
*
|
|
* @param int $post_id Attachment ID.
|
|
* @param bool $force_delete Whether to bypass trash and force deletion. Defaults to false.
|
|
* @return mixed False on failure. Post data on success.
|
|
*/
|
|
function wp_delete_attachment( $post_id, $force_delete = false ) {
|
|
global $wpdb;
|
|
|
|
if ( !$post = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id) ) )
|
|
return $post;
|
|
|
|
if ( 'attachment' != $post->post_type )
|
|
return false;
|
|
|
|
if ( !$force_delete && EMPTY_TRASH_DAYS && MEDIA_TRASH && 'trash' != $post->post_status )
|
|
return wp_trash_post( $post_id );
|
|
|
|
delete_post_meta($post_id, '_wp_trash_meta_status');
|
|
delete_post_meta($post_id, '_wp_trash_meta_time');
|
|
|
|
$meta = wp_get_attachment_metadata( $post_id );
|
|
$backup_sizes = get_post_meta( $post->ID, '_wp_attachment_backup_sizes', true );
|
|
$file = get_attached_file( $post_id );
|
|
|
|
if ( is_multisite() )
|
|
delete_transient( 'dirsize_cache' );
|
|
|
|
do_action('delete_attachment', $post_id);
|
|
|
|
wp_delete_object_term_relationships($post_id, array('category', 'post_tag'));
|
|
wp_delete_object_term_relationships($post_id, get_object_taxonomies($post->post_type));
|
|
|
|
$wpdb->delete( $wpdb->postmeta, array( 'meta_key' => '_thumbnail_id' , 'meta_value' => $post_id ) );
|
|
|
|
$comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id ));
|
|
if ( ! empty( $comment_ids ) ) {
|
|
do_action( 'delete_comment', $comment_ids );
|
|
foreach ( $comment_ids as $comment_id )
|
|
wp_delete_comment( $comment_id, true );
|
|
do_action( 'deleted_comment', $comment_ids );
|
|
}
|
|
|
|
$post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $post_id ));
|
|
if ( !empty($post_meta_ids) ) {
|
|
do_action( 'delete_postmeta', $post_meta_ids );
|
|
$in_post_meta_ids = "'" . implode("', '", $post_meta_ids) . "'";
|
|
$wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_id IN($in_post_meta_ids)" );
|
|
do_action( 'deleted_postmeta', $post_meta_ids );
|
|
}
|
|
|
|
do_action( 'delete_post', $post_id );
|
|
$wpdb->delete( $wpdb->posts, array( 'ID' => $post_id ) );
|
|
do_action( 'deleted_post', $post_id );
|
|
|
|
$uploadpath = wp_upload_dir();
|
|
|
|
if ( ! empty($meta['thumb']) ) {
|
|
// Don't delete the thumb if another attachment uses it
|
|
if (! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $meta['thumb'] . '%', $post_id)) ) {
|
|
$thumbfile = str_replace(basename($file), $meta['thumb'], $file);
|
|
$thumbfile = apply_filters('wp_delete_file', $thumbfile);
|
|
@ unlink( path_join($uploadpath['basedir'], $thumbfile) );
|
|
}
|
|
}
|
|
|
|
// remove intermediate and backup images if there are any
|
|
foreach ( get_intermediate_image_sizes() as $size ) {
|
|
if ( $intermediate = image_get_intermediate_size($post_id, $size) ) {
|
|
$intermediate_file = apply_filters('wp_delete_file', $intermediate['path']);
|
|
@ unlink( path_join($uploadpath['basedir'], $intermediate_file) );
|
|
}
|
|
}
|
|
|
|
if ( is_array($backup_sizes) ) {
|
|
foreach ( $backup_sizes as $size ) {
|
|
$del_file = path_join( dirname($meta['file']), $size['file'] );
|
|
$del_file = apply_filters('wp_delete_file', $del_file);
|
|
@ unlink( path_join($uploadpath['basedir'], $del_file) );
|
|
}
|
|
}
|
|
|
|
$file = apply_filters('wp_delete_file', $file);
|
|
|
|
if ( ! empty($file) )
|
|
@ unlink($file);
|
|
|
|
clean_post_cache($post_id);
|
|
|
|
return $post;
|
|
}
|
|
|
|
/**
|
|
* Retrieve attachment meta field for attachment ID.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param int $post_id Attachment ID
|
|
* @param bool $unfiltered Optional, default is false. If true, filters are not run.
|
|
* @return string|bool Attachment meta field. False on failure.
|
|
*/
|
|
function wp_get_attachment_metadata( $post_id = 0, $unfiltered = false ) {
|
|
$post_id = (int) $post_id;
|
|
if ( !$post =& get_post( $post_id ) )
|
|
return false;
|
|
|
|
$data = get_post_meta( $post->ID, '_wp_attachment_metadata', true );
|
|
|
|
if ( $unfiltered )
|
|
return $data;
|
|
|
|
return apply_filters( 'wp_get_attachment_metadata', $data, $post->ID );
|
|
}
|
|
|
|
/**
|
|
* Update metadata for an attachment.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param int $post_id Attachment ID.
|
|
* @param array $data Attachment data.
|
|
* @return int
|
|
*/
|
|
function wp_update_attachment_metadata( $post_id, $data ) {
|
|
$post_id = (int) $post_id;
|
|
if ( !$post =& get_post( $post_id ) )
|
|
return false;
|
|
|
|
$data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID );
|
|
|
|
return update_post_meta( $post->ID, '_wp_attachment_metadata', $data);
|
|
}
|
|
|
|
/**
|
|
* Retrieve the URL for an attachment.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param int $post_id Attachment ID.
|
|
* @return string
|
|
*/
|
|
function wp_get_attachment_url( $post_id = 0 ) {
|
|
$post_id = (int) $post_id;
|
|
if ( !$post =& get_post( $post_id ) )
|
|
return false;
|
|
|
|
if ( 'attachment' != $post->post_type )
|
|
return false;
|
|
|
|
$url = '';
|
|
if ( $file = get_post_meta( $post->ID, '_wp_attached_file', true) ) { //Get attached file
|
|
if ( ($uploads = wp_upload_dir()) && false === $uploads['error'] ) { //Get upload directory
|
|
if ( 0 === strpos($file, $uploads['basedir']) ) //Check that the upload base exists in the file location
|
|
$url = str_replace($uploads['basedir'], $uploads['baseurl'], $file); //replace file location with url location
|
|
elseif ( false !== strpos($file, 'wp-content/uploads') )
|
|
$url = $uploads['baseurl'] . substr( $file, strpos($file, 'wp-content/uploads') + 18 );
|
|
else
|
|
$url = $uploads['baseurl'] . "/$file"; //Its a newly uploaded file, therefor $file is relative to the basedir.
|
|
}
|
|
}
|
|
|
|
if ( empty($url) ) //If any of the above options failed, Fallback on the GUID as used pre-2.7, not recommended to rely upon this.
|
|
$url = get_the_guid( $post->ID );
|
|
|
|
$url = apply_filters( 'wp_get_attachment_url', $url, $post->ID );
|
|
|
|
if ( empty( $url ) )
|
|
return false;
|
|
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Retrieve thumbnail for an attachment.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param int $post_id Attachment ID.
|
|
* @return mixed False on failure. Thumbnail file path on success.
|
|
*/
|
|
function wp_get_attachment_thumb_file( $post_id = 0 ) {
|
|
$post_id = (int) $post_id;
|
|
if ( !$post =& get_post( $post_id ) )
|
|
return false;
|
|
if ( !is_array( $imagedata = wp_get_attachment_metadata( $post->ID ) ) )
|
|
return false;
|
|
|
|
$file = get_attached_file( $post->ID );
|
|
|
|
if ( !empty($imagedata['thumb']) && ($thumbfile = str_replace(basename($file), $imagedata['thumb'], $file)) && file_exists($thumbfile) )
|
|
return apply_filters( 'wp_get_attachment_thumb_file', $thumbfile, $post->ID );
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieve URL for an attachment thumbnail.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param int $post_id Attachment ID
|
|
* @return string|bool False on failure. Thumbnail URL on success.
|
|
*/
|
|
function wp_get_attachment_thumb_url( $post_id = 0 ) {
|
|
$post_id = (int) $post_id;
|
|
if ( !$post =& get_post( $post_id ) )
|
|
return false;
|
|
if ( !$url = wp_get_attachment_url( $post->ID ) )
|
|
return false;
|
|
|
|
$sized = image_downsize( $post_id, 'thumbnail' );
|
|
if ( $sized )
|
|
return $sized[0];
|
|
|
|
if ( !$thumb = wp_get_attachment_thumb_file( $post->ID ) )
|
|
return false;
|
|
|
|
$url = str_replace(basename($url), basename($thumb), $url);
|
|
|
|
return apply_filters( 'wp_get_attachment_thumb_url', $url, $post->ID );
|
|
}
|
|
|
|
/**
|
|
* Check if the attachment is an image.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param int $post_id Attachment ID
|
|
* @return bool
|
|
*/
|
|
function wp_attachment_is_image( $post_id = 0 ) {
|
|
$post_id = (int) $post_id;
|
|
if ( !$post =& get_post( $post_id ) )
|
|
return false;
|
|
|
|
if ( !$file = get_attached_file( $post->ID ) )
|
|
return false;
|
|
|
|
$ext = preg_match('/\.([^.]+)$/', $file, $matches) ? strtolower($matches[1]) : false;
|
|
|
|
$image_exts = array('jpg', 'jpeg', 'gif', 'png');
|
|
|
|
if ( 'image/' == substr($post->post_mime_type, 0, 6) || $ext && 'import' == $post->post_mime_type && in_array($ext, $image_exts) )
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieve the icon for a MIME type.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param string|int $mime MIME type or attachment ID.
|
|
* @return string|bool
|
|
*/
|
|
function wp_mime_type_icon( $mime = 0 ) {
|
|
if ( !is_numeric($mime) )
|
|
$icon = wp_cache_get("mime_type_icon_$mime");
|
|
if ( empty($icon) ) {
|
|
$post_id = 0;
|
|
$post_mimes = array();
|
|
if ( is_numeric($mime) ) {
|
|
$mime = (int) $mime;
|
|
if ( $post =& get_post( $mime ) ) {
|
|
$post_id = (int) $post->ID;
|
|
$ext = preg_replace('/^.+?\.([^.]+)$/', '$1', $post->guid);
|
|
if ( !empty($ext) ) {
|
|
$post_mimes[] = $ext;
|
|
if ( $ext_type = wp_ext2type( $ext ) )
|
|
$post_mimes[] = $ext_type;
|
|
}
|
|
$mime = $post->post_mime_type;
|
|
} else {
|
|
$mime = 0;
|
|
}
|
|
} else {
|
|
$post_mimes[] = $mime;
|
|
}
|
|
|
|
$icon_files = wp_cache_get('icon_files');
|
|
|
|
if ( !is_array($icon_files) ) {
|
|
$icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/crystal' );
|
|
$icon_dir_uri = apply_filters( 'icon_dir_uri', includes_url('images/crystal') );
|
|
$dirs = apply_filters( 'icon_dirs', array($icon_dir => $icon_dir_uri) );
|
|
$icon_files = array();
|
|
while ( $dirs ) {
|
|
$keys = array_keys( $dirs );
|
|
$dir = array_shift( $keys );
|
|
$uri = array_shift($dirs);
|
|
if ( $dh = opendir($dir) ) {
|
|
while ( false !== $file = readdir($dh) ) {
|
|
$file = basename($file);
|
|
if ( substr($file, 0, 1) == '.' )
|
|
continue;
|
|
if ( !in_array(strtolower(substr($file, -4)), array('.png', '.gif', '.jpg') ) ) {
|
|
if ( is_dir("$dir/$file") )
|
|
$dirs["$dir/$file"] = "$uri/$file";
|
|
continue;
|
|
}
|
|
$icon_files["$dir/$file"] = "$uri/$file";
|
|
}
|
|
closedir($dh);
|
|
}
|
|
}
|
|
wp_cache_set('icon_files', $icon_files, 600);
|
|
}
|
|
|
|
// Icon basename - extension = MIME wildcard
|
|
foreach ( $icon_files as $file => $uri )
|
|
$types[ preg_replace('/^([^.]*).*$/', '$1', basename($file)) ] =& $icon_files[$file];
|
|
|
|
if ( ! empty($mime) ) {
|
|
$post_mimes[] = substr($mime, 0, strpos($mime, '/'));
|
|
$post_mimes[] = substr($mime, strpos($mime, '/') + 1);
|
|
$post_mimes[] = str_replace('/', '_', $mime);
|
|
}
|
|
|
|
$matches = wp_match_mime_types(array_keys($types), $post_mimes);
|
|
$matches['default'] = array('default');
|
|
|
|
foreach ( $matches as $match => $wilds ) {
|
|
if ( isset($types[$wilds[0]])) {
|
|
$icon = $types[$wilds[0]];
|
|
if ( !is_numeric($mime) )
|
|
wp_cache_set("mime_type_icon_$mime", $icon);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return apply_filters( 'wp_mime_type_icon', $icon, $mime, $post_id ); // Last arg is 0 if function pass mime type.
|
|
}
|
|
|
|
/**
|
|
* Checked for changed slugs for published post objects and save the old slug.
|
|
*
|
|
* The function is used when a post object of any type is updated,
|
|
* by comparing the current and previous post objects.
|
|
*
|
|
* If the slug was changed and not already part of the old slugs then it will be
|
|
* added to the post meta field ('_wp_old_slug') for storing old slugs for that
|
|
* post.
|
|
*
|
|
* The most logically usage of this function is redirecting changed post objects, so
|
|
* that those that linked to an changed post will be redirected to the new post.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param int $post_id Post ID.
|
|
* @param object $post The Post Object
|
|
* @param object $post_before The Previous Post Object
|
|
* @return int Same as $post_id
|
|
*/
|
|
function wp_check_for_changed_slugs($post_id, $post, $post_before) {
|
|
// dont bother if it hasnt changed
|
|
if ( $post->post_name == $post_before->post_name )
|
|
return;
|
|
|
|
// we're only concerned with published, non-hierarchical objects
|
|
if ( $post->post_status != 'publish' || is_post_type_hierarchical( $post->post_type ) )
|
|
return;
|
|
|
|
$old_slugs = (array) get_post_meta($post_id, '_wp_old_slug');
|
|
|
|
// if we haven't added this old slug before, add it now
|
|
if ( !empty( $post_before->post_name ) && !in_array($post_before->post_name, $old_slugs) )
|
|
add_post_meta($post_id, '_wp_old_slug', $post_before->post_name);
|
|
|
|
// if the new slug was used previously, delete it from the list
|
|
if ( in_array($post->post_name, $old_slugs) )
|
|
delete_post_meta($post_id, '_wp_old_slug', $post->post_name);
|
|
}
|
|
|
|
/**
|
|
* Retrieve the private post SQL based on capability.
|
|
*
|
|
* This function provides a standardized way to appropriately select on the
|
|
* post_status of a post type. The function will return a piece of SQL code
|
|
* that can be added to a WHERE clause; this SQL is constructed to allow all
|
|
* published posts, and all private posts to which the user has access.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @uses $user_ID
|
|
*
|
|
* @param string $post_type currently only supports 'post' or 'page'.
|
|
* @return string SQL code that can be added to a where clause.
|
|
*/
|
|
function get_private_posts_cap_sql( $post_type ) {
|
|
return get_posts_by_author_sql( $post_type, false );
|
|
}
|
|
|
|
/**
|
|
* Retrieve the post SQL based on capability, author, and type.
|
|
*
|
|
* @see get_private_posts_cap_sql() for full description.
|
|
*
|
|
* @since 3.0.0
|
|
* @param string $post_type Post type.
|
|
* @param bool $full Optional. Returns a full WHERE statement instead of just an 'andalso' term.
|
|
* @param int $post_author Optional. Query posts having a single author ID.
|
|
* @return string SQL WHERE code that can be added to a query.
|
|
*/
|
|
function get_posts_by_author_sql( $post_type, $full = true, $post_author = null ) {
|
|
global $user_ID, $wpdb;
|
|
|
|
// Private posts
|
|
$post_type_obj = get_post_type_object( $post_type );
|
|
if ( ! $post_type_obj )
|
|
return $full ? 'WHERE 1 = 0' : ' 1 = 0 ';
|
|
|
|
// This hook is deprecated. Why you'd want to use it, I dunno.
|
|
if ( ! $cap = apply_filters( 'pub_priv_sql_capability', '' ) )
|
|
$cap = $post_type_obj->cap->read_private_posts;
|
|
|
|
if ( $full ) {
|
|
if ( null === $post_author ) {
|
|
$sql = $wpdb->prepare( 'WHERE post_type = %s AND ', $post_type );
|
|
} else {
|
|
$sql = $wpdb->prepare( 'WHERE post_author = %d AND post_type = %s AND ', $post_author, $post_type );
|
|
}
|
|
} else {
|
|
$sql = '';
|
|
}
|
|
|
|
$sql .= "(post_status = 'publish'";
|
|
|
|
if ( current_user_can( $cap ) ) {
|
|
// Does the user have the capability to view private posts? Guess so.
|
|
$sql .= " OR post_status = 'private'";
|
|
} elseif ( is_user_logged_in() ) {
|
|
// Users can view their own private posts.
|
|
$id = (int) $user_ID;
|
|
if ( null === $post_author || ! $full ) {
|
|
$sql .= " OR post_status = 'private' AND post_author = $id";
|
|
} elseif ( $id == (int) $post_author ) {
|
|
$sql .= " OR post_status = 'private'";
|
|
} // else none
|
|
} // else none
|
|
|
|
$sql .= ')';
|
|
|
|
return $sql;
|
|
}
|
|
|
|
/**
|
|
* Retrieve the date that the last post was published.
|
|
*
|
|
* The server timezone is the default and is the difference between GMT and
|
|
* server time. The 'blog' value is the date when the last post was posted. The
|
|
* 'gmt' is when the last post was posted in GMT formatted date.
|
|
*
|
|
* @since 0.71
|
|
*
|
|
* @uses apply_filters() Calls 'get_lastpostdate' filter
|
|
*
|
|
* @param string $timezone The location to get the time. Can be 'gmt', 'blog', or 'server'.
|
|
* @return string The date of the last post.
|
|
*/
|
|
function get_lastpostdate($timezone = 'server') {
|
|
return apply_filters( 'get_lastpostdate', _get_last_post_time( $timezone, 'date' ), $timezone );
|
|
}
|
|
|
|
/**
|
|
* Retrieve last post modified date depending on timezone.
|
|
*
|
|
* The server timezone is the default and is the difference between GMT and
|
|
* server time. The 'blog' value is just when the last post was modified. The
|
|
* 'gmt' is when the last post was modified in GMT time.
|
|
*
|
|
* @since 1.2.0
|
|
* @uses apply_filters() Calls 'get_lastpostmodified' filter
|
|
*
|
|
* @param string $timezone The location to get the time. Can be 'gmt', 'blog', or 'server'.
|
|
* @return string The date the post was last modified.
|
|
*/
|
|
function get_lastpostmodified($timezone = 'server') {
|
|
$lastpostmodified = _get_last_post_time( $timezone, 'modified' );
|
|
|
|
$lastpostdate = get_lastpostdate($timezone);
|
|
if ( $lastpostdate > $lastpostmodified )
|
|
$lastpostmodified = $lastpostdate;
|
|
|
|
return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone );
|
|
}
|
|
|
|
/**
|
|
* Retrieve latest post date data based on timezone.
|
|
*
|
|
* @access private
|
|
* @since 3.1.0
|
|
*
|
|
* @param string $timezone The location to get the time. Can be 'gmt', 'blog', or 'server'.
|
|
* @param string $field Field to check. Can be 'date' or 'modified'.
|
|
* @return string The date.
|
|
*/
|
|
function _get_last_post_time( $timezone, $field ) {
|
|
global $wpdb;
|
|
|
|
if ( !in_array( $field, array( 'date', 'modified' ) ) )
|
|
return false;
|
|
|
|
$timezone = strtolower( $timezone );
|
|
|
|
$key = "lastpost{$field}:$timezone";
|
|
|
|
$date = wp_cache_get( $key, 'timeinfo' );
|
|
|
|
if ( !$date ) {
|
|
$add_seconds_server = date('Z');
|
|
|
|
$post_types = get_post_types( array( 'public' => true ) );
|
|
array_walk( $post_types, array( &$wpdb, 'escape_by_ref' ) );
|
|
$post_types = "'" . implode( "', '", $post_types ) . "'";
|
|
|
|
switch ( $timezone ) {
|
|
case 'gmt':
|
|
$date = $wpdb->get_var("SELECT post_{$field}_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1");
|
|
break;
|
|
case 'blog':
|
|
$date = $wpdb->get_var("SELECT post_{$field} FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1");
|
|
break;
|
|
case 'server':
|
|
$date = $wpdb->get_var("SELECT DATE_ADD(post_{$field}_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1");
|
|
break;
|
|
}
|
|
|
|
if ( $date )
|
|
wp_cache_set( $key, $date, 'timeinfo' );
|
|
}
|
|
|
|
return $date;
|
|
}
|
|
|
|
/**
|
|
* Updates posts in cache.
|
|
*
|
|
* @usedby update_page_cache() Aliased by this function.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Cache
|
|
* @since 1.5.1
|
|
*
|
|
* @param array $posts Array of post objects
|
|
*/
|
|
function update_post_cache(&$posts) {
|
|
if ( !$posts )
|
|
return;
|
|
|
|
foreach ( $posts as $post )
|
|
wp_cache_add($post->ID, $post, 'posts');
|
|
}
|
|
|
|
/**
|
|
* Will clean the post in the cache.
|
|
*
|
|
* Cleaning means delete from the cache of the post. Will call to clean the term
|
|
* object cache associated with the post ID.
|
|
*
|
|
* clean_post_cache() will call itself recursively for each child post.
|
|
*
|
|
* This function not run if $_wp_suspend_cache_invalidation is not empty. See
|
|
* wp_suspend_cache_invalidation().
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Cache
|
|
* @since 2.0.0
|
|
*
|
|
* @uses do_action() Calls 'clean_post_cache' on $id before adding children (if any).
|
|
*
|
|
* @param int $id The Post ID in the cache to clean
|
|
*/
|
|
function clean_post_cache($id) {
|
|
global $_wp_suspend_cache_invalidation, $wpdb;
|
|
|
|
if ( !empty($_wp_suspend_cache_invalidation) )
|
|
return;
|
|
|
|
$id = (int) $id;
|
|
|
|
if ( 0 === $id )
|
|
return;
|
|
|
|
$post = get_post( $id );
|
|
|
|
wp_cache_delete($id, 'posts');
|
|
wp_cache_delete($id, 'post_meta');
|
|
|
|
clean_object_term_cache( $id, $post->post_type );
|
|
|
|
wp_cache_delete( 'wp_get_archives', 'general' );
|
|
|
|
do_action('clean_post_cache', $id);
|
|
|
|
if ( $children = $wpdb->get_col( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_parent = %d", $id) ) ) {
|
|
foreach ( $children as $cid ) {
|
|
// Loop detection
|
|
if ( $cid == $id )
|
|
continue;
|
|
clean_post_cache( $cid );
|
|
}
|
|
}
|
|
|
|
if ( is_multisite() )
|
|
wp_cache_delete( $wpdb->blogid . '-' . $id, 'global-posts' );
|
|
}
|
|
|
|
/**
|
|
* Alias of update_post_cache().
|
|
*
|
|
* @see update_post_cache() Posts and pages are the same, alias is intentional
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Cache
|
|
* @since 1.5.1
|
|
*
|
|
* @param array $pages list of page objects
|
|
*/
|
|
function update_page_cache(&$pages) {
|
|
update_post_cache($pages);
|
|
}
|
|
|
|
/**
|
|
* Will clean the page in the cache.
|
|
*
|
|
* Clean (read: delete) page from cache that matches $id. Will also clean cache
|
|
* associated with 'all_page_ids' and 'get_pages'.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Cache
|
|
* @since 2.0.0
|
|
*
|
|
* @uses do_action() Will call the 'clean_page_cache' hook action.
|
|
*
|
|
* @param int $id Page ID to clean
|
|
*/
|
|
function clean_page_cache($id) {
|
|
clean_post_cache($id);
|
|
|
|
wp_cache_delete( 'all_page_ids', 'posts' );
|
|
wp_cache_delete( 'get_pages', 'posts' );
|
|
|
|
do_action('clean_page_cache', $id);
|
|
}
|
|
|
|
/**
|
|
* Call major cache updating functions for list of Post objects.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Cache
|
|
* @since 1.5.0
|
|
*
|
|
* @uses $wpdb
|
|
* @uses update_post_cache()
|
|
* @uses update_object_term_cache()
|
|
* @uses update_postmeta_cache()
|
|
*
|
|
* @param array $posts Array of Post objects
|
|
* @param string $post_type The post type of the posts in $posts. Default is 'post'.
|
|
* @param bool $update_term_cache Whether to update the term cache. Default is true.
|
|
* @param bool $update_meta_cache Whether to update the meta cache. Default is true.
|
|
*/
|
|
function update_post_caches(&$posts, $post_type = 'post', $update_term_cache = true, $update_meta_cache = true) {
|
|
// No point in doing all this work if we didn't match any posts.
|
|
if ( !$posts )
|
|
return;
|
|
|
|
update_post_cache($posts);
|
|
|
|
$post_ids = array();
|
|
foreach ( $posts as $post )
|
|
$post_ids[] = $post->ID;
|
|
|
|
if ( empty($post_type) )
|
|
$post_type = 'post';
|
|
|
|
if ( $update_term_cache ) {
|
|
if ( is_array($post_type) ) {
|
|
$ptypes = $post_type;
|
|
} elseif ( 'any' == $post_type ) {
|
|
// Just use the post_types in the supplied posts.
|
|
foreach ( $posts as $post )
|
|
$ptypes[] = $post->post_type;
|
|
$ptypes = array_unique($ptypes);
|
|
} else {
|
|
$ptypes = array($post_type);
|
|
}
|
|
|
|
if ( ! empty($ptypes) )
|
|
update_object_term_cache($post_ids, $ptypes);
|
|
}
|
|
|
|
if ( $update_meta_cache )
|
|
update_postmeta_cache($post_ids);
|
|
}
|
|
|
|
/**
|
|
* Updates metadata cache for list of post IDs.
|
|
*
|
|
* Performs SQL query to retrieve the metadata for the post IDs and updates the
|
|
* metadata cache for the posts. Therefore, the functions, which call this
|
|
* function, do not need to perform SQL queries on their own.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Cache
|
|
* @since 2.1.0
|
|
*
|
|
* @uses $wpdb
|
|
*
|
|
* @param array $post_ids List of post IDs.
|
|
* @return bool|array Returns false if there is nothing to update or an array of metadata.
|
|
*/
|
|
function update_postmeta_cache($post_ids) {
|
|
return update_meta_cache('post', $post_ids);
|
|
}
|
|
|
|
/**
|
|
* Will clean the attachment in the cache.
|
|
*
|
|
* Cleaning means delete from the cache. Optionally will clean the term
|
|
* object cache associated with the attachment ID.
|
|
*
|
|
* This function will not run if $_wp_suspend_cache_invalidation is not empty. See
|
|
* wp_suspend_cache_invalidation().
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Cache
|
|
* @since 3.0.0
|
|
*
|
|
* @uses do_action() Calls 'clean_attachment_cache' on $id.
|
|
*
|
|
* @param int $id The attachment ID in the cache to clean
|
|
* @param bool $clean_terms optional. Whether to clean terms cache
|
|
*/
|
|
function clean_attachment_cache($id, $clean_terms = false) {
|
|
global $_wp_suspend_cache_invalidation;
|
|
|
|
if ( !empty($_wp_suspend_cache_invalidation) )
|
|
return;
|
|
|
|
$id = (int) $id;
|
|
|
|
wp_cache_delete($id, 'posts');
|
|
wp_cache_delete($id, 'post_meta');
|
|
|
|
if ( $clean_terms )
|
|
clean_object_term_cache($id, 'attachment');
|
|
|
|
do_action('clean_attachment_cache', $id);
|
|
}
|
|
|
|
//
|
|
// Hooks
|
|
//
|
|
|
|
/**
|
|
* Hook for managing future post transitions to published.
|
|
*
|
|
* @since 2.3.0
|
|
* @access private
|
|
* @uses $wpdb
|
|
* @uses do_action() Calls 'private_to_published' on post ID if this is a 'private_to_published' call.
|
|
* @uses wp_clear_scheduled_hook() with 'publish_future_post' and post ID.
|
|
*
|
|
* @param string $new_status New post status
|
|
* @param string $old_status Previous post status
|
|
* @param object $post Object type containing the post information
|
|
*/
|
|
function _transition_post_status($new_status, $old_status, $post) {
|
|
global $wpdb;
|
|
|
|
if ( $old_status != 'publish' && $new_status == 'publish' ) {
|
|
// Reset GUID if transitioning to publish and it is empty
|
|
if ( '' == get_the_guid($post->ID) )
|
|
$wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post->ID ) ), array( 'ID' => $post->ID ) );
|
|
do_action('private_to_published', $post->ID); // Deprecated, use private_to_publish
|
|
}
|
|
|
|
// If published posts changed clear the lastpostmodified cache
|
|
if ( 'publish' == $new_status || 'publish' == $old_status) {
|
|
foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) {
|
|
wp_cache_delete( "lastpostmodified:$timezone", 'timeinfo' );
|
|
wp_cache_delete( "lastpostdate:$timezone", 'timeinfo' );
|
|
}
|
|
}
|
|
|
|
// Always clears the hook in case the post status bounced from future to draft.
|
|
wp_clear_scheduled_hook('publish_future_post', array( $post->ID ) );
|
|
}
|
|
|
|
/**
|
|
* Hook used to schedule publication for a post marked for the future.
|
|
*
|
|
* The $post properties used and must exist are 'ID' and 'post_date_gmt'.
|
|
*
|
|
* @since 2.3.0
|
|
* @access private
|
|
*
|
|
* @param int $deprecated Not used. Can be set to null. Never implemented.
|
|
* Not marked as deprecated with _deprecated_argument() as it conflicts with
|
|
* wp_transition_post_status() and the default filter for _future_post_hook().
|
|
* @param object $post Object type containing the post information
|
|
*/
|
|
function _future_post_hook( $deprecated = '', $post ) {
|
|
wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) );
|
|
wp_schedule_single_event( strtotime( get_gmt_from_date( $post->post_date ) . ' GMT') , 'publish_future_post', array( $post->ID ) );
|
|
}
|
|
|
|
/**
|
|
* Hook to schedule pings and enclosures when a post is published.
|
|
*
|
|
* @since 2.3.0
|
|
* @access private
|
|
* @uses $wpdb
|
|
* @uses XMLRPC_REQUEST and APP_REQUEST constants.
|
|
* @uses do_action() Calls 'xmlprc_publish_post' on post ID if XMLRPC_REQUEST is defined.
|
|
* @uses do_action() Calls 'app_publish_post' on post ID if APP_REQUEST is defined.
|
|
*
|
|
* @param int $post_id The ID in the database table of the post being published
|
|
*/
|
|
function _publish_post_hook($post_id) {
|
|
global $wpdb;
|
|
|
|
if ( defined('XMLRPC_REQUEST') )
|
|
do_action('xmlrpc_publish_post', $post_id);
|
|
if ( defined('APP_REQUEST') )
|
|
do_action('app_publish_post', $post_id);
|
|
|
|
if ( defined('WP_IMPORTING') )
|
|
return;
|
|
|
|
$data = array( 'post_id' => $post_id, 'meta_value' => '1' );
|
|
if ( get_option('default_pingback_flag') ) {
|
|
$wpdb->insert( $wpdb->postmeta, $data + array( 'meta_key' => '_pingme' ) );
|
|
do_action( 'added_postmeta', $wpdb->insert_id, $post_id, '_pingme', 1 );
|
|
}
|
|
$wpdb->insert( $wpdb->postmeta, $data + array( 'meta_key' => '_encloseme' ) );
|
|
do_action( 'added_postmeta', $wpdb->insert_id, $post_id, '_encloseme', 1 );
|
|
|
|
wp_schedule_single_event(time(), 'do_pings');
|
|
}
|
|
|
|
/**
|
|
* Hook used to prevent page/post cache from staying dirty when a post is saved.
|
|
*
|
|
* @since 2.3.0
|
|
* @access private
|
|
*
|
|
* @param int $post_id The ID in the database table for the $post
|
|
* @param object $post Object type containing the post information
|
|
*/
|
|
function _save_post_hook($post_id, $post) {
|
|
if ( $post->post_type == 'page' ) {
|
|
clean_page_cache($post_id);
|
|
} else {
|
|
clean_post_cache($post_id);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieve post ancestors and append to post ancestors property.
|
|
*
|
|
* Will only retrieve ancestors once, if property is already set, then nothing
|
|
* will be done. If there is not a parent post, or post ID and post parent ID
|
|
* are the same then nothing will be done.
|
|
*
|
|
* The parameter is passed by reference, so nothing needs to be returned. The
|
|
* property will be updated and can be referenced after the function is
|
|
* complete. The post parent will be an ancestor and the parent of the post
|
|
* parent will be an ancestor. There will only be two ancestors at the most.
|
|
*
|
|
* @since 2.5.0
|
|
* @access private
|
|
* @uses $wpdb
|
|
*
|
|
* @param object $_post Post data.
|
|
* @return null When nothing needs to be done.
|
|
*/
|
|
function _get_post_ancestors(&$_post) {
|
|
global $wpdb;
|
|
|
|
if ( isset($_post->ancestors) )
|
|
return;
|
|
|
|
$_post->ancestors = array();
|
|
|
|
if ( empty($_post->post_parent) || $_post->ID == $_post->post_parent )
|
|
return;
|
|
|
|
$id = $_post->ancestors[] = (int) $_post->post_parent;
|
|
while ( $ancestor = $wpdb->get_var( $wpdb->prepare("SELECT `post_parent` FROM $wpdb->posts WHERE ID = %d LIMIT 1", $id) ) ) {
|
|
// Loop detection: If the ancestor has been seen before, break.
|
|
if ( ( $ancestor == $_post->ID ) || in_array($ancestor, $_post->ancestors) )
|
|
break;
|
|
$id = $_post->ancestors[] = (int) $ancestor;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Determines which fields of posts are to be saved in revisions.
|
|
*
|
|
* Does two things. If passed a post *array*, it will return a post array ready
|
|
* to be inserted into the posts table as a post revision. Otherwise, returns
|
|
* an array whose keys are the post fields to be saved for post revisions.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post_Revisions
|
|
* @since 2.6.0
|
|
* @access private
|
|
* @uses apply_filters() Calls '_wp_post_revision_fields' on 'title', 'content' and 'excerpt' fields.
|
|
*
|
|
* @param array $post Optional a post array to be processed for insertion as a post revision.
|
|
* @param bool $autosave optional Is the revision an autosave?
|
|
* @return array Post array ready to be inserted as a post revision or array of fields that can be versioned.
|
|
*/
|
|
function _wp_post_revision_fields( $post = null, $autosave = false ) {
|
|
static $fields = false;
|
|
|
|
if ( !$fields ) {
|
|
// Allow these to be versioned
|
|
$fields = array(
|
|
'post_title' => __( 'Title' ),
|
|
'post_content' => __( 'Content' ),
|
|
'post_excerpt' => __( 'Excerpt' ),
|
|
);
|
|
|
|
// Runs only once
|
|
$fields = apply_filters( '_wp_post_revision_fields', $fields );
|
|
|
|
// WP uses these internally either in versioning or elsewhere - they cannot be versioned
|
|
foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect )
|
|
unset( $fields[$protect] );
|
|
}
|
|
|
|
if ( !is_array($post) )
|
|
return $fields;
|
|
|
|
$return = array();
|
|
foreach ( array_intersect( array_keys( $post ), array_keys( $fields ) ) as $field )
|
|
$return[$field] = $post[$field];
|
|
|
|
$return['post_parent'] = $post['ID'];
|
|
$return['post_status'] = 'inherit';
|
|
$return['post_type'] = 'revision';
|
|
$return['post_name'] = $autosave ? "$post[ID]-autosave" : "$post[ID]-revision";
|
|
$return['post_date'] = isset($post['post_modified']) ? $post['post_modified'] : '';
|
|
$return['post_date_gmt'] = isset($post['post_modified_gmt']) ? $post['post_modified_gmt'] : '';
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Saves an already existing post as a post revision.
|
|
*
|
|
* Typically used immediately prior to post updates.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post_Revisions
|
|
* @since 2.6.0
|
|
*
|
|
* @uses _wp_put_post_revision()
|
|
*
|
|
* @param int $post_id The ID of the post to save as a revision.
|
|
* @return mixed Null or 0 if error, new revision ID, if success.
|
|
*/
|
|
function wp_save_post_revision( $post_id ) {
|
|
// We do autosaves manually with wp_create_post_autosave()
|
|
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
|
|
return;
|
|
|
|
// WP_POST_REVISIONS = 0, false
|
|
if ( ! WP_POST_REVISIONS )
|
|
return;
|
|
|
|
if ( !$post = get_post( $post_id, ARRAY_A ) )
|
|
return;
|
|
|
|
if ( !post_type_supports($post['post_type'], 'revisions') )
|
|
return;
|
|
|
|
$return = _wp_put_post_revision( $post );
|
|
|
|
// WP_POST_REVISIONS = true (default), -1
|
|
if ( !is_numeric( WP_POST_REVISIONS ) || WP_POST_REVISIONS < 0 )
|
|
return $return;
|
|
|
|
// all revisions and (possibly) one autosave
|
|
$revisions = wp_get_post_revisions( $post_id, array( 'order' => 'ASC' ) );
|
|
|
|
// WP_POST_REVISIONS = (int) (# of autosaves to save)
|
|
$delete = count($revisions) - WP_POST_REVISIONS;
|
|
|
|
if ( $delete < 1 )
|
|
return $return;
|
|
|
|
$revisions = array_slice( $revisions, 0, $delete );
|
|
|
|
for ( $i = 0; isset($revisions[$i]); $i++ ) {
|
|
if ( false !== strpos( $revisions[$i]->post_name, 'autosave' ) )
|
|
continue;
|
|
wp_delete_post_revision( $revisions[$i]->ID );
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Retrieve the autosaved data of the specified post.
|
|
*
|
|
* Returns a post object containing the information that was autosaved for the
|
|
* specified post.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post_Revisions
|
|
* @since 2.6.0
|
|
*
|
|
* @param int $post_id The post ID.
|
|
* @return object|bool The autosaved data or false on failure or when no autosave exists.
|
|
*/
|
|
function wp_get_post_autosave( $post_id ) {
|
|
|
|
if ( !$post = get_post( $post_id ) )
|
|
return false;
|
|
|
|
$q = array(
|
|
'name' => "{$post->ID}-autosave",
|
|
'post_parent' => $post->ID,
|
|
'post_type' => 'revision',
|
|
'post_status' => 'inherit'
|
|
);
|
|
|
|
// Use WP_Query so that the result gets cached
|
|
$autosave_query = new WP_Query;
|
|
|
|
add_action( 'parse_query', '_wp_get_post_autosave_hack' );
|
|
$autosave = $autosave_query->query( $q );
|
|
remove_action( 'parse_query', '_wp_get_post_autosave_hack' );
|
|
|
|
if ( $autosave && is_array($autosave) && is_object($autosave[0]) )
|
|
return $autosave[0];
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Internally used to hack WP_Query into submission.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post_Revisions
|
|
* @since 2.6.0
|
|
*
|
|
* @param object $query WP_Query object
|
|
*/
|
|
function _wp_get_post_autosave_hack( $query ) {
|
|
$query->is_single = false;
|
|
}
|
|
|
|
/**
|
|
* Determines if the specified post is a revision.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post_Revisions
|
|
* @since 2.6.0
|
|
*
|
|
* @param int|object $post Post ID or post object.
|
|
* @return bool|int False if not a revision, ID of revision's parent otherwise.
|
|
*/
|
|
function wp_is_post_revision( $post ) {
|
|
if ( !$post = wp_get_post_revision( $post ) )
|
|
return false;
|
|
return (int) $post->post_parent;
|
|
}
|
|
|
|
/**
|
|
* Determines if the specified post is an autosave.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post_Revisions
|
|
* @since 2.6.0
|
|
*
|
|
* @param int|object $post Post ID or post object.
|
|
* @return bool|int False if not a revision, ID of autosave's parent otherwise
|
|
*/
|
|
function wp_is_post_autosave( $post ) {
|
|
if ( !$post = wp_get_post_revision( $post ) )
|
|
return false;
|
|
if ( "{$post->post_parent}-autosave" !== $post->post_name )
|
|
return false;
|
|
return (int) $post->post_parent;
|
|
}
|
|
|
|
/**
|
|
* Inserts post data into the posts table as a post revision.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post_Revisions
|
|
* @since 2.6.0
|
|
*
|
|
* @uses wp_insert_post()
|
|
*
|
|
* @param int|object|array $post Post ID, post object OR post array.
|
|
* @param bool $autosave Optional. Is the revision an autosave?
|
|
* @return mixed Null or 0 if error, new revision ID if success.
|
|
*/
|
|
function _wp_put_post_revision( $post = null, $autosave = false ) {
|
|
if ( is_object($post) )
|
|
$post = get_object_vars( $post );
|
|
elseif ( !is_array($post) )
|
|
$post = get_post($post, ARRAY_A);
|
|
if ( !$post || empty($post['ID']) )
|
|
return;
|
|
|
|
if ( isset($post['post_type']) && 'revision' == $post['post_type'] )
|
|
return new WP_Error( 'post_type', __( 'Cannot create a revision of a revision' ) );
|
|
|
|
$post = _wp_post_revision_fields( $post, $autosave );
|
|
$post = add_magic_quotes($post); //since data is from db
|
|
|
|
$revision_id = wp_insert_post( $post );
|
|
if ( is_wp_error($revision_id) )
|
|
return $revision_id;
|
|
|
|
if ( $revision_id )
|
|
do_action( '_wp_put_post_revision', $revision_id );
|
|
return $revision_id;
|
|
}
|
|
|
|
/**
|
|
* Gets a post revision.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post_Revisions
|
|
* @since 2.6.0
|
|
*
|
|
* @uses get_post()
|
|
*
|
|
* @param int|object $post Post ID or post object
|
|
* @param string $output Optional. OBJECT, ARRAY_A, or ARRAY_N.
|
|
* @param string $filter Optional sanitation filter. @see sanitize_post()
|
|
* @return mixed Null if error or post object if success
|
|
*/
|
|
function &wp_get_post_revision(&$post, $output = OBJECT, $filter = 'raw') {
|
|
$null = null;
|
|
if ( !$revision = get_post( $post, OBJECT, $filter ) )
|
|
return $revision;
|
|
if ( 'revision' !== $revision->post_type )
|
|
return $null;
|
|
|
|
if ( $output == OBJECT ) {
|
|
return $revision;
|
|
} elseif ( $output == ARRAY_A ) {
|
|
$_revision = get_object_vars($revision);
|
|
return $_revision;
|
|
} elseif ( $output == ARRAY_N ) {
|
|
$_revision = array_values(get_object_vars($revision));
|
|
return $_revision;
|
|
}
|
|
|
|
return $revision;
|
|
}
|
|
|
|
/**
|
|
* Restores a post to the specified revision.
|
|
*
|
|
* Can restore a past revision using all fields of the post revision, or only selected fields.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post_Revisions
|
|
* @since 2.6.0
|
|
*
|
|
* @uses wp_get_post_revision()
|
|
* @uses wp_update_post()
|
|
* @uses do_action() Calls 'wp_restore_post_revision' on post ID and revision ID if wp_update_post()
|
|
* is successful.
|
|
*
|
|
* @param int|object $revision_id Revision ID or revision object.
|
|
* @param array $fields Optional. What fields to restore from. Defaults to all.
|
|
* @return mixed Null if error, false if no fields to restore, (int) post ID if success.
|
|
*/
|
|
function wp_restore_post_revision( $revision_id, $fields = null ) {
|
|
if ( !$revision = wp_get_post_revision( $revision_id, ARRAY_A ) )
|
|
return $revision;
|
|
|
|
if ( !is_array( $fields ) )
|
|
$fields = array_keys( _wp_post_revision_fields() );
|
|
|
|
$update = array();
|
|
foreach( array_intersect( array_keys( $revision ), $fields ) as $field )
|
|
$update[$field] = $revision[$field];
|
|
|
|
if ( !$update )
|
|
return false;
|
|
|
|
$update['ID'] = $revision['post_parent'];
|
|
|
|
$update = add_magic_quotes( $update ); //since data is from db
|
|
|
|
$post_id = wp_update_post( $update );
|
|
if ( is_wp_error( $post_id ) )
|
|
return $post_id;
|
|
|
|
if ( $post_id )
|
|
do_action( 'wp_restore_post_revision', $post_id, $revision['ID'] );
|
|
|
|
return $post_id;
|
|
}
|
|
|
|
/**
|
|
* Deletes a revision.
|
|
*
|
|
* Deletes the row from the posts table corresponding to the specified revision.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post_Revisions
|
|
* @since 2.6.0
|
|
*
|
|
* @uses wp_get_post_revision()
|
|
* @uses wp_delete_post()
|
|
*
|
|
* @param int|object $revision_id Revision ID or revision object.
|
|
* @return mixed Null or WP_Error if error, deleted post if success.
|
|
*/
|
|
function wp_delete_post_revision( $revision_id ) {
|
|
if ( !$revision = wp_get_post_revision( $revision_id ) )
|
|
return $revision;
|
|
|
|
$delete = wp_delete_post( $revision->ID );
|
|
if ( is_wp_error( $delete ) )
|
|
return $delete;
|
|
|
|
if ( $delete )
|
|
do_action( 'wp_delete_post_revision', $revision->ID, $revision );
|
|
|
|
return $delete;
|
|
}
|
|
|
|
/**
|
|
* Returns all revisions of specified post.
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Post_Revisions
|
|
* @since 2.6.0
|
|
*
|
|
* @uses get_children()
|
|
*
|
|
* @param int|object $post_id Post ID or post object
|
|
* @return array empty if no revisions
|
|
*/
|
|
function wp_get_post_revisions( $post_id = 0, $args = null ) {
|
|
if ( ! WP_POST_REVISIONS )
|
|
return array();
|
|
if ( ( !$post = get_post( $post_id ) ) || empty( $post->ID ) )
|
|
return array();
|
|
|
|
$defaults = array( 'order' => 'DESC', 'orderby' => 'date' );
|
|
$args = wp_parse_args( $args, $defaults );
|
|
$args = array_merge( $args, array( 'post_parent' => $post->ID, 'post_type' => 'revision', 'post_status' => 'inherit' ) );
|
|
|
|
if ( !$revisions = get_children( $args ) )
|
|
return array();
|
|
return $revisions;
|
|
}
|
|
|
|
function _set_preview($post) {
|
|
|
|
if ( ! is_object($post) )
|
|
return $post;
|
|
|
|
$preview = wp_get_post_autosave($post->ID);
|
|
|
|
if ( ! is_object($preview) )
|
|
return $post;
|
|
|
|
$preview = sanitize_post($preview);
|
|
|
|
$post->post_content = $preview->post_content;
|
|
$post->post_title = $preview->post_title;
|
|
$post->post_excerpt = $preview->post_excerpt;
|
|
|
|
return $post;
|
|
}
|
|
|
|
function _show_post_preview() {
|
|
|
|
if ( isset($_GET['preview_id']) && isset($_GET['preview_nonce']) ) {
|
|
$id = (int) $_GET['preview_id'];
|
|
|
|
if ( false == wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) )
|
|
wp_die( __('You do not have permission to preview drafts.') );
|
|
|
|
add_filter('the_preview', '_set_preview');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the post's parent's post_ID
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param int $post_id
|
|
*
|
|
* @return int|bool false on error
|
|
*/
|
|
function wp_get_post_parent_id( $post_ID ) {
|
|
$post = get_post( $post_ID );
|
|
if ( !$post || is_wp_error( $post ) )
|
|
return false;
|
|
return (int) $post->post_parent;
|
|
}
|
|
|
|
/**
|
|
* Checks the given subset of the post hierarchy for hierarchy loops.
|
|
* Prevents loops from forming and breaks those that it finds.
|
|
*
|
|
* Attached to the wp_insert_post_parent filter.
|
|
*
|
|
* @since 3.1.0
|
|
* @uses wp_find_hierarchy_loop()
|
|
*
|
|
* @param int $post_parent ID of the parent for the post we're checking.
|
|
* @param int $post_ID ID of the post we're checking.
|
|
*
|
|
* @return int The new post_parent for the post.
|
|
*/
|
|
function wp_check_post_hierarchy_for_loops( $post_parent, $post_ID ) {
|
|
// Nothing fancy here - bail
|
|
if ( !$post_parent )
|
|
return 0;
|
|
|
|
// New post can't cause a loop
|
|
if ( empty( $post_ID ) )
|
|
return $post_parent;
|
|
|
|
// Can't be its own parent
|
|
if ( $post_parent == $post_ID )
|
|
return 0;
|
|
|
|
// Now look for larger loops
|
|
|
|
if ( !$loop = wp_find_hierarchy_loop( 'wp_get_post_parent_id', $post_ID, $post_parent ) )
|
|
return $post_parent; // No loop
|
|
|
|
// Setting $post_parent to the given value causes a loop
|
|
if ( isset( $loop[$post_ID] ) )
|
|
return 0;
|
|
|
|
// There's a loop, but it doesn't contain $post_ID. Break the loop.
|
|
foreach ( array_keys( $loop ) as $loop_member )
|
|
wp_update_post( array( 'ID' => $loop_member, 'post_parent' => 0 ) );
|
|
|
|
return $post_parent;
|
|
}
|
|
|
|
/**
|
|
* Returns an array of post format slugs to their translated and pretty display versions
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @return array The array of translations
|
|
*/
|
|
function get_post_format_strings() {
|
|
$strings = array(
|
|
'standard' => _x( 'Standard', 'Post format' ), // Special case. any value that evals to false will be considered standard
|
|
'aside' => _x( 'Aside', 'Post format' ),
|
|
'chat' => _x( 'Chat', 'Post format' ),
|
|
'gallery' => _x( 'Gallery', 'Post format' ),
|
|
'link' => _x( 'Link', 'Post format' ),
|
|
'image' => _x( 'Image', 'Post format' ),
|
|
'quote' => _x( 'Quote', 'Post format' ),
|
|
'status' => _x( 'Status', 'Post format' ),
|
|
'video' => _x( 'Video', 'Post format' ),
|
|
'audio' => _x( 'Audio', 'Post format' ),
|
|
);
|
|
return $strings;
|
|
}
|
|
|
|
/**
|
|
* Retrieves an array of post format slugs.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @return array The array of post format slugs.
|
|
*/
|
|
function get_post_format_slugs() {
|
|
$slugs = array_keys( get_post_format_strings() );
|
|
return array_combine( $slugs, $slugs );
|
|
}
|
|
|
|
/**
|
|
* Returns a pretty, translated version of a post format slug
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param string $slug A post format slug
|
|
* @return string The translated post format name
|
|
*/
|
|
function get_post_format_string( $slug ) {
|
|
$strings = get_post_format_strings();
|
|
if ( !$slug )
|
|
return $strings['standard'];
|
|
else
|
|
return ( isset( $strings[$slug] ) ) ? $strings[$slug] : '';
|
|
}
|
|
|
|
/**
|
|
* Sets a post thumbnail.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param int|object $post Post ID or object where thumbnail should be attached.
|
|
* @param int $thumbnail_id Thumbnail to attach.
|
|
* @return bool True on success, false on failure.
|
|
*/
|
|
function set_post_thumbnail( $post, $thumbnail_id ) {
|
|
$post = get_post( $post );
|
|
$thumbnail_id = absint( $thumbnail_id );
|
|
if ( $post && $thumbnail_id && get_post( $thumbnail_id ) ) {
|
|
$thumbnail_html = wp_get_attachment_image( $thumbnail_id, 'thumbnail' );
|
|
if ( ! empty( $thumbnail_html ) ) {
|
|
return update_post_meta( $post->ID, '_thumbnail_id', $thumbnail_id );
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Removes a post thumbnail.
|
|
*
|
|
* @since 3.3.0
|
|
*
|
|
* @param int|object $post Post ID or object where thumbnail should be removed from.
|
|
* @return bool True on success, false on failure.
|
|
*/
|
|
function delete_post_thumbnail( $post ) {
|
|
$post = get_post( $post );
|
|
if ( $post )
|
|
return delete_post_meta( $post->ID, '_thumbnail_id' );
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns a link to a post format index.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param string $format Post format
|
|
* @return string Link
|
|
*/
|
|
function get_post_format_link( $format ) {
|
|
$term = get_term_by('slug', 'post-format-' . $format, 'post_format' );
|
|
if ( ! $term || is_wp_error( $term ) )
|
|
return false;
|
|
return get_term_link( $term );
|
|
}
|
|
|
|
/**
|
|
* Filters the request to allow for the format prefix.
|
|
*
|
|
* @access private
|
|
* @since 3.1.0
|
|
*/
|
|
function _post_format_request( $qvs ) {
|
|
if ( ! isset( $qvs['post_format'] ) )
|
|
return $qvs;
|
|
$slugs = get_post_format_slugs();
|
|
if ( isset( $slugs[ $qvs['post_format'] ] ) )
|
|
$qvs['post_format'] = 'post-format-' . $slugs[ $qvs['post_format'] ];
|
|
$tax = get_taxonomy( 'post_format' );
|
|
if ( ! is_admin() )
|
|
$qvs['post_type'] = $tax->object_type;
|
|
return $qvs;
|
|
}
|
|
add_filter( 'request', '_post_format_request' );
|
|
|
|
/**
|
|
* Filters the post format term link to remove the format prefix.
|
|
*
|
|
* @access private
|
|
* @since 3.1.0
|
|
*/
|
|
function _post_format_link( $link, $term, $taxonomy ) {
|
|
global $wp_rewrite;
|
|
if ( 'post_format' != $taxonomy )
|
|
return $link;
|
|
if ( $wp_rewrite->get_extra_permastruct( $taxonomy ) ) {
|
|
return str_replace( "/{$term->slug}", '/' . str_replace( 'post-format-', '', $term->slug ), $link );
|
|
} else {
|
|
$link = remove_query_arg( 'post_format', $link );
|
|
return add_query_arg( 'post_format', str_replace( 'post-format-', '', $term->slug ), $link );
|
|
}
|
|
}
|
|
add_filter( 'term_link', '_post_format_link', 10, 3 );
|
|
|
|
/**
|
|
* Remove the post format prefix from the name property of the term object created by get_term().
|
|
*
|
|
* @access private
|
|
* @since 3.1.0
|
|
*/
|
|
function _post_format_get_term( $term ) {
|
|
if ( isset( $term->slug ) ) {
|
|
$term->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
|
|
}
|
|
return $term;
|
|
}
|
|
add_filter( 'get_post_format', '_post_format_get_term' );
|
|
|
|
/**
|
|
* Remove the post format prefix from the name property of the term objects created by get_terms().
|
|
*
|
|
* @access private
|
|
* @since 3.1.0
|
|
*/
|
|
function _post_format_get_terms( $terms, $taxonomies, $args ) {
|
|
if ( in_array( 'post_format', (array) $taxonomies ) ) {
|
|
if ( isset( $args['fields'] ) && 'names' == $args['fields'] ) {
|
|
foreach( $terms as $order => $name ) {
|
|
$terms[$order] = get_post_format_string( str_replace( 'post-format-', '', $name ) );
|
|
}
|
|
} else {
|
|
foreach ( (array) $terms as $order => $term ) {
|
|
if ( isset( $term->taxonomy ) && 'post_format' == $term->taxonomy ) {
|
|
$terms[$order]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $terms;
|
|
}
|
|
add_filter( 'get_terms', '_post_format_get_terms', 10, 3 );
|
|
|
|
/**
|
|
* Remove the post format prefix from the name property of the term objects created by wp_get_object_terms().
|
|
*
|
|
* @access private
|
|
* @since 3.1.0
|
|
*/
|
|
function _post_format_wp_get_object_terms( $terms ) {
|
|
foreach ( (array) $terms as $order => $term ) {
|
|
if ( isset( $term->taxonomy ) && 'post_format' == $term->taxonomy ) {
|
|
$terms[$order]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
|
|
}
|
|
}
|
|
return $terms;
|
|
}
|
|
add_filter( 'wp_get_object_terms', '_post_format_wp_get_object_terms' );
|
|
|
|
/**
|
|
* Update the custom taxonomies' term counts when a post's status is changed. For example, default posts term counts (for custom taxonomies) don't include private / draft posts.
|
|
*
|
|
* @access private
|
|
* @param string $new_status
|
|
* @param string $old_status
|
|
* @param object $post
|
|
* @since 3.3.0
|
|
*/
|
|
function _update_term_count_on_transition_post_status( $new_status, $old_status, $post ) {
|
|
// Update counts for the post's terms.
|
|
foreach ( (array) get_object_taxonomies( $post->post_type ) as $taxonomy ) {
|
|
$tt_ids = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'tt_ids' ) );
|
|
wp_update_term_count( $tt_ids, $taxonomy );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds any posts from the given ids to the cache that do not already exist in cache
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @access private
|
|
*
|
|
* @param array $post_ids ID list
|
|
* @param bool $update_term_cache Whether to update the term cache. Default is true.
|
|
* @param bool $update_meta_cache Whether to update the meta cache. Default is true.
|
|
*/
|
|
function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache = true ) {
|
|
global $wpdb;
|
|
|
|
$non_cached_ids = _get_non_cached_ids( $ids, 'posts' );
|
|
if ( !empty( $non_cached_ids ) ) {
|
|
$fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s)", join( ",", $non_cached_ids ) ) );
|
|
|
|
update_post_caches( $fresh_posts, 'any', $update_term_cache, $update_meta_cache );
|
|
}
|
|
} |