4681 lines
155 KiB
PHP
4681 lines
155 KiB
PHP
<?php
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/**
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* Core Taxonomy API
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*
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* @package WordPress
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* @subpackage Taxonomy
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*/
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//
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// Taxonomy registration.
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//
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/**
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* Creates the initial taxonomies.
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*
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* This function fires twice: in wp-settings.php before plugins are loaded (for
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* backward compatibility reasons), and again on the {@see 'init'} action. We must
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* avoid registering rewrite rules before the {@see 'init'} action.
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*
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* @since 2.8.0
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*
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* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
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*/
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function create_initial_taxonomies() {
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global $wp_rewrite;
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if ( ! did_action( 'init' ) ) {
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$rewrite = array(
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'category' => false,
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'post_tag' => false,
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'post_format' => false,
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);
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} else {
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/**
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* Filters the post formats rewrite base.
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*
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* @since 3.1.0
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*
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* @param string $context Context of the rewrite base. Default 'type'.
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*/
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$post_format_base = apply_filters( 'post_format_rewrite_base', 'type' );
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$rewrite = array(
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'category' => array(
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'hierarchical' => true,
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'slug' => get_option( 'category_base' ) ? get_option( 'category_base' ) : 'category',
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'with_front' => ! get_option( 'category_base' ) || $wp_rewrite->using_index_permalinks(),
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'ep_mask' => EP_CATEGORIES,
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),
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'post_tag' => array(
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'hierarchical' => false,
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'slug' => get_option( 'tag_base' ) ? get_option( 'tag_base' ) : 'tag',
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'with_front' => ! get_option( 'tag_base' ) || $wp_rewrite->using_index_permalinks(),
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'ep_mask' => EP_TAGS,
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),
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'post_format' => $post_format_base ? array( 'slug' => $post_format_base ) : false,
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);
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}
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register_taxonomy(
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'category',
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'post',
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array(
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'hierarchical' => true,
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'query_var' => 'category_name',
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'rewrite' => $rewrite['category'],
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'public' => true,
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'show_ui' => true,
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'show_admin_column' => true,
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'_builtin' => true,
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'capabilities' => array(
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'manage_terms' => 'manage_categories',
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'edit_terms' => 'edit_categories',
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'delete_terms' => 'delete_categories',
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'assign_terms' => 'assign_categories',
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),
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'show_in_rest' => true,
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'rest_base' => 'categories',
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'rest_controller_class' => 'WP_REST_Terms_Controller',
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)
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);
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register_taxonomy(
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'post_tag',
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'post',
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array(
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'hierarchical' => false,
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'query_var' => 'tag',
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'rewrite' => $rewrite['post_tag'],
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'public' => true,
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'show_ui' => true,
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'show_admin_column' => true,
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'_builtin' => true,
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'capabilities' => array(
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'manage_terms' => 'manage_post_tags',
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'edit_terms' => 'edit_post_tags',
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'delete_terms' => 'delete_post_tags',
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'assign_terms' => 'assign_post_tags',
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),
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'show_in_rest' => true,
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'rest_base' => 'tags',
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'rest_controller_class' => 'WP_REST_Terms_Controller',
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)
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);
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register_taxonomy(
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'nav_menu',
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'nav_menu_item',
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array(
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'public' => false,
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'hierarchical' => false,
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'labels' => array(
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'name' => __( 'Navigation Menus' ),
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'singular_name' => __( 'Navigation Menu' ),
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),
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'query_var' => false,
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'rewrite' => false,
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'show_ui' => false,
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'_builtin' => true,
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'show_in_nav_menus' => false,
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)
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);
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register_taxonomy(
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'link_category',
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'link',
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array(
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'hierarchical' => false,
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'labels' => array(
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'name' => __( 'Link Categories' ),
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'singular_name' => __( 'Link Category' ),
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'search_items' => __( 'Search Link Categories' ),
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'popular_items' => null,
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'all_items' => __( 'All Link Categories' ),
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'edit_item' => __( 'Edit Link Category' ),
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'update_item' => __( 'Update Link Category' ),
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'add_new_item' => __( 'Add New Link Category' ),
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'new_item_name' => __( 'New Link Category Name' ),
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'separate_items_with_commas' => null,
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'add_or_remove_items' => null,
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'choose_from_most_used' => null,
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'back_to_items' => __( '← Back to Link Categories' ),
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),
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'capabilities' => array(
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'manage_terms' => 'manage_links',
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'edit_terms' => 'manage_links',
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'delete_terms' => 'manage_links',
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'assign_terms' => 'manage_links',
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),
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'query_var' => false,
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'rewrite' => false,
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'public' => false,
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'show_ui' => true,
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'_builtin' => true,
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)
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);
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register_taxonomy(
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'post_format',
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'post',
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array(
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'public' => true,
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'hierarchical' => false,
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'labels' => array(
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'name' => _x( 'Formats', 'post format' ),
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'singular_name' => _x( 'Format', 'post format' ),
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),
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'query_var' => true,
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'rewrite' => $rewrite['post_format'],
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'show_ui' => false,
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'_builtin' => true,
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'show_in_nav_menus' => current_theme_supports( 'post-formats' ),
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)
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);
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}
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/**
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* Retrieves a list of registered taxonomy names or objects.
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*
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* @since 3.0.0
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*
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* @global array $wp_taxonomies The registered taxonomies.
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*
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* @param array $args Optional. An array of `key => value` arguments to match against the taxonomy objects.
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* Default empty array.
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* @param string $output Optional. The type of output to return in the array. Accepts either taxonomy 'names'
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* or 'objects'. Default 'names'.
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* @param string $operator Optional. The logical operation to perform. Accepts 'and' or 'or'. 'or' means only
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* one element from the array needs to match; 'and' means all elements must match.
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* Default 'and'.
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* @return string[]|WP_Taxonomy[] An array of taxonomy names or objects.
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*/
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function get_taxonomies( $args = array(), $output = 'names', $operator = 'and' ) {
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global $wp_taxonomies;
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$field = ( 'names' === $output ) ? 'name' : false;
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return wp_filter_object_list( $wp_taxonomies, $args, $operator, $field );
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}
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/**
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* Return the names or objects of the taxonomies which are registered for the requested object or object type, such as
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* a post object or post type name.
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*
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* Example:
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*
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* $taxonomies = get_object_taxonomies( 'post' );
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*
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* This results in:
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*
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* Array( 'category', 'post_tag' )
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*
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* @since 2.3.0
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*
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* @global array $wp_taxonomies The registered taxonomies.
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*
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* @param string|string[]|WP_Post $object Name of the type of taxonomy object, or an object (row from posts)
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* @param string $output Optional. The type of output to return in the array. Accepts either
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* 'names' or 'objects'. Default 'names'.
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* @return string[]|WP_Taxonomy[] The names or objects of all taxonomies of `$object_type`.
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*/
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function get_object_taxonomies( $object, $output = 'names' ) {
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global $wp_taxonomies;
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if ( is_object( $object ) ) {
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if ( 'attachment' === $object->post_type ) {
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return get_attachment_taxonomies( $object, $output );
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}
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$object = $object->post_type;
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}
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$object = (array) $object;
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$taxonomies = array();
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foreach ( (array) $wp_taxonomies as $tax_name => $tax_obj ) {
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if ( array_intersect( $object, (array) $tax_obj->object_type ) ) {
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if ( 'names' === $output ) {
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$taxonomies[] = $tax_name;
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} else {
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$taxonomies[ $tax_name ] = $tax_obj;
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}
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}
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}
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return $taxonomies;
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}
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/**
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* Retrieves the taxonomy object of $taxonomy.
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*
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* The get_taxonomy function will first check that the parameter string given
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* is a taxonomy object and if it is, it will return it.
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*
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* @since 2.3.0
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*
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* @global array $wp_taxonomies The registered taxonomies.
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*
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* @param string $taxonomy Name of taxonomy object to return.
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* @return WP_Taxonomy|false The Taxonomy Object or false if $taxonomy doesn't exist.
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*/
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function get_taxonomy( $taxonomy ) {
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global $wp_taxonomies;
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if ( ! taxonomy_exists( $taxonomy ) ) {
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return false;
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}
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return $wp_taxonomies[ $taxonomy ];
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}
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/**
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* Determines whether the taxonomy name exists.
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*
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* Formerly is_taxonomy(), introduced in 2.3.0.
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*
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* For more information on this and similar theme functions, check out
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* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
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* Conditional Tags} article in the Theme Developer Handbook.
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*
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* @since 3.0.0
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*
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* @global array $wp_taxonomies The registered taxonomies.
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*
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* @param string $taxonomy Name of taxonomy object.
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* @return bool Whether the taxonomy exists.
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*/
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function taxonomy_exists( $taxonomy ) {
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global $wp_taxonomies;
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return isset( $wp_taxonomies[ $taxonomy ] );
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}
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/**
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* Determines whether the taxonomy object is hierarchical.
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*
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* Checks to make sure that the taxonomy is an object first. Then Gets the
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* object, and finally returns the hierarchical value in the object.
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*
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* A false return value might also mean that the taxonomy does not exist.
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*
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* For more information on this and similar theme functions, check out
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* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
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* Conditional Tags} article in the Theme Developer Handbook.
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*
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* @since 2.3.0
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*
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* @param string $taxonomy Name of taxonomy object.
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* @return bool Whether the taxonomy is hierarchical.
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*/
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function is_taxonomy_hierarchical( $taxonomy ) {
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if ( ! taxonomy_exists( $taxonomy ) ) {
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return false;
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}
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$taxonomy = get_taxonomy( $taxonomy );
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return $taxonomy->hierarchical;
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}
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/**
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* Creates or modifies a taxonomy object.
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*
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* Note: Do not use before the {@see 'init'} hook.
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*
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* A simple function for creating or modifying a taxonomy object based on
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* the parameters given. If modifying an existing taxonomy object, note
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* that the `$object_type` value from the original registration will be
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* overwritten.
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*
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* @since 2.3.0
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* @since 4.2.0 Introduced `show_in_quick_edit` argument.
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* @since 4.4.0 The `show_ui` argument is now enforced on the term editing screen.
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* @since 4.4.0 The `public` argument now controls whether the taxonomy can be queried on the front end.
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* @since 4.5.0 Introduced `publicly_queryable` argument.
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* @since 4.7.0 Introduced `show_in_rest`, 'rest_base' and 'rest_controller_class'
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* arguments to register the Taxonomy in REST API.
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* @since 5.1.0 Introduced `meta_box_sanitize_cb` argument.
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* @since 5.4.0 Added the registered taxonomy object as a return value.
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*
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* @global array $wp_taxonomies Registered taxonomies.
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*
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* @param string $taxonomy Taxonomy key, must not exceed 32 characters.
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* @param array|string $object_type Object type or array of object types with which the taxonomy should be associated.
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* @param array|string $args {
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* Optional. Array or query string of arguments for registering a taxonomy.
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*
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* @type array $labels An array of labels for this taxonomy. By default, Tag labels are
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* used for non-hierarchical taxonomies, and Category labels are used
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* for hierarchical taxonomies. See accepted values in
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* get_taxonomy_labels(). Default empty array.
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* @type string $description A short descriptive summary of what the taxonomy is for. Default empty.
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* @type bool $public Whether a taxonomy is intended for use publicly either via
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* the admin interface or by front-end users. The default settings
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* of `$publicly_queryable`, `$show_ui`, and `$show_in_nav_menus`
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* are inherited from `$public`.
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* @type bool $publicly_queryable Whether the taxonomy is publicly queryable.
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* If not set, the default is inherited from `$public`
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* @type bool $hierarchical Whether the taxonomy is hierarchical. Default false.
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* @type bool $show_ui Whether to generate and allow a UI for managing terms in this taxonomy in
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* the admin. If not set, the default is inherited from `$public`
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* (default true).
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* @type bool $show_in_menu Whether to show the taxonomy in the admin menu. If true, the taxonomy is
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* shown as a submenu of the object type menu. If false, no menu is shown.
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* `$show_ui` must be true. If not set, default is inherited from `$show_ui`
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* (default true).
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* @type bool $show_in_nav_menus Makes this taxonomy available for selection in navigation menus. If not
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* set, the default is inherited from `$public` (default true).
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* @type bool $show_in_rest Whether to include the taxonomy in the REST API. Set this to true
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* for the taxonomy to be available in the block editor.
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* @type string $rest_base To change the base url of REST API route. Default is $taxonomy.
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* @type string $rest_controller_class REST API Controller class name. Default is 'WP_REST_Terms_Controller'.
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* @type bool $show_tagcloud Whether to list the taxonomy in the Tag Cloud Widget controls. If not set,
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* the default is inherited from `$show_ui` (default true).
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* @type bool $show_in_quick_edit Whether to show the taxonomy in the quick/bulk edit panel. It not set,
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* the default is inherited from `$show_ui` (default true).
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* @type bool $show_admin_column Whether to display a column for the taxonomy on its post type listing
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* screens. Default false.
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* @type bool|callable $meta_box_cb Provide a callback function for the meta box display. If not set,
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* post_categories_meta_box() is used for hierarchical taxonomies, and
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* post_tags_meta_box() is used for non-hierarchical. If false, no meta
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* box is shown.
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* @type callable $meta_box_sanitize_cb Callback function for sanitizing taxonomy data saved from a meta
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* box. If no callback is defined, an appropriate one is determined
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* based on the value of `$meta_box_cb`.
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* @type array $capabilities {
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* Array of capabilities for this taxonomy.
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*
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* @type string $manage_terms Default 'manage_categories'.
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* @type string $edit_terms Default 'manage_categories'.
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* @type string $delete_terms Default 'manage_categories'.
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* @type string $assign_terms Default 'edit_posts'.
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* }
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* @type bool|array $rewrite {
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* Triggers the handling of rewrites for this taxonomy. Default true, using $taxonomy as slug. To prevent
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* rewrite, set to false. To specify rewrite rules, an array can be passed with any of these keys:
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*
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* @type string $slug Customize the permastruct slug. Default `$taxonomy` key.
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* @type bool $with_front Should the permastruct be prepended with WP_Rewrite::$front. Default true.
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* @type bool $hierarchical Either hierarchical rewrite tag or not. Default false.
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* @type int $ep_mask Assign an endpoint mask. Default `EP_NONE`.
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* }
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* @type string|bool $query_var Sets the query var key for this taxonomy. Default `$taxonomy` key. If
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* false, a taxonomy cannot be loaded at `?{query_var}={term_slug}`. If a
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* string, the query `?{query_var}={term_slug}` will be valid.
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* @type callable $update_count_callback Works much like a hook, in that it will be called when the count is
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* updated. Default _update_post_term_count() for taxonomies attached
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* to post types, which confirms that the objects are published before
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* counting them. Default _update_generic_term_count() for taxonomies
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* attached to other object types, such as users.
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* @type bool $_builtin This taxonomy is a "built-in" taxonomy. INTERNAL USE ONLY!
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* Default false.
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* }
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* @return WP_Taxonomy|WP_Error The registered taxonomy object on success, WP_Error object on failure.
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*/
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function register_taxonomy( $taxonomy, $object_type, $args = array() ) {
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global $wp_taxonomies;
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if ( ! is_array( $wp_taxonomies ) ) {
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$wp_taxonomies = array();
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}
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$args = wp_parse_args( $args );
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if ( empty( $taxonomy ) || strlen( $taxonomy ) > 32 ) {
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_doing_it_wrong( __FUNCTION__, __( 'Taxonomy names must be between 1 and 32 characters in length.' ), '4.2.0' );
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return new WP_Error( 'taxonomy_length_invalid', __( 'Taxonomy names must be between 1 and 32 characters in length.' ) );
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}
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$taxonomy_object = new WP_Taxonomy( $taxonomy, $object_type, $args );
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$taxonomy_object->add_rewrite_rules();
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$wp_taxonomies[ $taxonomy ] = $taxonomy_object;
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$taxonomy_object->add_hooks();
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/**
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* Fires after a taxonomy is registered.
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*
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* @since 3.3.0
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*
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* @param string $taxonomy Taxonomy slug.
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* @param array|string $object_type Object type or array of object types.
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* @param array $args Array of taxonomy registration arguments.
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*/
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do_action( 'registered_taxonomy', $taxonomy, $object_type, (array) $taxonomy_object );
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return $taxonomy_object;
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}
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/**
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* Unregisters a taxonomy.
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*
|
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* Can not be used to unregister built-in taxonomies.
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*
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* @since 4.5.0
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*
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* @global WP $wp Current WordPress environment instance.
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* @global array $wp_taxonomies List of taxonomies.
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*
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* @param string $taxonomy Taxonomy name.
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* @return bool|WP_Error True on success, WP_Error on failure or if the taxonomy doesn't exist.
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*/
|
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function unregister_taxonomy( $taxonomy ) {
|
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if ( ! taxonomy_exists( $taxonomy ) ) {
|
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return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
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}
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|
|
$taxonomy_object = get_taxonomy( $taxonomy );
|
|
|
|
// Do not allow unregistering internal taxonomies.
|
|
if ( $taxonomy_object->_builtin ) {
|
|
return new WP_Error( 'invalid_taxonomy', __( 'Unregistering a built-in taxonomy is not allowed.' ) );
|
|
}
|
|
|
|
global $wp_taxonomies;
|
|
|
|
$taxonomy_object->remove_rewrite_rules();
|
|
$taxonomy_object->remove_hooks();
|
|
|
|
// Remove the taxonomy.
|
|
unset( $wp_taxonomies[ $taxonomy ] );
|
|
|
|
/**
|
|
* Fires after a taxonomy is unregistered.
|
|
*
|
|
* @since 4.5.0
|
|
*
|
|
* @param string $taxonomy Taxonomy name.
|
|
*/
|
|
do_action( 'unregistered_taxonomy', $taxonomy );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Builds an object with all taxonomy labels out of a taxonomy object.
|
|
*
|
|
* @since 3.0.0
|
|
* @since 4.3.0 Added the `no_terms` label.
|
|
* @since 4.4.0 Added the `items_list_navigation` and `items_list` labels.
|
|
* @since 4.9.0 Added the `most_used` and `back_to_items` labels.
|
|
*
|
|
* @param WP_Taxonomy $tax Taxonomy object.
|
|
* @return object {
|
|
* Taxonomy labels object. The first default value is for non-hierarchical taxonomies
|
|
* (like tags) and the second one is for hierarchical taxonomies (like categories).
|
|
*
|
|
* @type string $name General name for the taxonomy, usually plural. The same
|
|
* as and overridden by `$tax->label`. Default 'Tags'/'Categories'.
|
|
* @type string $singular_name Name for one object of this taxonomy. Default 'Tag'/'Category'.
|
|
* @type string $search_items Default 'Search Tags'/'Search Categories'.
|
|
* @type string $popular_items This label is only used for non-hierarchical taxonomies.
|
|
* Default 'Popular Tags'.
|
|
* @type string $all_items Default 'All Tags'/'All Categories'.
|
|
* @type string $parent_item This label is only used for hierarchical taxonomies. Default
|
|
* 'Parent Category'.
|
|
* @type string $parent_item_colon The same as `parent_item`, but with colon `:` in the end.
|
|
* @type string $edit_item Default 'Edit Tag'/'Edit Category'.
|
|
* @type string $view_item Default 'View Tag'/'View Category'.
|
|
* @type string $update_item Default 'Update Tag'/'Update Category'.
|
|
* @type string $add_new_item Default 'Add New Tag'/'Add New Category'.
|
|
* @type string $new_item_name Default 'New Tag Name'/'New Category Name'.
|
|
* @type string $separate_items_with_commas This label is only used for non-hierarchical taxonomies. Default
|
|
* 'Separate tags with commas', used in the meta box.
|
|
* @type string $add_or_remove_items This label is only used for non-hierarchical taxonomies. Default
|
|
* 'Add or remove tags', used in the meta box when JavaScript
|
|
* is disabled.
|
|
* @type string $choose_from_most_used This label is only used on non-hierarchical taxonomies. Default
|
|
* 'Choose from the most used tags', used in the meta box.
|
|
* @type string $not_found Default 'No tags found'/'No categories found', used in
|
|
* the meta box and taxonomy list table.
|
|
* @type string $no_terms Default 'No tags'/'No categories', used in the posts and media
|
|
* list tables.
|
|
* @type string $items_list_navigation Label for the table pagination hidden heading.
|
|
* @type string $items_list Label for the table hidden heading.
|
|
* @type string $most_used Title for the Most Used tab. Default 'Most Used'.
|
|
* @type string $back_to_items Label displayed after a term has been updated.
|
|
* }
|
|
*/
|
|
function get_taxonomy_labels( $tax ) {
|
|
$tax->labels = (array) $tax->labels;
|
|
|
|
if ( isset( $tax->helps ) && empty( $tax->labels['separate_items_with_commas'] ) ) {
|
|
$tax->labels['separate_items_with_commas'] = $tax->helps;
|
|
}
|
|
|
|
if ( isset( $tax->no_tagcloud ) && empty( $tax->labels['not_found'] ) ) {
|
|
$tax->labels['not_found'] = $tax->no_tagcloud;
|
|
}
|
|
|
|
$nohier_vs_hier_defaults = array(
|
|
'name' => array( _x( 'Tags', 'taxonomy general name' ), _x( 'Categories', 'taxonomy general name' ) ),
|
|
'singular_name' => array( _x( 'Tag', 'taxonomy singular name' ), _x( 'Category', 'taxonomy singular name' ) ),
|
|
'search_items' => array( __( 'Search Tags' ), __( 'Search Categories' ) ),
|
|
'popular_items' => array( __( 'Popular Tags' ), null ),
|
|
'all_items' => array( __( 'All Tags' ), __( 'All Categories' ) ),
|
|
'parent_item' => array( null, __( 'Parent Category' ) ),
|
|
'parent_item_colon' => array( null, __( 'Parent Category:' ) ),
|
|
'edit_item' => array( __( 'Edit Tag' ), __( 'Edit Category' ) ),
|
|
'view_item' => array( __( 'View Tag' ), __( 'View Category' ) ),
|
|
'update_item' => array( __( 'Update Tag' ), __( 'Update Category' ) ),
|
|
'add_new_item' => array( __( 'Add New Tag' ), __( 'Add New Category' ) ),
|
|
'new_item_name' => array( __( 'New Tag Name' ), __( 'New Category Name' ) ),
|
|
'separate_items_with_commas' => array( __( 'Separate tags with commas' ), null ),
|
|
'add_or_remove_items' => array( __( 'Add or remove tags' ), null ),
|
|
'choose_from_most_used' => array( __( 'Choose from the most used tags' ), null ),
|
|
'not_found' => array( __( 'No tags found.' ), __( 'No categories found.' ) ),
|
|
'no_terms' => array( __( 'No tags' ), __( 'No categories' ) ),
|
|
'items_list_navigation' => array( __( 'Tags list navigation' ), __( 'Categories list navigation' ) ),
|
|
'items_list' => array( __( 'Tags list' ), __( 'Categories list' ) ),
|
|
/* translators: Tab heading when selecting from the most used terms. */
|
|
'most_used' => array( _x( 'Most Used', 'tags' ), _x( 'Most Used', 'categories' ) ),
|
|
'back_to_items' => array( __( '← Back to Tags' ), __( '← Back to Categories' ) ),
|
|
);
|
|
$nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name'];
|
|
|
|
$labels = _get_custom_object_labels( $tax, $nohier_vs_hier_defaults );
|
|
|
|
$taxonomy = $tax->name;
|
|
|
|
$default_labels = clone $labels;
|
|
|
|
/**
|
|
* Filters the labels of a specific taxonomy.
|
|
*
|
|
* The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @see get_taxonomy_labels() for the full list of taxonomy labels.
|
|
*
|
|
* @param object $labels Object with labels for the taxonomy as member variables.
|
|
*/
|
|
$labels = apply_filters( "taxonomy_labels_{$taxonomy}", $labels );
|
|
|
|
// Ensure that the filtered labels contain all required default values.
|
|
$labels = (object) array_merge( (array) $default_labels, (array) $labels );
|
|
|
|
return $labels;
|
|
}
|
|
|
|
/**
|
|
* Add an already registered taxonomy to an object type.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @global array $wp_taxonomies The registered taxonomies.
|
|
*
|
|
* @param string $taxonomy Name of taxonomy object.
|
|
* @param string $object_type Name of the object type.
|
|
* @return bool True if successful, false if not.
|
|
*/
|
|
function register_taxonomy_for_object_type( $taxonomy, $object_type ) {
|
|
global $wp_taxonomies;
|
|
|
|
if ( ! isset( $wp_taxonomies[ $taxonomy ] ) ) {
|
|
return false;
|
|
}
|
|
|
|
if ( ! get_post_type_object( $object_type ) ) {
|
|
return false;
|
|
}
|
|
|
|
if ( ! in_array( $object_type, $wp_taxonomies[ $taxonomy ]->object_type, true ) ) {
|
|
$wp_taxonomies[ $taxonomy ]->object_type[] = $object_type;
|
|
}
|
|
|
|
// Filter out empties.
|
|
$wp_taxonomies[ $taxonomy ]->object_type = array_filter( $wp_taxonomies[ $taxonomy ]->object_type );
|
|
|
|
/**
|
|
* Fires after a taxonomy is registered for an object type.
|
|
*
|
|
* @since 5.1.0
|
|
*
|
|
* @param string $taxonomy Taxonomy name.
|
|
* @param string $object_type Name of the object type.
|
|
*/
|
|
do_action( 'registered_taxonomy_for_object_type', $taxonomy, $object_type );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Remove an already registered taxonomy from an object type.
|
|
*
|
|
* @since 3.7.0
|
|
*
|
|
* @global array $wp_taxonomies The registered taxonomies.
|
|
*
|
|
* @param string $taxonomy Name of taxonomy object.
|
|
* @param string $object_type Name of the object type.
|
|
* @return bool True if successful, false if not.
|
|
*/
|
|
function unregister_taxonomy_for_object_type( $taxonomy, $object_type ) {
|
|
global $wp_taxonomies;
|
|
|
|
if ( ! isset( $wp_taxonomies[ $taxonomy ] ) ) {
|
|
return false;
|
|
}
|
|
|
|
if ( ! get_post_type_object( $object_type ) ) {
|
|
return false;
|
|
}
|
|
|
|
$key = array_search( $object_type, $wp_taxonomies[ $taxonomy ]->object_type, true );
|
|
if ( false === $key ) {
|
|
return false;
|
|
}
|
|
|
|
unset( $wp_taxonomies[ $taxonomy ]->object_type[ $key ] );
|
|
|
|
/**
|
|
* Fires after a taxonomy is unregistered for an object type.
|
|
*
|
|
* @since 5.1.0
|
|
*
|
|
* @param string $taxonomy Taxonomy name.
|
|
* @param string $object_type Name of the object type.
|
|
*/
|
|
do_action( 'unregistered_taxonomy_for_object_type', $taxonomy, $object_type );
|
|
|
|
return true;
|
|
}
|
|
|
|
//
|
|
// Term API.
|
|
//
|
|
|
|
/**
|
|
* Retrieve object_ids of valid taxonomy and term.
|
|
*
|
|
* The strings of $taxonomies must exist before this function will continue. On
|
|
* failure of finding a valid taxonomy, it will return an WP_Error class, kind
|
|
* of like Exceptions in PHP 5, except you can't catch them. Even so, you can
|
|
* still test for the WP_Error class and get the error message.
|
|
*
|
|
* The $terms aren't checked the same as $taxonomies, but still need to exist
|
|
* for $object_ids to be returned.
|
|
*
|
|
* It is possible to change the order that object_ids is returned by either
|
|
* using PHP sort family functions or using the database by using $args with
|
|
* either ASC or DESC array. The value should be in the key named 'order'.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param int|array $term_ids Term id or array of term ids of terms that will be used.
|
|
* @param string|array $taxonomies String of taxonomy name or Array of string values of taxonomy names.
|
|
* @param array|string $args Change the order of the object_ids, either ASC or DESC.
|
|
* @return WP_Error|array If the taxonomy does not exist, then WP_Error will be returned. On success.
|
|
* the array can be empty meaning that there are no $object_ids found or it will return the $object_ids found.
|
|
*/
|
|
function get_objects_in_term( $term_ids, $taxonomies, $args = array() ) {
|
|
global $wpdb;
|
|
|
|
if ( ! is_array( $term_ids ) ) {
|
|
$term_ids = array( $term_ids );
|
|
}
|
|
if ( ! is_array( $taxonomies ) ) {
|
|
$taxonomies = array( $taxonomies );
|
|
}
|
|
foreach ( (array) $taxonomies as $taxonomy ) {
|
|
if ( ! taxonomy_exists( $taxonomy ) ) {
|
|
return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
|
|
}
|
|
}
|
|
|
|
$defaults = array( 'order' => 'ASC' );
|
|
$args = wp_parse_args( $args, $defaults );
|
|
|
|
$order = ( 'desc' === strtolower( $args['order'] ) ) ? 'DESC' : 'ASC';
|
|
|
|
$term_ids = array_map( 'intval', $term_ids );
|
|
|
|
$taxonomies = "'" . implode( "', '", array_map( 'esc_sql', $taxonomies ) ) . "'";
|
|
$term_ids = "'" . implode( "', '", $term_ids ) . "'";
|
|
|
|
$sql = "SELECT tr.object_id FROM $wpdb->term_relationships AS tr INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN ($taxonomies) AND tt.term_id IN ($term_ids) ORDER BY tr.object_id $order";
|
|
|
|
$last_changed = wp_cache_get_last_changed( 'terms' );
|
|
$cache_key = 'get_objects_in_term:' . md5( $sql ) . ":$last_changed";
|
|
$cache = wp_cache_get( $cache_key, 'terms' );
|
|
if ( false === $cache ) {
|
|
$object_ids = $wpdb->get_col( $sql );
|
|
wp_cache_set( $cache_key, $object_ids, 'terms' );
|
|
} else {
|
|
$object_ids = (array) $cache;
|
|
}
|
|
|
|
if ( ! $object_ids ) {
|
|
return array();
|
|
}
|
|
return $object_ids;
|
|
}
|
|
|
|
/**
|
|
* Given a taxonomy query, generates SQL to be appended to a main query.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @see WP_Tax_Query
|
|
*
|
|
* @param array $tax_query A compact tax query
|
|
* @param string $primary_table
|
|
* @param string $primary_id_column
|
|
* @return array
|
|
*/
|
|
function get_tax_sql( $tax_query, $primary_table, $primary_id_column ) {
|
|
$tax_query_obj = new WP_Tax_Query( $tax_query );
|
|
return $tax_query_obj->get_sql( $primary_table, $primary_id_column );
|
|
}
|
|
|
|
/**
|
|
* Get all Term data from database by Term ID.
|
|
*
|
|
* The usage of the get_term function is to apply filters to a term object. It
|
|
* is possible to get a term object from the database before applying the
|
|
* filters.
|
|
*
|
|
* $term ID must be part of $taxonomy, to get from the database. Failure, might
|
|
* be able to be captured by the hooks. Failure would be the same value as $wpdb
|
|
* returns for the get_row method.
|
|
*
|
|
* There are two hooks, one is specifically for each term, named 'get_term', and
|
|
* the second is for the taxonomy name, 'term_$taxonomy'. Both hooks gets the
|
|
* term object, and the taxonomy name as parameters. Both hooks are expected to
|
|
* return a Term object.
|
|
*
|
|
* {@see 'get_term'} hook - Takes two parameters the term Object and the taxonomy name.
|
|
* Must return term object. Used in get_term() as a catch-all filter for every
|
|
* $term.
|
|
*
|
|
* {@see 'get_$taxonomy'} hook - Takes two parameters the term Object and the taxonomy
|
|
* name. Must return term object. $taxonomy will be the taxonomy name, so for
|
|
* example, if 'category', it would be 'get_category' as the filter name. Useful
|
|
* for custom taxonomies or plugging into default taxonomies.
|
|
*
|
|
* @todo Better formatting for DocBlock
|
|
*
|
|
* @since 2.3.0
|
|
* @since 4.4.0 Converted to return a WP_Term object if `$output` is `OBJECT`.
|
|
* The `$taxonomy` parameter was made optional.
|
|
*
|
|
* @see sanitize_term_field() The $context param lists the available values for get_term_by() $filter param.
|
|
*
|
|
* @param int|WP_Term|object $term If integer, term data will be fetched from the database, or from the cache if
|
|
* available. If stdClass object (as in the results of a database query), will apply
|
|
* filters and return a `WP_Term` object corresponding to the `$term` data. If `WP_Term`,
|
|
* will return `$term`.
|
|
* @param string $taxonomy Optional. Taxonomy name that $term is part of.
|
|
* @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
|
|
* a WP_Term object, an associative array, or a numeric array, respectively. Default OBJECT.
|
|
* @param string $filter Optional, default is raw or no WordPress defined filter will applied.
|
|
* @return WP_Term|array|WP_Error|null Object of the type specified by `$output` on success. When `$output` is 'OBJECT',
|
|
* a WP_Term instance is returned. If taxonomy does not exist, a WP_Error is
|
|
* returned. Returns null for miscellaneous failure.
|
|
*/
|
|
function get_term( $term, $taxonomy = '', $output = OBJECT, $filter = 'raw' ) {
|
|
if ( empty( $term ) ) {
|
|
return new WP_Error( 'invalid_term', __( 'Empty Term.' ) );
|
|
}
|
|
|
|
if ( $taxonomy && ! taxonomy_exists( $taxonomy ) ) {
|
|
return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
|
|
}
|
|
|
|
if ( $term instanceof WP_Term ) {
|
|
$_term = $term;
|
|
} elseif ( is_object( $term ) ) {
|
|
if ( empty( $term->filter ) || 'raw' === $term->filter ) {
|
|
$_term = sanitize_term( $term, $taxonomy, 'raw' );
|
|
$_term = new WP_Term( $_term );
|
|
} else {
|
|
$_term = WP_Term::get_instance( $term->term_id );
|
|
}
|
|
} else {
|
|
$_term = WP_Term::get_instance( $term, $taxonomy );
|
|
}
|
|
|
|
if ( is_wp_error( $_term ) ) {
|
|
return $_term;
|
|
} elseif ( ! $_term ) {
|
|
return null;
|
|
}
|
|
|
|
// Ensure for filters that this is not empty.
|
|
$taxonomy = $_term->taxonomy;
|
|
|
|
/**
|
|
* Filters a taxonomy term object.
|
|
*
|
|
* @since 2.3.0
|
|
* @since 4.4.0 `$_term` is now a `WP_Term` object.
|
|
*
|
|
* @param WP_Term $_term Term object.
|
|
* @param string $taxonomy The taxonomy slug.
|
|
*/
|
|
$_term = apply_filters( 'get_term', $_term, $taxonomy );
|
|
|
|
/**
|
|
* Filters a taxonomy term object.
|
|
*
|
|
* The dynamic portion of the filter name, `$taxonomy`, refers
|
|
* to the slug of the term's taxonomy.
|
|
*
|
|
* @since 2.3.0
|
|
* @since 4.4.0 `$_term` is now a `WP_Term` object.
|
|
*
|
|
* @param WP_Term $_term Term object.
|
|
* @param string $taxonomy The taxonomy slug.
|
|
*/
|
|
$_term = apply_filters( "get_{$taxonomy}", $_term, $taxonomy );
|
|
|
|
// Bail if a filter callback has changed the type of the `$_term` object.
|
|
if ( ! ( $_term instanceof WP_Term ) ) {
|
|
return $_term;
|
|
}
|
|
|
|
// Sanitize term, according to the specified filter.
|
|
$_term->filter( $filter );
|
|
|
|
if ( ARRAY_A === $output ) {
|
|
return $_term->to_array();
|
|
} elseif ( ARRAY_N === $output ) {
|
|
return array_values( $_term->to_array() );
|
|
}
|
|
|
|
return $_term;
|
|
}
|
|
|
|
/**
|
|
* Get all Term data from database by Term field and data.
|
|
*
|
|
* Warning: $value is not escaped for 'name' $field. You must do it yourself, if
|
|
* required.
|
|
*
|
|
* The default $field is 'id', therefore it is possible to also use null for
|
|
* field, but not recommended that you do so.
|
|
*
|
|
* If $value does not exist, the return value will be false. If $taxonomy exists
|
|
* and $field and $value combinations exist, the Term will be returned.
|
|
*
|
|
* This function will always return the first term that matches the `$field`-
|
|
* `$value`-`$taxonomy` combination specified in the parameters. If your query
|
|
* is likely to match more than one term (as is likely to be the case when
|
|
* `$field` is 'name', for example), consider using get_terms() instead; that
|
|
* way, you will get all matching terms, and can provide your own logic for
|
|
* deciding which one was intended.
|
|
*
|
|
* @todo Better formatting for DocBlock.
|
|
*
|
|
* @since 2.3.0
|
|
* @since 4.4.0 `$taxonomy` is optional if `$field` is 'term_taxonomy_id'. Converted to return
|
|
* a WP_Term object if `$output` is `OBJECT`.
|
|
* @since 5.5.0 Added 'ID' as an alias of 'id' for the `$field` parameter.
|
|
*
|
|
* @see sanitize_term_field() The $context param lists the available values for get_term_by() $filter param.
|
|
*
|
|
* @param string $field Either 'slug', 'name', 'id' or 'ID' (term_id), or 'term_taxonomy_id'.
|
|
* @param string|int $value Search for this term value.
|
|
* @param string $taxonomy Taxonomy name. Optional, if `$field` is 'term_taxonomy_id'.
|
|
* @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
|
|
* a WP_Term object, an associative array, or a numeric array, respectively. Default OBJECT.
|
|
* @param string $filter Optional, default is raw or no WordPress defined filter will applied.
|
|
* @return WP_Term|array|false WP_Term instance (or array) on success. Will return false if `$taxonomy` does not exist
|
|
* or `$term` was not found.
|
|
*/
|
|
function get_term_by( $field, $value, $taxonomy = '', $output = OBJECT, $filter = 'raw' ) {
|
|
|
|
// 'term_taxonomy_id' lookups don't require taxonomy checks.
|
|
if ( 'term_taxonomy_id' !== $field && ! taxonomy_exists( $taxonomy ) ) {
|
|
return false;
|
|
}
|
|
|
|
// No need to perform a query for empty 'slug' or 'name'.
|
|
if ( 'slug' === $field || 'name' === $field ) {
|
|
$value = (string) $value;
|
|
|
|
if ( 0 === strlen( $value ) ) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if ( 'id' === $field || 'ID' === $field || 'term_id' === $field ) {
|
|
$term = get_term( (int) $value, $taxonomy, $output, $filter );
|
|
if ( is_wp_error( $term ) || null === $term ) {
|
|
$term = false;
|
|
}
|
|
return $term;
|
|
}
|
|
|
|
$args = array(
|
|
'get' => 'all',
|
|
'number' => 1,
|
|
'taxonomy' => $taxonomy,
|
|
'update_term_meta_cache' => false,
|
|
'orderby' => 'none',
|
|
'suppress_filter' => true,
|
|
);
|
|
|
|
switch ( $field ) {
|
|
case 'slug':
|
|
$args['slug'] = $value;
|
|
break;
|
|
case 'name':
|
|
$args['name'] = $value;
|
|
break;
|
|
case 'term_taxonomy_id':
|
|
$args['term_taxonomy_id'] = $value;
|
|
unset( $args['taxonomy'] );
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
$terms = get_terms( $args );
|
|
if ( is_wp_error( $terms ) || empty( $terms ) ) {
|
|
return false;
|
|
}
|
|
|
|
$term = array_shift( $terms );
|
|
|
|
// In the case of 'term_taxonomy_id', override the provided `$taxonomy` with whatever we find in the DB.
|
|
if ( 'term_taxonomy_id' === $field ) {
|
|
$taxonomy = $term->taxonomy;
|
|
}
|
|
|
|
return get_term( $term, $taxonomy, $output, $filter );
|
|
}
|
|
|
|
/**
|
|
* Merge all term children into a single array of their IDs.
|
|
*
|
|
* This recursive function will merge all of the children of $term into the same
|
|
* array of term IDs. Only useful for taxonomies which are hierarchical.
|
|
*
|
|
* Will return an empty array if $term does not exist in $taxonomy.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $term_id ID of Term to get children.
|
|
* @param string $taxonomy Taxonomy Name.
|
|
* @return array|WP_Error List of Term IDs. WP_Error returned if `$taxonomy` does not exist.
|
|
*/
|
|
function get_term_children( $term_id, $taxonomy ) {
|
|
if ( ! taxonomy_exists( $taxonomy ) ) {
|
|
return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
|
|
}
|
|
|
|
$term_id = intval( $term_id );
|
|
|
|
$terms = _get_term_hierarchy( $taxonomy );
|
|
|
|
if ( ! isset( $terms[ $term_id ] ) ) {
|
|
return array();
|
|
}
|
|
|
|
$children = $terms[ $term_id ];
|
|
|
|
foreach ( (array) $terms[ $term_id ] as $child ) {
|
|
if ( $term_id === $child ) {
|
|
continue;
|
|
}
|
|
|
|
if ( isset( $terms[ $child ] ) ) {
|
|
$children = array_merge( $children, get_term_children( $child, $taxonomy ) );
|
|
}
|
|
}
|
|
|
|
return $children;
|
|
}
|
|
|
|
/**
|
|
* Get sanitized Term field.
|
|
*
|
|
* The function is for contextual reasons and for simplicity of usage.
|
|
*
|
|
* @since 2.3.0
|
|
* @since 4.4.0 The `$taxonomy` parameter was made optional. `$term` can also now accept a WP_Term object.
|
|
*
|
|
* @see sanitize_term_field()
|
|
*
|
|
* @param string $field Term field to fetch.
|
|
* @param int|WP_Term $term Term ID or object.
|
|
* @param string $taxonomy Optional. Taxonomy Name. Default empty.
|
|
* @param string $context Optional, default is display. Look at sanitize_term_field() for available options.
|
|
* @return string|int|null|WP_Error Will return an empty string if $term is not an object or if $field is not set in $term.
|
|
*/
|
|
function get_term_field( $field, $term, $taxonomy = '', $context = 'display' ) {
|
|
$term = get_term( $term, $taxonomy );
|
|
if ( is_wp_error( $term ) ) {
|
|
return $term;
|
|
}
|
|
|
|
if ( ! is_object( $term ) ) {
|
|
return '';
|
|
}
|
|
|
|
if ( ! isset( $term->$field ) ) {
|
|
return '';
|
|
}
|
|
|
|
return sanitize_term_field( $field, $term->$field, $term->term_id, $term->taxonomy, $context );
|
|
}
|
|
|
|
/**
|
|
* Sanitizes Term for editing.
|
|
*
|
|
* Return value is sanitize_term() and usage is for sanitizing the term for
|
|
* editing. Function is for contextual and simplicity.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param int|object $id Term ID or object.
|
|
* @param string $taxonomy Taxonomy name.
|
|
* @return string|int|null|WP_Error Will return empty string if $term is not an object.
|
|
*/
|
|
function get_term_to_edit( $id, $taxonomy ) {
|
|
$term = get_term( $id, $taxonomy );
|
|
|
|
if ( is_wp_error( $term ) ) {
|
|
return $term;
|
|
}
|
|
|
|
if ( ! is_object( $term ) ) {
|
|
return '';
|
|
}
|
|
|
|
return sanitize_term( $term, $taxonomy, 'edit' );
|
|
}
|
|
|
|
/**
|
|
* Retrieve the terms in a given taxonomy or list of taxonomies.
|
|
*
|
|
* You can fully inject any customizations to the query before it is sent, as
|
|
* well as control the output with a filter.
|
|
*
|
|
* The {@see 'get_terms'} filter will be called when the cache has the term and will
|
|
* pass the found term along with the array of $taxonomies and array of $args.
|
|
* This filter is also called before the array of terms is passed and will pass
|
|
* the array of terms, along with the $taxonomies and $args.
|
|
*
|
|
* The {@see 'list_terms_exclusions'} filter passes the compiled exclusions along with
|
|
* the $args.
|
|
*
|
|
* The {@see 'get_terms_orderby'} filter passes the `ORDER BY` clause for the query
|
|
* along with the $args array.
|
|
*
|
|
* Prior to 4.5.0, the first parameter of `get_terms()` was a taxonomy or list of taxonomies:
|
|
*
|
|
* $terms = get_terms( 'post_tag', array(
|
|
* 'hide_empty' => false,
|
|
* ) );
|
|
*
|
|
* Since 4.5.0, taxonomies should be passed via the 'taxonomy' argument in the `$args` array:
|
|
*
|
|
* $terms = get_terms( array(
|
|
* 'taxonomy' => 'post_tag',
|
|
* 'hide_empty' => false,
|
|
* ) );
|
|
*
|
|
* @since 2.3.0
|
|
* @since 4.2.0 Introduced 'name' and 'childless' parameters.
|
|
* @since 4.4.0 Introduced the ability to pass 'term_id' as an alias of 'id' for the `orderby` parameter.
|
|
* Introduced the 'meta_query' and 'update_term_meta_cache' parameters. Converted to return
|
|
* a list of WP_Term objects.
|
|
* @since 4.5.0 Changed the function signature so that the `$args` array can be provided as the first parameter.
|
|
* Introduced 'meta_key' and 'meta_value' parameters. Introduced the ability to order results by metadata.
|
|
* @since 4.8.0 Introduced 'suppress_filter' parameter.
|
|
*
|
|
* @internal The `$deprecated` parameter is parsed for backward compatibility only.
|
|
*
|
|
* @param array|string $args Optional. Array or string of arguments. See WP_Term_Query::__construct()
|
|
* for information on accepted arguments. Default empty.
|
|
* @param array|string $deprecated Argument array, when using the legacy function parameter format. If present,
|
|
* this parameter will be interpreted as `$args`, and the first function parameter
|
|
* will be parsed as a taxonomy or array of taxonomies.
|
|
* @return WP_Term[]|int|WP_Error Array of WP_Term instances, a count thereof,
|
|
* or WP_Error if any of the taxonomies do not exist.
|
|
*/
|
|
function get_terms( $args = array(), $deprecated = '' ) {
|
|
$term_query = new WP_Term_Query();
|
|
|
|
$defaults = array(
|
|
'suppress_filter' => false,
|
|
);
|
|
|
|
/*
|
|
* Legacy argument format ($taxonomy, $args) takes precedence.
|
|
*
|
|
* We detect legacy argument format by checking if
|
|
* (a) a second non-empty parameter is passed, or
|
|
* (b) the first parameter shares no keys with the default array (ie, it's a list of taxonomies)
|
|
*/
|
|
$_args = wp_parse_args( $args );
|
|
$key_intersect = array_intersect_key( $term_query->query_var_defaults, (array) $_args );
|
|
$do_legacy_args = $deprecated || empty( $key_intersect );
|
|
|
|
if ( $do_legacy_args ) {
|
|
$taxonomies = (array) $args;
|
|
$args = wp_parse_args( $deprecated, $defaults );
|
|
$args['taxonomy'] = $taxonomies;
|
|
} else {
|
|
$args = wp_parse_args( $args, $defaults );
|
|
if ( isset( $args['taxonomy'] ) && null !== $args['taxonomy'] ) {
|
|
$args['taxonomy'] = (array) $args['taxonomy'];
|
|
}
|
|
}
|
|
|
|
if ( ! empty( $args['taxonomy'] ) ) {
|
|
foreach ( $args['taxonomy'] as $taxonomy ) {
|
|
if ( ! taxonomy_exists( $taxonomy ) ) {
|
|
return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
// Don't pass suppress_filter to WP_Term_Query.
|
|
$suppress_filter = $args['suppress_filter'];
|
|
unset( $args['suppress_filter'] );
|
|
|
|
$terms = $term_query->query( $args );
|
|
|
|
// Count queries are not filtered, for legacy reasons.
|
|
if ( ! is_array( $terms ) ) {
|
|
return $terms;
|
|
}
|
|
|
|
if ( $suppress_filter ) {
|
|
return $terms;
|
|
}
|
|
|
|
/**
|
|
* Filters the found terms.
|
|
*
|
|
* @since 2.3.0
|
|
* @since 4.6.0 Added the `$term_query` parameter.
|
|
*
|
|
* @param array $terms Array of found terms.
|
|
* @param array $taxonomies An array of taxonomies.
|
|
* @param array $args An array of get_terms() arguments.
|
|
* @param WP_Term_Query $term_query The WP_Term_Query object.
|
|
*/
|
|
return apply_filters( 'get_terms', $terms, $term_query->query_vars['taxonomy'], $term_query->query_vars, $term_query );
|
|
}
|
|
|
|
/**
|
|
* Adds metadata to a term.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param string $meta_key Metadata name.
|
|
* @param mixed $meta_value Metadata value. Must be serializable if non-scalar.
|
|
* @param bool $unique Optional. Whether the same key should not be added.
|
|
* Default false.
|
|
* @return int|false|WP_Error Meta ID on success, false on failure.
|
|
* WP_Error when term_id is ambiguous between taxonomies.
|
|
*/
|
|
function add_term_meta( $term_id, $meta_key, $meta_value, $unique = false ) {
|
|
if ( wp_term_is_shared( $term_id ) ) {
|
|
return new WP_Error( 'ambiguous_term_id', __( 'Term meta cannot be added to terms that are shared between taxonomies.' ), $term_id );
|
|
}
|
|
|
|
return add_metadata( 'term', $term_id, $meta_key, $meta_value, $unique );
|
|
}
|
|
|
|
/**
|
|
* Removes metadata matching criteria from a term.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param string $meta_key Metadata name.
|
|
* @param mixed $meta_value Optional. Metadata value. If provided,
|
|
* rows will only be removed that match the value.
|
|
* Must be serializable if non-scalar. Default empty.
|
|
* @return bool True on success, false on failure.
|
|
*/
|
|
function delete_term_meta( $term_id, $meta_key, $meta_value = '' ) {
|
|
return delete_metadata( 'term', $term_id, $meta_key, $meta_value );
|
|
}
|
|
|
|
/**
|
|
* Retrieves metadata for a term.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param string $key Optional. The meta key to retrieve. By default,
|
|
* returns data for all keys. Default empty.
|
|
* @param bool $single Optional. Whether to return a single value.
|
|
* This parameter has no effect if $key is not specified.
|
|
* Default false.
|
|
* @return mixed An array if $single is false. The value of the meta field
|
|
* if $single is true.
|
|
*/
|
|
function get_term_meta( $term_id, $key = '', $single = false ) {
|
|
return get_metadata( 'term', $term_id, $key, $single );
|
|
}
|
|
|
|
/**
|
|
* Updates term metadata.
|
|
*
|
|
* Use the `$prev_value` parameter to differentiate between meta fields with the same key and term ID.
|
|
*
|
|
* If the meta field for the term does not exist, it will be added.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param string $meta_key Metadata key.
|
|
* @param mixed $meta_value Metadata value. Must be serializable if non-scalar.
|
|
* @param mixed $prev_value Optional. Previous value to check before updating.
|
|
* Default empty.
|
|
* @return int|bool|WP_Error Meta ID if the key didn't exist. true on successful update,
|
|
* false on failure. WP_Error when term_id is ambiguous
|
|
* between taxonomies.
|
|
*/
|
|
function update_term_meta( $term_id, $meta_key, $meta_value, $prev_value = '' ) {
|
|
if ( wp_term_is_shared( $term_id ) ) {
|
|
return new WP_Error( 'ambiguous_term_id', __( 'Term meta cannot be added to terms that are shared between taxonomies.' ), $term_id );
|
|
}
|
|
|
|
return update_metadata( 'term', $term_id, $meta_key, $meta_value, $prev_value );
|
|
}
|
|
|
|
/**
|
|
* Updates metadata cache for list of term IDs.
|
|
*
|
|
* Performs SQL query to retrieve all metadata for the terms matching `$term_ids` and stores them in the cache.
|
|
* Subsequent calls to `get_term_meta()` will not need to query the database.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param array $term_ids List of term IDs.
|
|
* @return array|false An array of metadata on success, false if there is nothing to update.
|
|
*/
|
|
function update_termmeta_cache( $term_ids ) {
|
|
return update_meta_cache( 'term', $term_ids );
|
|
}
|
|
|
|
/**
|
|
* Get all meta data, including meta IDs, for the given term ID.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @return array|false Array with meta data, or false when the meta table is not installed.
|
|
*/
|
|
function has_term_meta( $term_id ) {
|
|
$check = wp_check_term_meta_support_prefilter( null );
|
|
if ( null !== $check ) {
|
|
return $check;
|
|
}
|
|
|
|
global $wpdb;
|
|
|
|
return $wpdb->get_results( $wpdb->prepare( "SELECT meta_key, meta_value, meta_id, term_id FROM $wpdb->termmeta WHERE term_id = %d ORDER BY meta_key,meta_id", $term_id ), ARRAY_A );
|
|
}
|
|
|
|
/**
|
|
* Registers a meta key for terms.
|
|
*
|
|
* @since 4.9.8
|
|
*
|
|
* @param string $taxonomy Taxonomy to register a meta key for. Pass an empty string
|
|
* to register the meta key across all existing taxonomies.
|
|
* @param string $meta_key The meta key to register.
|
|
* @param array $args Data used to describe the meta key when registered. See
|
|
* {@see register_meta()} for a list of supported arguments.
|
|
* @return bool True if the meta key was successfully registered, false if not.
|
|
*/
|
|
function register_term_meta( $taxonomy, $meta_key, array $args ) {
|
|
$args['object_subtype'] = $taxonomy;
|
|
|
|
return register_meta( 'term', $meta_key, $args );
|
|
}
|
|
|
|
/**
|
|
* Unregisters a meta key for terms.
|
|
*
|
|
* @since 4.9.8
|
|
*
|
|
* @param string $taxonomy Taxonomy the meta key is currently registered for. Pass
|
|
* an empty string if the meta key is registered across all
|
|
* existing taxonomies.
|
|
* @param string $meta_key The meta key to unregister.
|
|
* @return bool True on success, false if the meta key was not previously registered.
|
|
*/
|
|
function unregister_term_meta( $taxonomy, $meta_key ) {
|
|
return unregister_meta_key( 'term', $meta_key, $taxonomy );
|
|
}
|
|
|
|
/**
|
|
* Determines whether a taxonomy term exists.
|
|
*
|
|
* Formerly is_term(), introduced in 2.3.0.
|
|
*
|
|
* For more information on this and similar theme functions, check out
|
|
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
|
|
* Conditional Tags} article in the Theme Developer Handbook.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param int|string $term The term to check. Accepts term ID, slug, or name.
|
|
* @param string $taxonomy Optional. The taxonomy name to use.
|
|
* @param int $parent Optional. ID of parent term under which to confine the exists search.
|
|
* @return mixed Returns null if the term does not exist.
|
|
* Returns the term ID if no taxonomy is specified and the term ID exists.
|
|
* Returns an array of the term ID and the term taxonomy ID if the taxonomy is specified and the pairing exists.
|
|
* Returns 0 if term ID 0 is passed to the function.
|
|
*/
|
|
function term_exists( $term, $taxonomy = '', $parent = null ) {
|
|
global $wpdb;
|
|
|
|
$select = "SELECT term_id FROM $wpdb->terms as t WHERE ";
|
|
$tax_select = "SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE ";
|
|
|
|
if ( is_int( $term ) ) {
|
|
if ( 0 === $term ) {
|
|
return 0;
|
|
}
|
|
$where = 't.term_id = %d';
|
|
if ( ! empty( $taxonomy ) ) {
|
|
// phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber
|
|
return $wpdb->get_row( $wpdb->prepare( $tax_select . $where . ' AND tt.taxonomy = %s', $term, $taxonomy ), ARRAY_A );
|
|
} else {
|
|
return $wpdb->get_var( $wpdb->prepare( $select . $where, $term ) );
|
|
}
|
|
}
|
|
|
|
$term = trim( wp_unslash( $term ) );
|
|
$slug = sanitize_title( $term );
|
|
|
|
$where = 't.slug = %s';
|
|
$else_where = 't.name = %s';
|
|
$where_fields = array( $slug );
|
|
$else_where_fields = array( $term );
|
|
$orderby = 'ORDER BY t.term_id ASC';
|
|
$limit = 'LIMIT 1';
|
|
if ( ! empty( $taxonomy ) ) {
|
|
if ( is_numeric( $parent ) ) {
|
|
$parent = (int) $parent;
|
|
$where_fields[] = $parent;
|
|
$else_where_fields[] = $parent;
|
|
$where .= ' AND tt.parent = %d';
|
|
$else_where .= ' AND tt.parent = %d';
|
|
}
|
|
|
|
$where_fields[] = $taxonomy;
|
|
$else_where_fields[] = $taxonomy;
|
|
|
|
$result = $wpdb->get_row( $wpdb->prepare( "SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE $where AND tt.taxonomy = %s $orderby $limit", $where_fields ), ARRAY_A );
|
|
if ( $result ) {
|
|
return $result;
|
|
}
|
|
|
|
return $wpdb->get_row( $wpdb->prepare( "SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE $else_where AND tt.taxonomy = %s $orderby $limit", $else_where_fields ), ARRAY_A );
|
|
}
|
|
|
|
// phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare
|
|
$result = $wpdb->get_var( $wpdb->prepare( "SELECT term_id FROM $wpdb->terms as t WHERE $where $orderby $limit", $where_fields ) );
|
|
if ( $result ) {
|
|
return $result;
|
|
}
|
|
|
|
// phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare
|
|
return $wpdb->get_var( $wpdb->prepare( "SELECT term_id FROM $wpdb->terms as t WHERE $else_where $orderby $limit", $else_where_fields ) );
|
|
}
|
|
|
|
/**
|
|
* Check if a term is an ancestor of another term.
|
|
*
|
|
* You can use either an id or the term object for both parameters.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param int|object $term1 ID or object to check if this is the parent term.
|
|
* @param int|object $term2 The child term.
|
|
* @param string $taxonomy Taxonomy name that $term1 and `$term2` belong to.
|
|
* @return bool Whether `$term2` is a child of `$term1`.
|
|
*/
|
|
function term_is_ancestor_of( $term1, $term2, $taxonomy ) {
|
|
if ( ! isset( $term1->term_id ) ) {
|
|
$term1 = get_term( $term1, $taxonomy );
|
|
}
|
|
if ( ! isset( $term2->parent ) ) {
|
|
$term2 = get_term( $term2, $taxonomy );
|
|
}
|
|
|
|
if ( empty( $term1->term_id ) || empty( $term2->parent ) ) {
|
|
return false;
|
|
}
|
|
if ( $term2->parent === $term1->term_id ) {
|
|
return true;
|
|
}
|
|
|
|
return term_is_ancestor_of( $term1, get_term( $term2->parent, $taxonomy ), $taxonomy );
|
|
}
|
|
|
|
/**
|
|
* Sanitize Term all fields.
|
|
*
|
|
* Relies on sanitize_term_field() to sanitize the term. The difference is that
|
|
* this function will sanitize <strong>all</strong> fields. The context is based
|
|
* on sanitize_term_field().
|
|
*
|
|
* The $term is expected to be either an array or an object.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param array|object $term The term to check.
|
|
* @param string $taxonomy The taxonomy name to use.
|
|
* @param string $context Optional. Context in which to sanitize the term. Accepts 'edit', 'db',
|
|
* 'display', 'attribute', or 'js'. Default 'display'.
|
|
* @return array|object Term with all fields sanitized.
|
|
*/
|
|
function sanitize_term( $term, $taxonomy, $context = 'display' ) {
|
|
$fields = array( 'term_id', 'name', 'description', 'slug', 'count', 'parent', 'term_group', 'term_taxonomy_id', 'object_id' );
|
|
|
|
$do_object = is_object( $term );
|
|
|
|
$term_id = $do_object ? $term->term_id : ( isset( $term['term_id'] ) ? $term['term_id'] : 0 );
|
|
|
|
foreach ( (array) $fields as $field ) {
|
|
if ( $do_object ) {
|
|
if ( isset( $term->$field ) ) {
|
|
$term->$field = sanitize_term_field( $field, $term->$field, $term_id, $taxonomy, $context );
|
|
}
|
|
} else {
|
|
if ( isset( $term[ $field ] ) ) {
|
|
$term[ $field ] = sanitize_term_field( $field, $term[ $field ], $term_id, $taxonomy, $context );
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( $do_object ) {
|
|
$term->filter = $context;
|
|
} else {
|
|
$term['filter'] = $context;
|
|
}
|
|
|
|
return $term;
|
|
}
|
|
|
|
/**
|
|
* Cleanse the field value in the term based on the context.
|
|
*
|
|
* Passing a term field value through the function should be assumed to have
|
|
* cleansed the value for whatever context the term field is going to be used.
|
|
*
|
|
* If no context or an unsupported context is given, then default filters will
|
|
* be applied.
|
|
*
|
|
* There are enough filters for each context to support a custom filtering
|
|
* without creating your own filter function. Simply create a function that
|
|
* hooks into the filter you need.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string $field Term field to sanitize.
|
|
* @param string $value Search for this term value.
|
|
* @param int $term_id Term ID.
|
|
* @param string $taxonomy Taxonomy Name.
|
|
* @param string $context Context in which to sanitize the term field. Accepts 'edit', 'db', 'display',
|
|
* 'attribute', or 'js'.
|
|
* @return mixed Sanitized field.
|
|
*/
|
|
function sanitize_term_field( $field, $value, $term_id, $taxonomy, $context ) {
|
|
$int_fields = array( 'parent', 'term_id', 'count', 'term_group', 'term_taxonomy_id', 'object_id' );
|
|
if ( in_array( $field, $int_fields, true ) ) {
|
|
$value = (int) $value;
|
|
if ( $value < 0 ) {
|
|
$value = 0;
|
|
}
|
|
}
|
|
|
|
$context = strtolower( $context );
|
|
|
|
if ( 'raw' === $context ) {
|
|
return $value;
|
|
}
|
|
|
|
if ( 'edit' === $context ) {
|
|
|
|
/**
|
|
* Filters a term field to edit before it is sanitized.
|
|
*
|
|
* The dynamic portion of the filter name, `$field`, refers to the term field.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param mixed $value Value of the term field.
|
|
* @param int $term_id Term ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
$value = apply_filters( "edit_term_{$field}", $value, $term_id, $taxonomy );
|
|
|
|
/**
|
|
* Filters the taxonomy field to edit before it is sanitized.
|
|
*
|
|
* The dynamic portions of the filter name, `$taxonomy` and `$field`, refer
|
|
* to the taxonomy slug and taxonomy field, respectively.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param mixed $value Value of the taxonomy field to edit.
|
|
* @param int $term_id Term ID.
|
|
*/
|
|
$value = apply_filters( "edit_{$taxonomy}_{$field}", $value, $term_id );
|
|
|
|
if ( 'description' === $field ) {
|
|
$value = esc_html( $value ); // textarea_escaped
|
|
} else {
|
|
$value = esc_attr( $value );
|
|
}
|
|
} elseif ( 'db' === $context ) {
|
|
|
|
/**
|
|
* Filters a term field value before it is sanitized.
|
|
*
|
|
* The dynamic portion of the filter name, `$field`, refers to the term field.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param mixed $value Value of the term field.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
$value = apply_filters( "pre_term_{$field}", $value, $taxonomy );
|
|
|
|
/**
|
|
* Filters a taxonomy field before it is sanitized.
|
|
*
|
|
* The dynamic portions of the filter name, `$taxonomy` and `$field`, refer
|
|
* to the taxonomy slug and field name, respectively.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param mixed $value Value of the taxonomy field.
|
|
*/
|
|
$value = apply_filters( "pre_{$taxonomy}_{$field}", $value );
|
|
|
|
// Back compat filters.
|
|
if ( 'slug' === $field ) {
|
|
/**
|
|
* Filters the category nicename before it is sanitized.
|
|
*
|
|
* Use the {@see 'pre_$taxonomy_$field'} hook instead.
|
|
*
|
|
* @since 2.0.3
|
|
*
|
|
* @param string $value The category nicename.
|
|
*/
|
|
$value = apply_filters( 'pre_category_nicename', $value );
|
|
}
|
|
} elseif ( 'rss' === $context ) {
|
|
|
|
/**
|
|
* Filters the term field for use in RSS.
|
|
*
|
|
* The dynamic portion of the filter name, `$field`, refers to the term field.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param mixed $value Value of the term field.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
$value = apply_filters( "term_{$field}_rss", $value, $taxonomy );
|
|
|
|
/**
|
|
* Filters the taxonomy field for use in RSS.
|
|
*
|
|
* The dynamic portions of the hook name, `$taxonomy`, and `$field`, refer
|
|
* to the taxonomy slug and field name, respectively.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param mixed $value Value of the taxonomy field.
|
|
*/
|
|
$value = apply_filters( "{$taxonomy}_{$field}_rss", $value );
|
|
} else {
|
|
// Use display filters by default.
|
|
|
|
/**
|
|
* Filters the term field sanitized for display.
|
|
*
|
|
* The dynamic portion of the filter name, `$field`, refers to the term field name.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param mixed $value Value of the term field.
|
|
* @param int $term_id Term ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
* @param string $context Context to retrieve the term field value.
|
|
*/
|
|
$value = apply_filters( "term_{$field}", $value, $term_id, $taxonomy, $context );
|
|
|
|
/**
|
|
* Filters the taxonomy field sanitized for display.
|
|
*
|
|
* The dynamic portions of the filter name, `$taxonomy`, and `$field`, refer
|
|
* to the taxonomy slug and taxonomy field, respectively.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param mixed $value Value of the taxonomy field.
|
|
* @param int $term_id Term ID.
|
|
* @param string $context Context to retrieve the taxonomy field value.
|
|
*/
|
|
$value = apply_filters( "{$taxonomy}_{$field}", $value, $term_id, $context );
|
|
}
|
|
|
|
if ( 'attribute' === $context ) {
|
|
$value = esc_attr( $value );
|
|
} elseif ( 'js' === $context ) {
|
|
$value = esc_js( $value );
|
|
}
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Count how many terms are in Taxonomy.
|
|
*
|
|
* Default $args is 'hide_empty' which can be 'hide_empty=true' or array('hide_empty' => true).
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string $taxonomy Taxonomy name.
|
|
* @param array|string $args Optional. Array of arguments that get passed to get_terms().
|
|
* Default empty array.
|
|
* @return array|int|WP_Error Number of terms in that taxonomy or WP_Error if the taxonomy does not exist.
|
|
*/
|
|
function wp_count_terms( $taxonomy, $args = array() ) {
|
|
$defaults = array(
|
|
'taxonomy' => $taxonomy,
|
|
'hide_empty' => false,
|
|
);
|
|
$args = wp_parse_args( $args, $defaults );
|
|
|
|
// Backward compatibility.
|
|
if ( isset( $args['ignore_empty'] ) ) {
|
|
$args['hide_empty'] = $args['ignore_empty'];
|
|
unset( $args['ignore_empty'] );
|
|
}
|
|
|
|
$args['fields'] = 'count';
|
|
|
|
return get_terms( $args );
|
|
}
|
|
|
|
/**
|
|
* Will unlink the object from the taxonomy or taxonomies.
|
|
*
|
|
* Will remove all relationships between the object and any terms in
|
|
* a particular taxonomy or taxonomies. Does not remove the term or
|
|
* taxonomy itself.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $object_id The term Object Id that refers to the term.
|
|
* @param string|array $taxonomies List of Taxonomy Names or single Taxonomy name.
|
|
*/
|
|
function wp_delete_object_term_relationships( $object_id, $taxonomies ) {
|
|
$object_id = (int) $object_id;
|
|
|
|
if ( ! is_array( $taxonomies ) ) {
|
|
$taxonomies = array( $taxonomies );
|
|
}
|
|
|
|
foreach ( (array) $taxonomies as $taxonomy ) {
|
|
$term_ids = wp_get_object_terms( $object_id, $taxonomy, array( 'fields' => 'ids' ) );
|
|
$term_ids = array_map( 'intval', $term_ids );
|
|
wp_remove_object_terms( $object_id, $term_ids, $taxonomy );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Removes a term from the database.
|
|
*
|
|
* If the term is a parent of other terms, then the children will be updated to
|
|
* that term's parent.
|
|
*
|
|
* Metadata associated with the term will be deleted.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param int $term Term ID.
|
|
* @param string $taxonomy Taxonomy Name.
|
|
* @param array|string $args {
|
|
* Optional. Array of arguments to override the default term ID. Default empty array.
|
|
*
|
|
* @type int $default The term ID to make the default term. This will only override
|
|
* the terms found if there is only one term found. Any other and
|
|
* the found terms are used.
|
|
* @type bool $force_default Optional. Whether to force the supplied term as default to be
|
|
* assigned even if the object was not going to be term-less.
|
|
* Default false.
|
|
* }
|
|
* @return bool|int|WP_Error True on success, false if term does not exist. Zero on attempted
|
|
* deletion of default Category. WP_Error if the taxonomy does not exist.
|
|
*/
|
|
function wp_delete_term( $term, $taxonomy, $args = array() ) {
|
|
global $wpdb;
|
|
|
|
$term = (int) $term;
|
|
|
|
$ids = term_exists( $term, $taxonomy );
|
|
if ( ! $ids ) {
|
|
return false;
|
|
}
|
|
if ( is_wp_error( $ids ) ) {
|
|
return $ids;
|
|
}
|
|
|
|
$tt_id = $ids['term_taxonomy_id'];
|
|
|
|
$defaults = array();
|
|
|
|
if ( 'category' === $taxonomy ) {
|
|
$defaults['default'] = (int) get_option( 'default_category' );
|
|
if ( $defaults['default'] === $term ) {
|
|
return 0; // Don't delete the default category.
|
|
}
|
|
}
|
|
|
|
$args = wp_parse_args( $args, $defaults );
|
|
|
|
if ( isset( $args['default'] ) ) {
|
|
$default = (int) $args['default'];
|
|
if ( ! term_exists( $default, $taxonomy ) ) {
|
|
unset( $default );
|
|
}
|
|
}
|
|
|
|
if ( isset( $args['force_default'] ) ) {
|
|
$force_default = $args['force_default'];
|
|
}
|
|
|
|
/**
|
|
* Fires when deleting a term, before any modifications are made to posts or terms.
|
|
*
|
|
* @since 4.1.0
|
|
*
|
|
* @param int $term Term ID.
|
|
* @param string $taxonomy Taxonomy Name.
|
|
*/
|
|
do_action( 'pre_delete_term', $term, $taxonomy );
|
|
|
|
// Update children to point to new parent.
|
|
if ( is_taxonomy_hierarchical( $taxonomy ) ) {
|
|
$term_obj = get_term( $term, $taxonomy );
|
|
if ( is_wp_error( $term_obj ) ) {
|
|
return $term_obj;
|
|
}
|
|
$parent = $term_obj->parent;
|
|
|
|
$edit_ids = $wpdb->get_results( "SELECT term_id, term_taxonomy_id FROM $wpdb->term_taxonomy WHERE `parent` = " . (int) $term_obj->term_id );
|
|
$edit_tt_ids = wp_list_pluck( $edit_ids, 'term_taxonomy_id' );
|
|
|
|
/**
|
|
* Fires immediately before a term to delete's children are reassigned a parent.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param array $edit_tt_ids An array of term taxonomy IDs for the given term.
|
|
*/
|
|
do_action( 'edit_term_taxonomies', $edit_tt_ids );
|
|
|
|
$wpdb->update( $wpdb->term_taxonomy, compact( 'parent' ), array( 'parent' => $term_obj->term_id ) + compact( 'taxonomy' ) );
|
|
|
|
// Clean the cache for all child terms.
|
|
$edit_term_ids = wp_list_pluck( $edit_ids, 'term_id' );
|
|
clean_term_cache( $edit_term_ids, $taxonomy );
|
|
|
|
/**
|
|
* Fires immediately after a term to delete's children are reassigned a parent.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param array $edit_tt_ids An array of term taxonomy IDs for the given term.
|
|
*/
|
|
do_action( 'edited_term_taxonomies', $edit_tt_ids );
|
|
}
|
|
|
|
// Get the term before deleting it or its term relationships so we can pass to actions below.
|
|
$deleted_term = get_term( $term, $taxonomy );
|
|
|
|
$object_ids = (array) $wpdb->get_col( $wpdb->prepare( "SELECT object_id FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $tt_id ) );
|
|
|
|
foreach ( $object_ids as $object_id ) {
|
|
$terms = wp_get_object_terms(
|
|
$object_id,
|
|
$taxonomy,
|
|
array(
|
|
'fields' => 'ids',
|
|
'orderby' => 'none',
|
|
)
|
|
);
|
|
if ( 1 === count( $terms ) && isset( $default ) ) {
|
|
$terms = array( $default );
|
|
} else {
|
|
$terms = array_diff( $terms, array( $term ) );
|
|
if ( isset( $default ) && isset( $force_default ) && $force_default ) {
|
|
$terms = array_merge( $terms, array( $default ) );
|
|
}
|
|
}
|
|
$terms = array_map( 'intval', $terms );
|
|
wp_set_object_terms( $object_id, $terms, $taxonomy );
|
|
}
|
|
|
|
// Clean the relationship caches for all object types using this term.
|
|
$tax_object = get_taxonomy( $taxonomy );
|
|
foreach ( $tax_object->object_type as $object_type ) {
|
|
clean_object_term_cache( $object_ids, $object_type );
|
|
}
|
|
|
|
$term_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->termmeta WHERE term_id = %d ", $term ) );
|
|
foreach ( $term_meta_ids as $mid ) {
|
|
delete_metadata_by_mid( 'term', $mid );
|
|
}
|
|
|
|
/**
|
|
* Fires immediately before a term taxonomy ID is deleted.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param int $tt_id Term taxonomy ID.
|
|
*/
|
|
do_action( 'delete_term_taxonomy', $tt_id );
|
|
$wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) );
|
|
|
|
/**
|
|
* Fires immediately after a term taxonomy ID is deleted.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param int $tt_id Term taxonomy ID.
|
|
*/
|
|
do_action( 'deleted_term_taxonomy', $tt_id );
|
|
|
|
// Delete the term if no taxonomies use it.
|
|
if ( ! $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term ) ) ) {
|
|
$wpdb->delete( $wpdb->terms, array( 'term_id' => $term ) );
|
|
}
|
|
|
|
clean_term_cache( $term, $taxonomy );
|
|
|
|
/**
|
|
* Fires after a term is deleted from the database and the cache is cleaned.
|
|
*
|
|
* @since 2.5.0
|
|
* @since 4.5.0 Introduced the `$object_ids` argument.
|
|
*
|
|
* @param int $term Term ID.
|
|
* @param int $tt_id Term taxonomy ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
* @param mixed $deleted_term Copy of the already-deleted term, in the form specified
|
|
* by the parent function. WP_Error otherwise.
|
|
* @param array $object_ids List of term object IDs.
|
|
*/
|
|
do_action( 'delete_term', $term, $tt_id, $taxonomy, $deleted_term, $object_ids );
|
|
|
|
/**
|
|
* Fires after a term in a specific taxonomy is deleted.
|
|
*
|
|
* The dynamic portion of the hook name, `$taxonomy`, refers to the specific
|
|
* taxonomy the term belonged to.
|
|
*
|
|
* @since 2.3.0
|
|
* @since 4.5.0 Introduced the `$object_ids` argument.
|
|
*
|
|
* @param int $term Term ID.
|
|
* @param int $tt_id Term taxonomy ID.
|
|
* @param mixed $deleted_term Copy of the already-deleted term, in the form specified
|
|
* by the parent function. WP_Error otherwise.
|
|
* @param array $object_ids List of term object IDs.
|
|
*/
|
|
do_action( "delete_{$taxonomy}", $term, $tt_id, $deleted_term, $object_ids );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Deletes one existing category.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @param int $cat_ID Category term ID.
|
|
* @return bool|int|WP_Error Returns true if completes delete action; false if term doesn't exist;
|
|
* Zero on attempted deletion of default Category; WP_Error object is also a possibility.
|
|
*/
|
|
function wp_delete_category( $cat_ID ) {
|
|
return wp_delete_term( $cat_ID, 'category' );
|
|
}
|
|
|
|
/**
|
|
* Retrieves the terms associated with the given object(s), in the supplied taxonomies.
|
|
*
|
|
* @since 2.3.0
|
|
* @since 4.2.0 Added support for 'taxonomy', 'parent', and 'term_taxonomy_id' values of `$orderby`.
|
|
* Introduced `$parent` argument.
|
|
* @since 4.4.0 Introduced `$meta_query` and `$update_term_meta_cache` arguments. When `$fields` is 'all' or
|
|
* 'all_with_object_id', an array of `WP_Term` objects will be returned.
|
|
* @since 4.7.0 Refactored to use WP_Term_Query, and to support any WP_Term_Query arguments.
|
|
*
|
|
* @param int|int[] $object_ids The ID(s) of the object(s) to retrieve.
|
|
* @param string|string[] $taxonomies The taxonomy names to retrieve terms from.
|
|
* @param array|string $args See WP_Term_Query::__construct() for supported arguments.
|
|
* @return array|WP_Error The requested term data or empty array if no terms found.
|
|
* WP_Error if any of the taxonomies don't exist.
|
|
*/
|
|
function wp_get_object_terms( $object_ids, $taxonomies, $args = array() ) {
|
|
if ( empty( $object_ids ) || empty( $taxonomies ) ) {
|
|
return array();
|
|
}
|
|
|
|
if ( ! is_array( $taxonomies ) ) {
|
|
$taxonomies = array( $taxonomies );
|
|
}
|
|
|
|
foreach ( $taxonomies as $taxonomy ) {
|
|
if ( ! taxonomy_exists( $taxonomy ) ) {
|
|
return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
|
|
}
|
|
}
|
|
|
|
if ( ! is_array( $object_ids ) ) {
|
|
$object_ids = array( $object_ids );
|
|
}
|
|
$object_ids = array_map( 'intval', $object_ids );
|
|
|
|
$args = wp_parse_args( $args );
|
|
|
|
/**
|
|
* Filter arguments for retrieving object terms.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @param array $args An array of arguments for retrieving terms for the given object(s).
|
|
* See {@see wp_get_object_terms()} for details.
|
|
* @param int[] $object_ids Array of object IDs.
|
|
* @param string[] $taxonomies Array of taxonomy names to retrieve terms from.
|
|
*/
|
|
$args = apply_filters( 'wp_get_object_terms_args', $args, $object_ids, $taxonomies );
|
|
|
|
/*
|
|
* When one or more queried taxonomies is registered with an 'args' array,
|
|
* those params override the `$args` passed to this function.
|
|
*/
|
|
$terms = array();
|
|
if ( count( $taxonomies ) > 1 ) {
|
|
foreach ( $taxonomies as $index => $taxonomy ) {
|
|
$t = get_taxonomy( $taxonomy );
|
|
if ( isset( $t->args ) && is_array( $t->args ) && array_merge( $args, $t->args ) != $args ) {
|
|
unset( $taxonomies[ $index ] );
|
|
$terms = array_merge( $terms, wp_get_object_terms( $object_ids, $taxonomy, array_merge( $args, $t->args ) ) );
|
|
}
|
|
}
|
|
} else {
|
|
$t = get_taxonomy( $taxonomies[0] );
|
|
if ( isset( $t->args ) && is_array( $t->args ) ) {
|
|
$args = array_merge( $args, $t->args );
|
|
}
|
|
}
|
|
|
|
$args['taxonomy'] = $taxonomies;
|
|
$args['object_ids'] = $object_ids;
|
|
|
|
// Taxonomies registered without an 'args' param are handled here.
|
|
if ( ! empty( $taxonomies ) ) {
|
|
$terms_from_remaining_taxonomies = get_terms( $args );
|
|
|
|
// Array keys should be preserved for values of $fields that use term_id for keys.
|
|
if ( ! empty( $args['fields'] ) && 0 === strpos( $args['fields'], 'id=>' ) ) {
|
|
$terms = $terms + $terms_from_remaining_taxonomies;
|
|
} else {
|
|
$terms = array_merge( $terms, $terms_from_remaining_taxonomies );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filters the terms for a given object or objects.
|
|
*
|
|
* @since 4.2.0
|
|
*
|
|
* @param array $terms Array of terms for the given object or objects.
|
|
* @param int[] $object_ids Array of object IDs for which terms were retrieved.
|
|
* @param string[] $taxonomies Array of taxonomy names from which terms were retrieved.
|
|
* @param array $args Array of arguments for retrieving terms for the given
|
|
* object(s). See wp_get_object_terms() for details.
|
|
*/
|
|
$terms = apply_filters( 'get_object_terms', $terms, $object_ids, $taxonomies, $args );
|
|
|
|
$object_ids = implode( ',', $object_ids );
|
|
$taxonomies = "'" . implode( "', '", array_map( 'esc_sql', $taxonomies ) ) . "'";
|
|
|
|
/**
|
|
* Filters the terms for a given object or objects.
|
|
*
|
|
* The `$taxonomies` parameter passed to this filter is formatted as a SQL fragment. The
|
|
* {@see 'get_object_terms'} filter is recommended as an alternative.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @param array $terms Array of terms for the given object or objects.
|
|
* @param int[] $object_ids Array of object IDs for which terms were retrieved.
|
|
* @param string[] $taxonomies Array of taxonomy names from which terms were retrieved.
|
|
* @param array $args Array of arguments for retrieving terms for the given
|
|
* object(s). See wp_get_object_terms() for details.
|
|
*/
|
|
return apply_filters( 'wp_get_object_terms', $terms, $object_ids, $taxonomies, $args );
|
|
}
|
|
|
|
/**
|
|
* Add a new term to the database.
|
|
*
|
|
* A non-existent term is inserted in the following sequence:
|
|
* 1. The term is added to the term table, then related to the taxonomy.
|
|
* 2. If everything is correct, several actions are fired.
|
|
* 3. The 'term_id_filter' is evaluated.
|
|
* 4. The term cache is cleaned.
|
|
* 5. Several more actions are fired.
|
|
* 6. An array is returned containing the term_id and term_taxonomy_id.
|
|
*
|
|
* If the 'slug' argument is not empty, then it is checked to see if the term
|
|
* is invalid. If it is not a valid, existing term, it is added and the term_id
|
|
* is given.
|
|
*
|
|
* If the taxonomy is hierarchical, and the 'parent' argument is not empty,
|
|
* the term is inserted and the term_id will be given.
|
|
*
|
|
* Error handling:
|
|
* If $taxonomy does not exist or $term is empty,
|
|
* a WP_Error object will be returned.
|
|
*
|
|
* If the term already exists on the same hierarchical level,
|
|
* or the term slug and name are not unique, a WP_Error object will be returned.
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string $term The term name to add or update.
|
|
* @param string $taxonomy The taxonomy to which to add the term.
|
|
* @param array|string $args {
|
|
* Optional. Array or string of arguments for inserting a term.
|
|
*
|
|
* @type string $alias_of Slug of the term to make this term an alias of.
|
|
* Default empty string. Accepts a term slug.
|
|
* @type string $description The term description. Default empty string.
|
|
* @type int $parent The id of the parent term. Default 0.
|
|
* @type string $slug The term slug to use. Default empty string.
|
|
* }
|
|
* @return array|WP_Error An array containing the `term_id` and `term_taxonomy_id`,
|
|
* WP_Error otherwise.
|
|
*/
|
|
function wp_insert_term( $term, $taxonomy, $args = array() ) {
|
|
global $wpdb;
|
|
|
|
if ( ! taxonomy_exists( $taxonomy ) ) {
|
|
return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
|
|
}
|
|
|
|
/**
|
|
* Filters a term before it is sanitized and inserted into the database.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param string|WP_Error $term The term name to add or update, or a WP_Error object if there's an error.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
$term = apply_filters( 'pre_insert_term', $term, $taxonomy );
|
|
if ( is_wp_error( $term ) ) {
|
|
return $term;
|
|
}
|
|
if ( is_int( $term ) && 0 === $term ) {
|
|
return new WP_Error( 'invalid_term_id', __( 'Invalid term ID.' ) );
|
|
}
|
|
if ( '' === trim( $term ) ) {
|
|
return new WP_Error( 'empty_term_name', __( 'A name is required for this term.' ) );
|
|
}
|
|
$defaults = array(
|
|
'alias_of' => '',
|
|
'description' => '',
|
|
'parent' => 0,
|
|
'slug' => '',
|
|
);
|
|
$args = wp_parse_args( $args, $defaults );
|
|
|
|
if ( $args['parent'] > 0 && ! term_exists( (int) $args['parent'] ) ) {
|
|
return new WP_Error( 'missing_parent', __( 'Parent term does not exist.' ) );
|
|
}
|
|
|
|
$args['name'] = $term;
|
|
$args['taxonomy'] = $taxonomy;
|
|
|
|
// Coerce null description to strings, to avoid database errors.
|
|
$args['description'] = (string) $args['description'];
|
|
|
|
$args = sanitize_term( $args, $taxonomy, 'db' );
|
|
|
|
// expected_slashed ($name)
|
|
$name = wp_unslash( $args['name'] );
|
|
$description = wp_unslash( $args['description'] );
|
|
$parent = (int) $args['parent'];
|
|
|
|
$slug_provided = ! empty( $args['slug'] );
|
|
if ( ! $slug_provided ) {
|
|
$slug = sanitize_title( $name );
|
|
} else {
|
|
$slug = $args['slug'];
|
|
}
|
|
|
|
$term_group = 0;
|
|
if ( $args['alias_of'] ) {
|
|
$alias = get_term_by( 'slug', $args['alias_of'], $taxonomy );
|
|
if ( ! empty( $alias->term_group ) ) {
|
|
// The alias we want is already in a group, so let's use that one.
|
|
$term_group = $alias->term_group;
|
|
} elseif ( ! empty( $alias->term_id ) ) {
|
|
/*
|
|
* The alias is not in a group, so we create a new one
|
|
* and add the alias to it.
|
|
*/
|
|
$term_group = $wpdb->get_var( "SELECT MAX(term_group) FROM $wpdb->terms" ) + 1;
|
|
|
|
wp_update_term(
|
|
$alias->term_id,
|
|
$taxonomy,
|
|
array(
|
|
'term_group' => $term_group,
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Prevent the creation of terms with duplicate names at the same level of a taxonomy hierarchy,
|
|
* unless a unique slug has been explicitly provided.
|
|
*/
|
|
$name_matches = get_terms(
|
|
array(
|
|
'taxonomy' => $taxonomy,
|
|
'name' => $name,
|
|
'hide_empty' => false,
|
|
'parent' => $args['parent'],
|
|
'update_term_meta_cache' => false,
|
|
)
|
|
);
|
|
|
|
/*
|
|
* The `name` match in `get_terms()` doesn't differentiate accented characters,
|
|
* so we do a stricter comparison here.
|
|
*/
|
|
$name_match = null;
|
|
if ( $name_matches ) {
|
|
foreach ( $name_matches as $_match ) {
|
|
if ( strtolower( $name ) === strtolower( $_match->name ) ) {
|
|
$name_match = $_match;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( $name_match ) {
|
|
$slug_match = get_term_by( 'slug', $slug, $taxonomy );
|
|
if ( ! $slug_provided || $name_match->slug === $slug || $slug_match ) {
|
|
if ( is_taxonomy_hierarchical( $taxonomy ) ) {
|
|
$siblings = get_terms(
|
|
array(
|
|
'taxonomy' => $taxonomy,
|
|
'get' => 'all',
|
|
'parent' => $parent,
|
|
'update_term_meta_cache' => false,
|
|
)
|
|
);
|
|
|
|
$existing_term = null;
|
|
$sibling_names = wp_list_pluck( $siblings, 'name' );
|
|
$sibling_slugs = wp_list_pluck( $siblings, 'slug' );
|
|
|
|
if ( ( ! $slug_provided || $name_match->slug === $slug ) && in_array( $name, $sibling_names, true ) ) {
|
|
$existing_term = $name_match;
|
|
} elseif ( $slug_match && in_array( $slug, $sibling_slugs, true ) ) {
|
|
$existing_term = $slug_match;
|
|
}
|
|
|
|
if ( $existing_term ) {
|
|
return new WP_Error( 'term_exists', __( 'A term with the name provided already exists with this parent.' ), $existing_term->term_id );
|
|
}
|
|
} else {
|
|
return new WP_Error( 'term_exists', __( 'A term with the name provided already exists in this taxonomy.' ), $name_match->term_id );
|
|
}
|
|
}
|
|
}
|
|
|
|
$slug = wp_unique_term_slug( $slug, (object) $args );
|
|
|
|
$data = compact( 'name', 'slug', 'term_group' );
|
|
|
|
/**
|
|
* Filters term data before it is inserted into the database.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param array $data Term data to be inserted.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
* @param array $args Arguments passed to wp_insert_term().
|
|
*/
|
|
$data = apply_filters( 'wp_insert_term_data', $data, $taxonomy, $args );
|
|
|
|
if ( false === $wpdb->insert( $wpdb->terms, $data ) ) {
|
|
return new WP_Error( 'db_insert_error', __( 'Could not insert term into the database.' ), $wpdb->last_error );
|
|
}
|
|
|
|
$term_id = (int) $wpdb->insert_id;
|
|
|
|
// Seems unreachable. However, is used in the case that a term name is provided, which sanitizes to an empty string.
|
|
if ( empty( $slug ) ) {
|
|
$slug = sanitize_title( $slug, $term_id );
|
|
|
|
/** This action is documented in wp-includes/taxonomy.php */
|
|
do_action( 'edit_terms', $term_id, $taxonomy );
|
|
$wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) );
|
|
|
|
/** This action is documented in wp-includes/taxonomy.php */
|
|
do_action( 'edited_terms', $term_id, $taxonomy );
|
|
}
|
|
|
|
$tt_id = $wpdb->get_var( $wpdb->prepare( "SELECT tt.term_taxonomy_id FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = %s AND t.term_id = %d", $taxonomy, $term_id ) );
|
|
|
|
if ( ! empty( $tt_id ) ) {
|
|
return array(
|
|
'term_id' => $term_id,
|
|
'term_taxonomy_id' => $tt_id,
|
|
);
|
|
}
|
|
|
|
if ( false === $wpdb->insert( $wpdb->term_taxonomy, compact( 'term_id', 'taxonomy', 'description', 'parent' ) + array( 'count' => 0 ) ) ) {
|
|
return new WP_Error( 'db_insert_error', __( 'Could not insert term taxonomy into the database.' ), $wpdb->last_error );
|
|
}
|
|
|
|
$tt_id = (int) $wpdb->insert_id;
|
|
|
|
/*
|
|
* Sanity check: if we just created a term with the same parent + taxonomy + slug but a higher term_id than
|
|
* an existing term, then we have unwittingly created a duplicate term. Delete the dupe, and use the term_id
|
|
* and term_taxonomy_id of the older term instead. Then return out of the function so that the "create" hooks
|
|
* are not fired.
|
|
*/
|
|
$duplicate_term = $wpdb->get_row( $wpdb->prepare( "SELECT t.term_id, t.slug, tt.term_taxonomy_id, tt.taxonomy FROM $wpdb->terms t INNER JOIN $wpdb->term_taxonomy tt ON ( tt.term_id = t.term_id ) WHERE t.slug = %s AND tt.parent = %d AND tt.taxonomy = %s AND t.term_id < %d AND tt.term_taxonomy_id != %d", $slug, $parent, $taxonomy, $term_id, $tt_id ) );
|
|
|
|
/**
|
|
* Filters the duplicate term check that takes place during term creation.
|
|
*
|
|
* Term parent+taxonomy+slug combinations are meant to be unique, and wp_insert_term()
|
|
* performs a last-minute confirmation of this uniqueness before allowing a new term
|
|
* to be created. Plugins with different uniqueness requirements may use this filter
|
|
* to bypass or modify the duplicate-term check.
|
|
*
|
|
* @since 5.1.0
|
|
*
|
|
* @param object $duplicate_term Duplicate term row from terms table, if found.
|
|
* @param string $term Term being inserted.
|
|
* @param string $taxonomy Taxonomy name.
|
|
* @param array $args Term arguments passed to the function.
|
|
* @param int $tt_id term_taxonomy_id for the newly created term.
|
|
*/
|
|
$duplicate_term = apply_filters( 'wp_insert_term_duplicate_term_check', $duplicate_term, $term, $taxonomy, $args, $tt_id );
|
|
|
|
if ( $duplicate_term ) {
|
|
$wpdb->delete( $wpdb->terms, array( 'term_id' => $term_id ) );
|
|
$wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) );
|
|
|
|
$term_id = (int) $duplicate_term->term_id;
|
|
$tt_id = (int) $duplicate_term->term_taxonomy_id;
|
|
|
|
clean_term_cache( $term_id, $taxonomy );
|
|
return array(
|
|
'term_id' => $term_id,
|
|
'term_taxonomy_id' => $tt_id,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Fires immediately after a new term is created, before the term cache is cleaned.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param int $tt_id Term taxonomy ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
do_action( 'create_term', $term_id, $tt_id, $taxonomy );
|
|
|
|
/**
|
|
* Fires after a new term is created for a specific taxonomy.
|
|
*
|
|
* The dynamic portion of the hook name, `$taxonomy`, refers
|
|
* to the slug of the taxonomy the term was created for.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param int $tt_id Term taxonomy ID.
|
|
*/
|
|
do_action( "create_{$taxonomy}", $term_id, $tt_id );
|
|
|
|
/**
|
|
* Filters the term ID after a new term is created.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param int $tt_id Taxonomy term ID.
|
|
*/
|
|
$term_id = apply_filters( 'term_id_filter', $term_id, $tt_id );
|
|
|
|
clean_term_cache( $term_id, $taxonomy );
|
|
|
|
/**
|
|
* Fires after a new term is created, and after the term cache has been cleaned.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param int $tt_id Term taxonomy ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
do_action( 'created_term', $term_id, $tt_id, $taxonomy );
|
|
|
|
/**
|
|
* Fires after a new term in a specific taxonomy is created, and after the term
|
|
* cache has been cleaned.
|
|
*
|
|
* The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param int $tt_id Term taxonomy ID.
|
|
*/
|
|
do_action( "created_{$taxonomy}", $term_id, $tt_id );
|
|
|
|
return array(
|
|
'term_id' => $term_id,
|
|
'term_taxonomy_id' => $tt_id,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Create Term and Taxonomy Relationships.
|
|
*
|
|
* Relates an object (post, link etc) to a term and taxonomy type. Creates the
|
|
* term and taxonomy relationship if it doesn't already exist. Creates a term if
|
|
* it doesn't exist (using the slug).
|
|
*
|
|
* A relationship means that the term is grouped in or belongs to the taxonomy.
|
|
* A term has no meaning until it is given context by defining which taxonomy it
|
|
* exists under.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param int $object_id The object to relate to.
|
|
* @param string|int|array $terms A single term slug, single term id, or array of either term slugs or ids.
|
|
* Will replace all existing related terms in this taxonomy. Passing an
|
|
* empty value will remove all related terms.
|
|
* @param string $taxonomy The context in which to relate the term to the object.
|
|
* @param bool $append Optional. If false will delete difference of terms. Default false.
|
|
* @return array|WP_Error Term taxonomy IDs of the affected terms or WP_Error on failure.
|
|
*/
|
|
function wp_set_object_terms( $object_id, $terms, $taxonomy, $append = false ) {
|
|
global $wpdb;
|
|
|
|
$object_id = (int) $object_id;
|
|
|
|
if ( ! taxonomy_exists( $taxonomy ) ) {
|
|
return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
|
|
}
|
|
|
|
if ( ! is_array( $terms ) ) {
|
|
$terms = array( $terms );
|
|
}
|
|
|
|
if ( ! $append ) {
|
|
$old_tt_ids = wp_get_object_terms(
|
|
$object_id,
|
|
$taxonomy,
|
|
array(
|
|
'fields' => 'tt_ids',
|
|
'orderby' => 'none',
|
|
'update_term_meta_cache' => false,
|
|
)
|
|
);
|
|
} else {
|
|
$old_tt_ids = array();
|
|
}
|
|
|
|
$tt_ids = array();
|
|
$term_ids = array();
|
|
$new_tt_ids = array();
|
|
|
|
foreach ( (array) $terms as $term ) {
|
|
if ( '' === trim( $term ) ) {
|
|
continue;
|
|
}
|
|
|
|
$term_info = term_exists( $term, $taxonomy );
|
|
|
|
if ( ! $term_info ) {
|
|
// Skip if a non-existent term ID is passed.
|
|
if ( is_int( $term ) ) {
|
|
continue;
|
|
}
|
|
|
|
$term_info = wp_insert_term( $term, $taxonomy );
|
|
}
|
|
|
|
if ( is_wp_error( $term_info ) ) {
|
|
return $term_info;
|
|
}
|
|
|
|
$term_ids[] = $term_info['term_id'];
|
|
$tt_id = $term_info['term_taxonomy_id'];
|
|
$tt_ids[] = $tt_id;
|
|
|
|
if ( $wpdb->get_var( $wpdb->prepare( "SELECT term_taxonomy_id FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id = %d", $object_id, $tt_id ) ) ) {
|
|
continue;
|
|
}
|
|
|
|
/**
|
|
* Fires immediately before an object-term relationship is added.
|
|
*
|
|
* @since 2.9.0
|
|
* @since 4.7.0 Added the `$taxonomy` parameter.
|
|
*
|
|
* @param int $object_id Object ID.
|
|
* @param int $tt_id Term taxonomy ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
do_action( 'add_term_relationship', $object_id, $tt_id, $taxonomy );
|
|
|
|
$wpdb->insert(
|
|
$wpdb->term_relationships,
|
|
array(
|
|
'object_id' => $object_id,
|
|
'term_taxonomy_id' => $tt_id,
|
|
)
|
|
);
|
|
|
|
/**
|
|
* Fires immediately after an object-term relationship is added.
|
|
*
|
|
* @since 2.9.0
|
|
* @since 4.7.0 Added the `$taxonomy` parameter.
|
|
*
|
|
* @param int $object_id Object ID.
|
|
* @param int $tt_id Term taxonomy ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
do_action( 'added_term_relationship', $object_id, $tt_id, $taxonomy );
|
|
|
|
$new_tt_ids[] = $tt_id;
|
|
}
|
|
|
|
if ( $new_tt_ids ) {
|
|
wp_update_term_count( $new_tt_ids, $taxonomy );
|
|
}
|
|
|
|
if ( ! $append ) {
|
|
$delete_tt_ids = array_diff( $old_tt_ids, $tt_ids );
|
|
|
|
if ( $delete_tt_ids ) {
|
|
$in_delete_tt_ids = "'" . implode( "', '", $delete_tt_ids ) . "'";
|
|
$delete_term_ids = $wpdb->get_col( $wpdb->prepare( "SELECT tt.term_id FROM $wpdb->term_taxonomy AS tt WHERE tt.taxonomy = %s AND tt.term_taxonomy_id IN ($in_delete_tt_ids)", $taxonomy ) );
|
|
$delete_term_ids = array_map( 'intval', $delete_term_ids );
|
|
|
|
$remove = wp_remove_object_terms( $object_id, $delete_term_ids, $taxonomy );
|
|
if ( is_wp_error( $remove ) ) {
|
|
return $remove;
|
|
}
|
|
}
|
|
}
|
|
|
|
$t = get_taxonomy( $taxonomy );
|
|
|
|
if ( ! $append && isset( $t->sort ) && $t->sort ) {
|
|
$values = array();
|
|
$term_order = 0;
|
|
|
|
$final_tt_ids = wp_get_object_terms(
|
|
$object_id,
|
|
$taxonomy,
|
|
array(
|
|
'fields' => 'tt_ids',
|
|
'update_term_meta_cache' => false,
|
|
)
|
|
);
|
|
|
|
foreach ( $tt_ids as $tt_id ) {
|
|
if ( in_array( (int) $tt_id, $final_tt_ids, true ) ) {
|
|
$values[] = $wpdb->prepare( '(%d, %d, %d)', $object_id, $tt_id, ++$term_order );
|
|
}
|
|
}
|
|
|
|
if ( $values ) {
|
|
if ( false === $wpdb->query( "INSERT INTO $wpdb->term_relationships (object_id, term_taxonomy_id, term_order) VALUES " . join( ',', $values ) . ' ON DUPLICATE KEY UPDATE term_order = VALUES(term_order)' ) ) {
|
|
return new WP_Error( 'db_insert_error', __( 'Could not insert term relationship into the database.' ), $wpdb->last_error );
|
|
}
|
|
}
|
|
}
|
|
|
|
wp_cache_delete( $object_id, $taxonomy . '_relationships' );
|
|
wp_cache_delete( 'last_changed', 'terms' );
|
|
|
|
/**
|
|
* Fires after an object's terms have been set.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @param int $object_id Object ID.
|
|
* @param array $terms An array of object terms.
|
|
* @param array $tt_ids An array of term taxonomy IDs.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
* @param bool $append Whether to append new terms to the old terms.
|
|
* @param array $old_tt_ids Old array of term taxonomy IDs.
|
|
*/
|
|
do_action( 'set_object_terms', $object_id, $terms, $tt_ids, $taxonomy, $append, $old_tt_ids );
|
|
|
|
return $tt_ids;
|
|
}
|
|
|
|
/**
|
|
* Add term(s) associated with a given object.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @param int $object_id The ID of the object to which the terms will be added.
|
|
* @param string|int|array $terms The slug(s) or ID(s) of the term(s) to add.
|
|
* @param array|string $taxonomy Taxonomy name.
|
|
* @return array|WP_Error Term taxonomy IDs of the affected terms.
|
|
*/
|
|
function wp_add_object_terms( $object_id, $terms, $taxonomy ) {
|
|
return wp_set_object_terms( $object_id, $terms, $taxonomy, true );
|
|
}
|
|
|
|
/**
|
|
* Remove term(s) associated with a given object.
|
|
*
|
|
* @since 3.6.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param int $object_id The ID of the object from which the terms will be removed.
|
|
* @param string|int|array $terms The slug(s) or ID(s) of the term(s) to remove.
|
|
* @param array|string $taxonomy Taxonomy name.
|
|
* @return bool|WP_Error True on success, false or WP_Error on failure.
|
|
*/
|
|
function wp_remove_object_terms( $object_id, $terms, $taxonomy ) {
|
|
global $wpdb;
|
|
|
|
$object_id = (int) $object_id;
|
|
|
|
if ( ! taxonomy_exists( $taxonomy ) ) {
|
|
return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
|
|
}
|
|
|
|
if ( ! is_array( $terms ) ) {
|
|
$terms = array( $terms );
|
|
}
|
|
|
|
$tt_ids = array();
|
|
|
|
foreach ( (array) $terms as $term ) {
|
|
if ( '' === trim( $term ) ) {
|
|
continue;
|
|
}
|
|
|
|
$term_info = term_exists( $term, $taxonomy );
|
|
if ( ! $term_info ) {
|
|
// Skip if a non-existent term ID is passed.
|
|
if ( is_int( $term ) ) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if ( is_wp_error( $term_info ) ) {
|
|
return $term_info;
|
|
}
|
|
|
|
$tt_ids[] = $term_info['term_taxonomy_id'];
|
|
}
|
|
|
|
if ( $tt_ids ) {
|
|
$in_tt_ids = "'" . implode( "', '", $tt_ids ) . "'";
|
|
|
|
/**
|
|
* Fires immediately before an object-term relationship is deleted.
|
|
*
|
|
* @since 2.9.0
|
|
* @since 4.7.0 Added the `$taxonomy` parameter.
|
|
*
|
|
* @param int $object_id Object ID.
|
|
* @param array $tt_ids An array of term taxonomy IDs.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
do_action( 'delete_term_relationships', $object_id, $tt_ids, $taxonomy );
|
|
$deleted = $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id IN ($in_tt_ids)", $object_id ) );
|
|
|
|
wp_cache_delete( $object_id, $taxonomy . '_relationships' );
|
|
wp_cache_delete( 'last_changed', 'terms' );
|
|
|
|
/**
|
|
* Fires immediately after an object-term relationship is deleted.
|
|
*
|
|
* @since 2.9.0
|
|
* @since 4.7.0 Added the `$taxonomy` parameter.
|
|
*
|
|
* @param int $object_id Object ID.
|
|
* @param array $tt_ids An array of term taxonomy IDs.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
do_action( 'deleted_term_relationships', $object_id, $tt_ids, $taxonomy );
|
|
|
|
wp_update_term_count( $tt_ids, $taxonomy );
|
|
|
|
return (bool) $deleted;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Will make slug unique, if it isn't already.
|
|
*
|
|
* The `$slug` has to be unique global to every taxonomy, meaning that one
|
|
* taxonomy term can't have a matching slug with another taxonomy term. Each
|
|
* slug has to be globally unique for every taxonomy.
|
|
*
|
|
* The way this works is that if the taxonomy that the term belongs to is
|
|
* hierarchical and has a parent, it will append that parent to the $slug.
|
|
*
|
|
* If that still doesn't return a unique slug, then it tries to append a number
|
|
* until it finds a number that is truly unique.
|
|
*
|
|
* The only purpose for `$term` is for appending a parent, if one exists.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param string $slug The string that will be tried for a unique slug.
|
|
* @param object $term The term object that the `$slug` will belong to.
|
|
* @return string Will return a true unique slug.
|
|
*/
|
|
function wp_unique_term_slug( $slug, $term ) {
|
|
global $wpdb;
|
|
|
|
$needs_suffix = true;
|
|
$original_slug = $slug;
|
|
|
|
// As of 4.1, duplicate slugs are allowed as long as they're in different taxonomies.
|
|
if ( ! term_exists( $slug ) || get_option( 'db_version' ) >= 30133 && ! get_term_by( 'slug', $slug, $term->taxonomy ) ) {
|
|
$needs_suffix = false;
|
|
}
|
|
|
|
/*
|
|
* If the taxonomy supports hierarchy and the term has a parent, make the slug unique
|
|
* by incorporating parent slugs.
|
|
*/
|
|
$parent_suffix = '';
|
|
if ( $needs_suffix && is_taxonomy_hierarchical( $term->taxonomy ) && ! empty( $term->parent ) ) {
|
|
$the_parent = $term->parent;
|
|
while ( ! empty( $the_parent ) ) {
|
|
$parent_term = get_term( $the_parent, $term->taxonomy );
|
|
if ( is_wp_error( $parent_term ) || empty( $parent_term ) ) {
|
|
break;
|
|
}
|
|
$parent_suffix .= '-' . $parent_term->slug;
|
|
if ( ! term_exists( $slug . $parent_suffix ) ) {
|
|
break;
|
|
}
|
|
|
|
if ( empty( $parent_term->parent ) ) {
|
|
break;
|
|
}
|
|
$the_parent = $parent_term->parent;
|
|
}
|
|
}
|
|
|
|
// If we didn't get a unique slug, try appending a number to make it unique.
|
|
|
|
/**
|
|
* Filters whether the proposed unique term slug is bad.
|
|
*
|
|
* @since 4.3.0
|
|
*
|
|
* @param bool $needs_suffix Whether the slug needs to be made unique with a suffix.
|
|
* @param string $slug The slug.
|
|
* @param object $term Term object.
|
|
*/
|
|
if ( apply_filters( 'wp_unique_term_slug_is_bad_slug', $needs_suffix, $slug, $term ) ) {
|
|
if ( $parent_suffix ) {
|
|
$slug .= $parent_suffix;
|
|
}
|
|
|
|
if ( ! empty( $term->term_id ) ) {
|
|
$query = $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s AND term_id != %d", $slug, $term->term_id );
|
|
} else {
|
|
$query = $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s", $slug );
|
|
}
|
|
|
|
if ( $wpdb->get_var( $query ) ) { // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
|
|
$num = 2;
|
|
do {
|
|
$alt_slug = $slug . "-$num";
|
|
$num++;
|
|
$slug_check = $wpdb->get_var( $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s", $alt_slug ) );
|
|
} while ( $slug_check );
|
|
$slug = $alt_slug;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filters the unique term slug.
|
|
*
|
|
* @since 4.3.0
|
|
*
|
|
* @param string $slug Unique term slug.
|
|
* @param object $term Term object.
|
|
* @param string $original_slug Slug originally passed to the function for testing.
|
|
*/
|
|
return apply_filters( 'wp_unique_term_slug', $slug, $term, $original_slug );
|
|
}
|
|
|
|
/**
|
|
* Update term based on arguments provided.
|
|
*
|
|
* The $args will indiscriminately override all values with the same field name.
|
|
* Care must be taken to not override important information need to update or
|
|
* update will fail (or perhaps create a new term, neither would be acceptable).
|
|
*
|
|
* Defaults will set 'alias_of', 'description', 'parent', and 'slug' if not
|
|
* defined in $args already.
|
|
*
|
|
* 'alias_of' will create a term group, if it doesn't already exist, and update
|
|
* it for the $term.
|
|
*
|
|
* If the 'slug' argument in $args is missing, then the 'name' in $args will be
|
|
* used. It should also be noted that if you set 'slug' and it isn't unique then
|
|
* a WP_Error will be passed back. If you don't pass any slug, then a unique one
|
|
* will be created for you.
|
|
*
|
|
* For what can be overrode in `$args`, check the term scheme can contain and stay
|
|
* away from the term keys.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param int $term_id The ID of the term
|
|
* @param string $taxonomy The context in which to relate the term to the object.
|
|
* @param array|string $args Optional. Array of get_terms() arguments. Default empty array.
|
|
* @return array|WP_Error Returns Term ID and Taxonomy Term ID
|
|
*/
|
|
function wp_update_term( $term_id, $taxonomy, $args = array() ) {
|
|
global $wpdb;
|
|
|
|
if ( ! taxonomy_exists( $taxonomy ) ) {
|
|
return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
|
|
}
|
|
|
|
$term_id = (int) $term_id;
|
|
|
|
// First, get all of the original args.
|
|
$term = get_term( $term_id, $taxonomy );
|
|
|
|
if ( is_wp_error( $term ) ) {
|
|
return $term;
|
|
}
|
|
|
|
if ( ! $term ) {
|
|
return new WP_Error( 'invalid_term', __( 'Empty Term.' ) );
|
|
}
|
|
|
|
$term = (array) $term->data;
|
|
|
|
// Escape data pulled from DB.
|
|
$term = wp_slash( $term );
|
|
|
|
// Merge old and new args with new args overwriting old ones.
|
|
$args = array_merge( $term, $args );
|
|
|
|
$defaults = array(
|
|
'alias_of' => '',
|
|
'description' => '',
|
|
'parent' => 0,
|
|
'slug' => '',
|
|
);
|
|
$args = wp_parse_args( $args, $defaults );
|
|
$args = sanitize_term( $args, $taxonomy, 'db' );
|
|
$parsed_args = $args;
|
|
|
|
// expected_slashed ($name)
|
|
$name = wp_unslash( $args['name'] );
|
|
$description = wp_unslash( $args['description'] );
|
|
|
|
$parsed_args['name'] = $name;
|
|
$parsed_args['description'] = $description;
|
|
|
|
if ( '' === trim( $name ) ) {
|
|
return new WP_Error( 'empty_term_name', __( 'A name is required for this term.' ) );
|
|
}
|
|
|
|
if ( $parsed_args['parent'] > 0 && ! term_exists( (int) $parsed_args['parent'] ) ) {
|
|
return new WP_Error( 'missing_parent', __( 'Parent term does not exist.' ) );
|
|
}
|
|
|
|
$empty_slug = false;
|
|
if ( empty( $args['slug'] ) ) {
|
|
$empty_slug = true;
|
|
$slug = sanitize_title( $name );
|
|
} else {
|
|
$slug = $args['slug'];
|
|
}
|
|
|
|
$parsed_args['slug'] = $slug;
|
|
|
|
$term_group = isset( $parsed_args['term_group'] ) ? $parsed_args['term_group'] : 0;
|
|
if ( $args['alias_of'] ) {
|
|
$alias = get_term_by( 'slug', $args['alias_of'], $taxonomy );
|
|
if ( ! empty( $alias->term_group ) ) {
|
|
// The alias we want is already in a group, so let's use that one.
|
|
$term_group = $alias->term_group;
|
|
} elseif ( ! empty( $alias->term_id ) ) {
|
|
/*
|
|
* The alias is not in a group, so we create a new one
|
|
* and add the alias to it.
|
|
*/
|
|
$term_group = $wpdb->get_var( "SELECT MAX(term_group) FROM $wpdb->terms" ) + 1;
|
|
|
|
wp_update_term(
|
|
$alias->term_id,
|
|
$taxonomy,
|
|
array(
|
|
'term_group' => $term_group,
|
|
)
|
|
);
|
|
}
|
|
|
|
$parsed_args['term_group'] = $term_group;
|
|
}
|
|
|
|
/**
|
|
* Filters the term parent.
|
|
*
|
|
* Hook to this filter to see if it will cause a hierarchy loop.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param int $parent ID of the parent term.
|
|
* @param int $term_id Term ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
* @param array $parsed_args An array of potentially altered update arguments for the given term.
|
|
* @param array $args An array of update arguments for the given term.
|
|
*/
|
|
$parent = (int) apply_filters( 'wp_update_term_parent', $args['parent'], $term_id, $taxonomy, $parsed_args, $args );
|
|
|
|
// Check for duplicate slug.
|
|
$duplicate = get_term_by( 'slug', $slug, $taxonomy );
|
|
if ( $duplicate && $duplicate->term_id !== $term_id ) {
|
|
// If an empty slug was passed or the parent changed, reset the slug to something unique.
|
|
// Otherwise, bail.
|
|
if ( $empty_slug || ( $parent !== (int) $term['parent'] ) ) {
|
|
$slug = wp_unique_term_slug( $slug, (object) $args );
|
|
} else {
|
|
/* translators: %s: Taxonomy term slug. */
|
|
return new WP_Error( 'duplicate_term_slug', sprintf( __( 'The slug “%s” is already in use by another term.' ), $slug ) );
|
|
}
|
|
}
|
|
|
|
$tt_id = (int) $wpdb->get_var( $wpdb->prepare( "SELECT tt.term_taxonomy_id FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = %s AND t.term_id = %d", $taxonomy, $term_id ) );
|
|
|
|
// Check whether this is a shared term that needs splitting.
|
|
$_term_id = _split_shared_term( $term_id, $tt_id );
|
|
if ( ! is_wp_error( $_term_id ) ) {
|
|
$term_id = $_term_id;
|
|
}
|
|
|
|
/**
|
|
* Fires immediately before the given terms are edited.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
do_action( 'edit_terms', $term_id, $taxonomy );
|
|
|
|
$data = compact( 'name', 'slug', 'term_group' );
|
|
|
|
/**
|
|
* Filters term data before it is updated in the database.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param array $data Term data to be updated.
|
|
* @param int $term_id Term ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
* @param array $args Arguments passed to wp_update_term().
|
|
*/
|
|
$data = apply_filters( 'wp_update_term_data', $data, $term_id, $taxonomy, $args );
|
|
|
|
$wpdb->update( $wpdb->terms, $data, compact( 'term_id' ) );
|
|
if ( empty( $slug ) ) {
|
|
$slug = sanitize_title( $name, $term_id );
|
|
$wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) );
|
|
}
|
|
|
|
/**
|
|
* Fires immediately after the given terms are edited.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param int $term_id Term ID
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
do_action( 'edited_terms', $term_id, $taxonomy );
|
|
|
|
/**
|
|
* Fires immediate before a term-taxonomy relationship is updated.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param int $tt_id Term taxonomy ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
do_action( 'edit_term_taxonomy', $tt_id, $taxonomy );
|
|
|
|
$wpdb->update( $wpdb->term_taxonomy, compact( 'term_id', 'taxonomy', 'description', 'parent' ), array( 'term_taxonomy_id' => $tt_id ) );
|
|
|
|
/**
|
|
* Fires immediately after a term-taxonomy relationship is updated.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param int $tt_id Term taxonomy ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
do_action( 'edited_term_taxonomy', $tt_id, $taxonomy );
|
|
|
|
/**
|
|
* Fires after a term has been updated, but before the term cache has been cleaned.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param int $tt_id Term taxonomy ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
do_action( 'edit_term', $term_id, $tt_id, $taxonomy );
|
|
|
|
/**
|
|
* Fires after a term in a specific taxonomy has been updated, but before the term
|
|
* cache has been cleaned.
|
|
*
|
|
* The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param int $tt_id Term taxonomy ID.
|
|
*/
|
|
do_action( "edit_{$taxonomy}", $term_id, $tt_id );
|
|
|
|
/** This filter is documented in wp-includes/taxonomy.php */
|
|
$term_id = apply_filters( 'term_id_filter', $term_id, $tt_id );
|
|
|
|
clean_term_cache( $term_id, $taxonomy );
|
|
|
|
/**
|
|
* Fires after a term has been updated, and the term cache has been cleaned.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param int $tt_id Term taxonomy ID.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
do_action( 'edited_term', $term_id, $tt_id, $taxonomy );
|
|
|
|
/**
|
|
* Fires after a term for a specific taxonomy has been updated, and the term
|
|
* cache has been cleaned.
|
|
*
|
|
* The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param int $tt_id Term taxonomy ID.
|
|
*/
|
|
do_action( "edited_{$taxonomy}", $term_id, $tt_id );
|
|
|
|
return array(
|
|
'term_id' => $term_id,
|
|
'term_taxonomy_id' => $tt_id,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Enable or disable term counting.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @staticvar bool $_defer
|
|
*
|
|
* @param bool $defer Optional. Enable if true, disable if false.
|
|
* @return bool Whether term counting is enabled or disabled.
|
|
*/
|
|
function wp_defer_term_counting( $defer = null ) {
|
|
static $_defer = false;
|
|
|
|
if ( is_bool( $defer ) ) {
|
|
$_defer = $defer;
|
|
// Flush any deferred counts.
|
|
if ( ! $defer ) {
|
|
wp_update_term_count( null, null, true );
|
|
}
|
|
}
|
|
|
|
return $_defer;
|
|
}
|
|
|
|
/**
|
|
* Updates the amount of terms in taxonomy.
|
|
*
|
|
* If there is a taxonomy callback applied, then it will be called for updating
|
|
* the count.
|
|
*
|
|
* The default action is to count what the amount of terms have the relationship
|
|
* of term ID. Once that is done, then update the database.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @staticvar array $_deferred
|
|
*
|
|
* @param int|array $terms The term_taxonomy_id of the terms.
|
|
* @param string $taxonomy The context of the term.
|
|
* @param bool $do_deferred Whether to flush the deferred term counts too. Default false.
|
|
* @return bool If no terms will return false, and if successful will return true.
|
|
*/
|
|
function wp_update_term_count( $terms, $taxonomy, $do_deferred = false ) {
|
|
static $_deferred = array();
|
|
|
|
if ( $do_deferred ) {
|
|
foreach ( (array) array_keys( $_deferred ) as $tax ) {
|
|
wp_update_term_count_now( $_deferred[ $tax ], $tax );
|
|
unset( $_deferred[ $tax ] );
|
|
}
|
|
}
|
|
|
|
if ( empty( $terms ) ) {
|
|
return false;
|
|
}
|
|
|
|
if ( ! is_array( $terms ) ) {
|
|
$terms = array( $terms );
|
|
}
|
|
|
|
if ( wp_defer_term_counting() ) {
|
|
if ( ! isset( $_deferred[ $taxonomy ] ) ) {
|
|
$_deferred[ $taxonomy ] = array();
|
|
}
|
|
$_deferred[ $taxonomy ] = array_unique( array_merge( $_deferred[ $taxonomy ], $terms ) );
|
|
return true;
|
|
}
|
|
|
|
return wp_update_term_count_now( $terms, $taxonomy );
|
|
}
|
|
|
|
/**
|
|
* Perform term count update immediately.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param array $terms The term_taxonomy_id of terms to update.
|
|
* @param string $taxonomy The context of the term.
|
|
* @return true Always true when complete.
|
|
*/
|
|
function wp_update_term_count_now( $terms, $taxonomy ) {
|
|
$terms = array_map( 'intval', $terms );
|
|
|
|
$taxonomy = get_taxonomy( $taxonomy );
|
|
if ( ! empty( $taxonomy->update_count_callback ) ) {
|
|
call_user_func( $taxonomy->update_count_callback, $terms, $taxonomy );
|
|
} else {
|
|
$object_types = (array) $taxonomy->object_type;
|
|
foreach ( $object_types as &$object_type ) {
|
|
if ( 0 === strpos( $object_type, 'attachment:' ) ) {
|
|
list( $object_type ) = explode( ':', $object_type );
|
|
}
|
|
}
|
|
|
|
if ( array_filter( $object_types, 'post_type_exists' ) == $object_types ) {
|
|
// Only post types are attached to this taxonomy.
|
|
_update_post_term_count( $terms, $taxonomy );
|
|
} else {
|
|
// Default count updater.
|
|
_update_generic_term_count( $terms, $taxonomy );
|
|
}
|
|
}
|
|
|
|
clean_term_cache( $terms, '', false );
|
|
|
|
return true;
|
|
}
|
|
|
|
//
|
|
// Cache.
|
|
//
|
|
|
|
/**
|
|
* Removes the taxonomy relationship to terms from the cache.
|
|
*
|
|
* Will remove the entire taxonomy relationship containing term `$object_id`. The
|
|
* term IDs have to exist within the taxonomy `$object_type` for the deletion to
|
|
* take place.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @global bool $_wp_suspend_cache_invalidation
|
|
*
|
|
* @see get_object_taxonomies() for more on $object_type.
|
|
*
|
|
* @param int|array $object_ids Single or list of term object ID(s).
|
|
* @param array|string $object_type The taxonomy object type.
|
|
*/
|
|
function clean_object_term_cache( $object_ids, $object_type ) {
|
|
global $_wp_suspend_cache_invalidation;
|
|
|
|
if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
|
|
return;
|
|
}
|
|
|
|
if ( ! is_array( $object_ids ) ) {
|
|
$object_ids = array( $object_ids );
|
|
}
|
|
|
|
$taxonomies = get_object_taxonomies( $object_type );
|
|
|
|
foreach ( $object_ids as $id ) {
|
|
foreach ( $taxonomies as $taxonomy ) {
|
|
wp_cache_delete( $id, "{$taxonomy}_relationships" );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fires after the object term cache has been cleaned.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param array $object_ids An array of object IDs.
|
|
* @param string $object_type Object type.
|
|
*/
|
|
do_action( 'clean_object_term_cache', $object_ids, $object_type );
|
|
}
|
|
|
|
/**
|
|
* Will remove all of the term ids from the cache.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
* @global bool $_wp_suspend_cache_invalidation
|
|
*
|
|
* @param int|int[] $ids Single or array of term IDs.
|
|
* @param string $taxonomy Optional. Taxonomy slug. Can be empty, in which case the taxonomies of the passed
|
|
* term IDs will be used. Default empty.
|
|
* @param bool $clean_taxonomy Optional. Whether to clean taxonomy wide caches (true), or just individual
|
|
* term object caches (false). Default true.
|
|
*/
|
|
function clean_term_cache( $ids, $taxonomy = '', $clean_taxonomy = true ) {
|
|
global $wpdb, $_wp_suspend_cache_invalidation;
|
|
|
|
if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
|
|
return;
|
|
}
|
|
|
|
if ( ! is_array( $ids ) ) {
|
|
$ids = array( $ids );
|
|
}
|
|
|
|
$taxonomies = array();
|
|
// If no taxonomy, assume tt_ids.
|
|
if ( empty( $taxonomy ) ) {
|
|
$tt_ids = array_map( 'intval', $ids );
|
|
$tt_ids = implode( ', ', $tt_ids );
|
|
$terms = $wpdb->get_results( "SELECT term_id, taxonomy FROM $wpdb->term_taxonomy WHERE term_taxonomy_id IN ($tt_ids)" );
|
|
$ids = array();
|
|
|
|
foreach ( (array) $terms as $term ) {
|
|
$taxonomies[] = $term->taxonomy;
|
|
$ids[] = $term->term_id;
|
|
wp_cache_delete( $term->term_id, 'terms' );
|
|
}
|
|
|
|
$taxonomies = array_unique( $taxonomies );
|
|
} else {
|
|
$taxonomies = array( $taxonomy );
|
|
|
|
foreach ( $taxonomies as $taxonomy ) {
|
|
foreach ( $ids as $id ) {
|
|
wp_cache_delete( $id, 'terms' );
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach ( $taxonomies as $taxonomy ) {
|
|
if ( $clean_taxonomy ) {
|
|
clean_taxonomy_cache( $taxonomy );
|
|
}
|
|
|
|
/**
|
|
* Fires once after each taxonomy's term cache has been cleaned.
|
|
*
|
|
* @since 2.5.0
|
|
* @since 4.5.0 Added the `$clean_taxonomy` parameter.
|
|
*
|
|
* @param array $ids An array of term IDs.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
* @param bool $clean_taxonomy Whether or not to clean taxonomy-wide caches
|
|
*/
|
|
do_action( 'clean_term_cache', $ids, $taxonomy, $clean_taxonomy );
|
|
}
|
|
|
|
wp_cache_set( 'last_changed', microtime(), 'terms' );
|
|
}
|
|
|
|
/**
|
|
* Clean the caches for a taxonomy.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
function clean_taxonomy_cache( $taxonomy ) {
|
|
wp_cache_delete( 'all_ids', $taxonomy );
|
|
wp_cache_delete( 'get', $taxonomy );
|
|
|
|
// Regenerate cached hierarchy.
|
|
delete_option( "{$taxonomy}_children" );
|
|
_get_term_hierarchy( $taxonomy );
|
|
|
|
/**
|
|
* Fires after a taxonomy's caches have been cleaned.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
do_action( 'clean_taxonomy_cache', $taxonomy );
|
|
}
|
|
|
|
/**
|
|
* Retrieves the cached term objects for the given object ID.
|
|
*
|
|
* Upstream functions (like get_the_terms() and is_object_in_term()) are
|
|
* responsible for populating the object-term relationship cache. The current
|
|
* function only fetches relationship data that is already in the cache.
|
|
*
|
|
* @since 2.3.0
|
|
* @since 4.7.0 Returns a `WP_Error` object if there's an error with
|
|
* any of the matched terms.
|
|
*
|
|
* @param int $id Term object ID, for example a post, comment, or user ID.
|
|
* @param string $taxonomy Taxonomy name.
|
|
* @return bool|WP_Term[]|WP_Error Array of `WP_Term` objects, if cached.
|
|
* False if cache is empty for `$taxonomy` and `$id`.
|
|
* WP_Error if get_term() returns an error object for any term.
|
|
*/
|
|
function get_object_term_cache( $id, $taxonomy ) {
|
|
$_term_ids = wp_cache_get( $id, "{$taxonomy}_relationships" );
|
|
|
|
// We leave the priming of relationship caches to upstream functions.
|
|
if ( false === $_term_ids ) {
|
|
return false;
|
|
}
|
|
|
|
// Backward compatibility for if a plugin is putting objects into the cache, rather than IDs.
|
|
$term_ids = array();
|
|
foreach ( $_term_ids as $term_id ) {
|
|
if ( is_numeric( $term_id ) ) {
|
|
$term_ids[] = intval( $term_id );
|
|
} elseif ( isset( $term_id->term_id ) ) {
|
|
$term_ids[] = intval( $term_id->term_id );
|
|
}
|
|
}
|
|
|
|
// Fill the term objects.
|
|
_prime_term_caches( $term_ids );
|
|
|
|
$terms = array();
|
|
foreach ( $term_ids as $term_id ) {
|
|
$term = get_term( $term_id, $taxonomy );
|
|
if ( is_wp_error( $term ) ) {
|
|
return $term;
|
|
}
|
|
|
|
$terms[] = $term;
|
|
}
|
|
|
|
return $terms;
|
|
}
|
|
|
|
/**
|
|
* Updates the cache for the given term object ID(s).
|
|
*
|
|
* Note: Due to performance concerns, great care should be taken to only update
|
|
* term caches when necessary. Processing time can increase exponentially depending
|
|
* on both the number of passed term IDs and the number of taxonomies those terms
|
|
* belong to.
|
|
*
|
|
* Caches will only be updated for terms not already cached.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string|int[] $object_ids Comma-separated list or array of term object IDs.
|
|
* @param string|string[] $object_type The taxonomy object type or array of the same.
|
|
* @return void|false False if all of the terms in `$object_ids` are already cached.
|
|
*/
|
|
function update_object_term_cache( $object_ids, $object_type ) {
|
|
if ( empty( $object_ids ) ) {
|
|
return;
|
|
}
|
|
|
|
if ( ! is_array( $object_ids ) ) {
|
|
$object_ids = explode( ',', $object_ids );
|
|
}
|
|
|
|
$object_ids = array_map( 'intval', $object_ids );
|
|
$non_cached_ids = array();
|
|
|
|
$taxonomies = get_object_taxonomies( $object_type );
|
|
|
|
foreach ( $taxonomies as $taxonomy ) {
|
|
$cache_values = wp_cache_get_multiple( (array) $object_ids, "{$taxonomy}_relationships" );
|
|
|
|
foreach ( $cache_values as $id => $value ) {
|
|
if ( false === $value ) {
|
|
$non_cached_ids[] = $id;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( empty( $non_cached_ids ) ) {
|
|
return false;
|
|
}
|
|
|
|
$terms = wp_get_object_terms(
|
|
$non_cached_ids,
|
|
$taxonomies,
|
|
array(
|
|
'fields' => 'all_with_object_id',
|
|
'orderby' => 'name',
|
|
'update_term_meta_cache' => false,
|
|
)
|
|
);
|
|
|
|
$object_terms = array();
|
|
foreach ( (array) $terms as $term ) {
|
|
$object_terms[ $term->object_id ][ $term->taxonomy ][] = $term->term_id;
|
|
}
|
|
|
|
foreach ( $non_cached_ids as $id ) {
|
|
foreach ( $taxonomies as $taxonomy ) {
|
|
if ( ! isset( $object_terms[ $id ][ $taxonomy ] ) ) {
|
|
if ( ! isset( $object_terms[ $id ] ) ) {
|
|
$object_terms[ $id ] = array();
|
|
}
|
|
$object_terms[ $id ][ $taxonomy ] = array();
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach ( $object_terms as $id => $value ) {
|
|
foreach ( $value as $taxonomy => $terms ) {
|
|
wp_cache_add( $id, $terms, "{$taxonomy}_relationships" );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Updates Terms to Taxonomy in cache.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param WP_Term[] $terms Array of term objects to change.
|
|
* @param string $taxonomy Not used.
|
|
*/
|
|
function update_term_cache( $terms, $taxonomy = '' ) {
|
|
foreach ( (array) $terms as $term ) {
|
|
// Create a copy in case the array was passed by reference.
|
|
$_term = clone $term;
|
|
|
|
// Object ID should not be cached.
|
|
unset( $_term->object_id );
|
|
|
|
wp_cache_add( $term->term_id, $_term, 'terms' );
|
|
}
|
|
}
|
|
|
|
//
|
|
// Private.
|
|
//
|
|
|
|
/**
|
|
* Retrieves children of taxonomy as Term IDs.
|
|
*
|
|
* @access private
|
|
* @since 2.3.0
|
|
*
|
|
* @param string $taxonomy Taxonomy name.
|
|
* @return array Empty if $taxonomy isn't hierarchical or returns children as Term IDs.
|
|
*/
|
|
function _get_term_hierarchy( $taxonomy ) {
|
|
if ( ! is_taxonomy_hierarchical( $taxonomy ) ) {
|
|
return array();
|
|
}
|
|
$children = get_option( "{$taxonomy}_children" );
|
|
|
|
if ( is_array( $children ) ) {
|
|
return $children;
|
|
}
|
|
$children = array();
|
|
$terms = get_terms(
|
|
array(
|
|
'taxonomy' => $taxonomy,
|
|
'get' => 'all',
|
|
'orderby' => 'id',
|
|
'fields' => 'id=>parent',
|
|
'update_term_meta_cache' => false,
|
|
)
|
|
);
|
|
foreach ( $terms as $term_id => $parent ) {
|
|
if ( $parent > 0 ) {
|
|
$children[ $parent ][] = $term_id;
|
|
}
|
|
}
|
|
update_option( "{$taxonomy}_children", $children );
|
|
|
|
return $children;
|
|
}
|
|
|
|
/**
|
|
* Get the subset of $terms that are descendants of $term_id.
|
|
*
|
|
* If `$terms` is an array of objects, then _get_term_children() returns an array of objects.
|
|
* If `$terms` is an array of IDs, then _get_term_children() returns an array of IDs.
|
|
*
|
|
* @access private
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $term_id The ancestor term: all returned terms should be descendants of `$term_id`.
|
|
* @param array $terms The set of terms - either an array of term objects or term IDs - from which those that
|
|
* are descendants of $term_id will be chosen.
|
|
* @param string $taxonomy The taxonomy which determines the hierarchy of the terms.
|
|
* @param array $ancestors Optional. Term ancestors that have already been identified. Passed by reference, to keep
|
|
* track of found terms when recursing the hierarchy. The array of located ancestors is used
|
|
* to prevent infinite recursion loops. For performance, `term_ids` are used as array keys,
|
|
* with 1 as value. Default empty array.
|
|
* @return array|WP_Error The subset of $terms that are descendants of $term_id.
|
|
*/
|
|
function _get_term_children( $term_id, $terms, $taxonomy, &$ancestors = array() ) {
|
|
$empty_array = array();
|
|
if ( empty( $terms ) ) {
|
|
return $empty_array;
|
|
}
|
|
|
|
$term_id = (int) $term_id;
|
|
$term_list = array();
|
|
$has_children = _get_term_hierarchy( $taxonomy );
|
|
|
|
if ( $term_id && ! isset( $has_children[ $term_id ] ) ) {
|
|
return $empty_array;
|
|
}
|
|
|
|
// Include the term itself in the ancestors array, so we can properly detect when a loop has occurred.
|
|
if ( empty( $ancestors ) ) {
|
|
$ancestors[ $term_id ] = 1;
|
|
}
|
|
|
|
foreach ( (array) $terms as $term ) {
|
|
$use_id = false;
|
|
if ( ! is_object( $term ) ) {
|
|
$term = get_term( $term, $taxonomy );
|
|
if ( is_wp_error( $term ) ) {
|
|
return $term;
|
|
}
|
|
$use_id = true;
|
|
}
|
|
|
|
// Don't recurse if we've already identified the term as a child - this indicates a loop.
|
|
if ( isset( $ancestors[ $term->term_id ] ) ) {
|
|
continue;
|
|
}
|
|
|
|
if ( (int) $term->parent === $term_id ) {
|
|
if ( $use_id ) {
|
|
$term_list[] = $term->term_id;
|
|
} else {
|
|
$term_list[] = $term;
|
|
}
|
|
|
|
if ( ! isset( $has_children[ $term->term_id ] ) ) {
|
|
continue;
|
|
}
|
|
|
|
$ancestors[ $term->term_id ] = 1;
|
|
|
|
$children = _get_term_children( $term->term_id, $terms, $taxonomy, $ancestors );
|
|
if ( $children ) {
|
|
$term_list = array_merge( $term_list, $children );
|
|
}
|
|
}
|
|
}
|
|
|
|
return $term_list;
|
|
}
|
|
|
|
/**
|
|
* Add count of children to parent count.
|
|
*
|
|
* Recalculates term counts by including items from child terms. Assumes all
|
|
* relevant children are already in the $terms argument.
|
|
*
|
|
* @access private
|
|
* @since 2.3.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param array $terms List of term objects (passed by reference).
|
|
* @param string $taxonomy Term context.
|
|
*/
|
|
function _pad_term_counts( &$terms, $taxonomy ) {
|
|
global $wpdb;
|
|
|
|
// This function only works for hierarchical taxonomies like post categories.
|
|
if ( ! is_taxonomy_hierarchical( $taxonomy ) ) {
|
|
return;
|
|
}
|
|
|
|
$term_hier = _get_term_hierarchy( $taxonomy );
|
|
|
|
if ( empty( $term_hier ) ) {
|
|
return;
|
|
}
|
|
|
|
$term_items = array();
|
|
$terms_by_id = array();
|
|
$term_ids = array();
|
|
|
|
foreach ( (array) $terms as $key => $term ) {
|
|
$terms_by_id[ $term->term_id ] = & $terms[ $key ];
|
|
$term_ids[ $term->term_taxonomy_id ] = $term->term_id;
|
|
}
|
|
|
|
// Get the object and term ids and stick them in a lookup table.
|
|
$tax_obj = get_taxonomy( $taxonomy );
|
|
$object_types = esc_sql( $tax_obj->object_type );
|
|
$results = $wpdb->get_results( "SELECT object_id, term_taxonomy_id FROM $wpdb->term_relationships INNER JOIN $wpdb->posts ON object_id = ID WHERE term_taxonomy_id IN (" . implode( ',', array_keys( $term_ids ) ) . ") AND post_type IN ('" . implode( "', '", $object_types ) . "') AND post_status = 'publish'" );
|
|
|
|
foreach ( $results as $row ) {
|
|
$id = $term_ids[ $row->term_taxonomy_id ];
|
|
|
|
$term_items[ $id ][ $row->object_id ] = isset( $term_items[ $id ][ $row->object_id ] ) ? ++$term_items[ $id ][ $row->object_id ] : 1;
|
|
}
|
|
|
|
// Touch every ancestor's lookup row for each post in each term.
|
|
foreach ( $term_ids as $term_id ) {
|
|
$child = $term_id;
|
|
$ancestors = array();
|
|
while ( ! empty( $terms_by_id[ $child ] ) && $parent = $terms_by_id[ $child ]->parent ) {
|
|
$ancestors[] = $child;
|
|
|
|
if ( ! empty( $term_items[ $term_id ] ) ) {
|
|
foreach ( $term_items[ $term_id ] as $item_id => $touches ) {
|
|
$term_items[ $parent ][ $item_id ] = isset( $term_items[ $parent ][ $item_id ] ) ? ++$term_items[ $parent ][ $item_id ] : 1;
|
|
}
|
|
}
|
|
|
|
$child = $parent;
|
|
|
|
if ( in_array( $parent, $ancestors, true ) ) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Transfer the touched cells.
|
|
foreach ( (array) $term_items as $id => $items ) {
|
|
if ( isset( $terms_by_id[ $id ] ) ) {
|
|
$terms_by_id[ $id ]->count = count( $items );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds any terms from the given IDs to the cache that do not already exist in cache.
|
|
*
|
|
* @since 4.6.0
|
|
* @access private
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param array $term_ids Array of term IDs.
|
|
* @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true.
|
|
*/
|
|
function _prime_term_caches( $term_ids, $update_meta_cache = true ) {
|
|
global $wpdb;
|
|
|
|
$non_cached_ids = _get_non_cached_ids( $term_ids, 'terms' );
|
|
if ( ! empty( $non_cached_ids ) ) {
|
|
$fresh_terms = $wpdb->get_results( sprintf( "SELECT t.*, tt.* FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE t.term_id IN (%s)", join( ',', array_map( 'intval', $non_cached_ids ) ) ) );
|
|
|
|
update_term_cache( $fresh_terms, $update_meta_cache );
|
|
|
|
if ( $update_meta_cache ) {
|
|
update_termmeta_cache( $non_cached_ids );
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Default callbacks.
|
|
//
|
|
|
|
/**
|
|
* Will update term count based on object types of the current taxonomy.
|
|
*
|
|
* Private function for the default callback for post_tag and category
|
|
* taxonomies.
|
|
*
|
|
* @access private
|
|
* @since 2.3.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param int[] $terms List of Term taxonomy IDs.
|
|
* @param WP_Taxonomy $taxonomy Current taxonomy object of terms.
|
|
*/
|
|
function _update_post_term_count( $terms, $taxonomy ) {
|
|
global $wpdb;
|
|
|
|
$object_types = (array) $taxonomy->object_type;
|
|
|
|
foreach ( $object_types as &$object_type ) {
|
|
list( $object_type ) = explode( ':', $object_type );
|
|
}
|
|
|
|
$object_types = array_unique( $object_types );
|
|
|
|
$check_attachments = array_search( 'attachment', $object_types, true );
|
|
if ( false !== $check_attachments ) {
|
|
unset( $object_types[ $check_attachments ] );
|
|
$check_attachments = true;
|
|
}
|
|
|
|
if ( $object_types ) {
|
|
$object_types = esc_sql( array_filter( $object_types, 'post_type_exists' ) );
|
|
}
|
|
|
|
foreach ( (array) $terms as $term ) {
|
|
$count = 0;
|
|
|
|
// Attachments can be 'inherit' status, we need to base count off the parent's status if so.
|
|
if ( $check_attachments ) {
|
|
$count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts p1 WHERE p1.ID = $wpdb->term_relationships.object_id AND ( post_status = 'publish' OR ( post_status = 'inherit' AND post_parent > 0 AND ( SELECT post_status FROM $wpdb->posts WHERE ID = p1.post_parent ) = 'publish' ) ) AND post_type = 'attachment' AND term_taxonomy_id = %d", $term ) );
|
|
}
|
|
|
|
if ( $object_types ) {
|
|
// phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.QuotedDynamicPlaceholderGeneration
|
|
$count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts WHERE $wpdb->posts.ID = $wpdb->term_relationships.object_id AND post_status = 'publish' AND post_type IN ('" . implode( "', '", $object_types ) . "') AND term_taxonomy_id = %d", $term ) );
|
|
}
|
|
|
|
/** This action is documented in wp-includes/taxonomy.php */
|
|
do_action( 'edit_term_taxonomy', $term, $taxonomy->name );
|
|
$wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) );
|
|
|
|
/** This action is documented in wp-includes/taxonomy.php */
|
|
do_action( 'edited_term_taxonomy', $term, $taxonomy->name );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Will update term count based on number of objects.
|
|
*
|
|
* Default callback for the 'link_category' taxonomy.
|
|
*
|
|
* @since 3.3.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param int[] $terms List of term taxonomy IDs.
|
|
* @param WP_Taxonomy $taxonomy Current taxonomy object of terms.
|
|
*/
|
|
function _update_generic_term_count( $terms, $taxonomy ) {
|
|
global $wpdb;
|
|
|
|
foreach ( (array) $terms as $term ) {
|
|
$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $term ) );
|
|
|
|
/** This action is documented in wp-includes/taxonomy.php */
|
|
do_action( 'edit_term_taxonomy', $term, $taxonomy->name );
|
|
$wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) );
|
|
|
|
/** This action is documented in wp-includes/taxonomy.php */
|
|
do_action( 'edited_term_taxonomy', $term, $taxonomy->name );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create a new term for a term_taxonomy item that currently shares its term
|
|
* with another term_taxonomy.
|
|
*
|
|
* @ignore
|
|
* @since 4.2.0
|
|
* @since 4.3.0 Introduced `$record` parameter. Also, `$term_id` and
|
|
* `$term_taxonomy_id` can now accept objects.
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param int|object $term_id ID of the shared term, or the shared term object.
|
|
* @param int|object $term_taxonomy_id ID of the term_taxonomy item to receive a new term, or the term_taxonomy object
|
|
* (corresponding to a row from the term_taxonomy table).
|
|
* @param bool $record Whether to record data about the split term in the options table. The recording
|
|
* process has the potential to be resource-intensive, so during batch operations
|
|
* it can be beneficial to skip inline recording and do it just once, after the
|
|
* batch is processed. Only set this to `false` if you know what you are doing.
|
|
* Default: true.
|
|
* @return int|WP_Error When the current term does not need to be split (or cannot be split on the current
|
|
* database schema), `$term_id` is returned. When the term is successfully split, the
|
|
* new term_id is returned. A WP_Error is returned for miscellaneous errors.
|
|
*/
|
|
function _split_shared_term( $term_id, $term_taxonomy_id, $record = true ) {
|
|
global $wpdb;
|
|
|
|
if ( is_object( $term_id ) ) {
|
|
$shared_term = $term_id;
|
|
$term_id = intval( $shared_term->term_id );
|
|
}
|
|
|
|
if ( is_object( $term_taxonomy_id ) ) {
|
|
$term_taxonomy = $term_taxonomy_id;
|
|
$term_taxonomy_id = intval( $term_taxonomy->term_taxonomy_id );
|
|
}
|
|
|
|
// If there are no shared term_taxonomy rows, there's nothing to do here.
|
|
$shared_tt_count = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy tt WHERE tt.term_id = %d AND tt.term_taxonomy_id != %d", $term_id, $term_taxonomy_id ) );
|
|
|
|
if ( ! $shared_tt_count ) {
|
|
return $term_id;
|
|
}
|
|
|
|
/*
|
|
* Verify that the term_taxonomy_id passed to the function is actually associated with the term_id.
|
|
* If there's a mismatch, it may mean that the term is already split. Return the actual term_id from the db.
|
|
*/
|
|
$check_term_id = (int) $wpdb->get_var( $wpdb->prepare( "SELECT term_id FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $term_taxonomy_id ) );
|
|
if ( $check_term_id !== $term_id ) {
|
|
return $check_term_id;
|
|
}
|
|
|
|
// Pull up data about the currently shared slug, which we'll use to populate the new one.
|
|
if ( empty( $shared_term ) ) {
|
|
$shared_term = $wpdb->get_row( $wpdb->prepare( "SELECT t.* FROM $wpdb->terms t WHERE t.term_id = %d", $term_id ) );
|
|
}
|
|
|
|
$new_term_data = array(
|
|
'name' => $shared_term->name,
|
|
'slug' => $shared_term->slug,
|
|
'term_group' => $shared_term->term_group,
|
|
);
|
|
|
|
if ( false === $wpdb->insert( $wpdb->terms, $new_term_data ) ) {
|
|
return new WP_Error( 'db_insert_error', __( 'Could not split shared term.' ), $wpdb->last_error );
|
|
}
|
|
|
|
$new_term_id = (int) $wpdb->insert_id;
|
|
|
|
// Update the existing term_taxonomy to point to the newly created term.
|
|
$wpdb->update(
|
|
$wpdb->term_taxonomy,
|
|
array( 'term_id' => $new_term_id ),
|
|
array( 'term_taxonomy_id' => $term_taxonomy_id )
|
|
);
|
|
|
|
// Reassign child terms to the new parent.
|
|
if ( empty( $term_taxonomy ) ) {
|
|
$term_taxonomy = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $term_taxonomy_id ) );
|
|
}
|
|
|
|
$children_tt_ids = $wpdb->get_col( $wpdb->prepare( "SELECT term_taxonomy_id FROM $wpdb->term_taxonomy WHERE parent = %d AND taxonomy = %s", $term_id, $term_taxonomy->taxonomy ) );
|
|
if ( ! empty( $children_tt_ids ) ) {
|
|
foreach ( $children_tt_ids as $child_tt_id ) {
|
|
$wpdb->update(
|
|
$wpdb->term_taxonomy,
|
|
array( 'parent' => $new_term_id ),
|
|
array( 'term_taxonomy_id' => $child_tt_id )
|
|
);
|
|
clean_term_cache( (int) $child_tt_id, '', false );
|
|
}
|
|
} else {
|
|
// If the term has no children, we must force its taxonomy cache to be rebuilt separately.
|
|
clean_term_cache( $new_term_id, $term_taxonomy->taxonomy, false );
|
|
}
|
|
|
|
clean_term_cache( $term_id, $term_taxonomy->taxonomy, false );
|
|
|
|
/*
|
|
* Taxonomy cache clearing is delayed to avoid race conditions that may occur when
|
|
* regenerating the taxonomy's hierarchy tree.
|
|
*/
|
|
$taxonomies_to_clean = array( $term_taxonomy->taxonomy );
|
|
|
|
// Clean the cache for term taxonomies formerly shared with the current term.
|
|
$shared_term_taxonomies = $wpdb->get_col( $wpdb->prepare( "SELECT taxonomy FROM $wpdb->term_taxonomy WHERE term_id = %d", $term_id ) );
|
|
$taxonomies_to_clean = array_merge( $taxonomies_to_clean, $shared_term_taxonomies );
|
|
|
|
foreach ( $taxonomies_to_clean as $taxonomy_to_clean ) {
|
|
clean_taxonomy_cache( $taxonomy_to_clean );
|
|
}
|
|
|
|
// Keep a record of term_ids that have been split, keyed by old term_id. See wp_get_split_term().
|
|
if ( $record ) {
|
|
$split_term_data = get_option( '_split_terms', array() );
|
|
if ( ! isset( $split_term_data[ $term_id ] ) ) {
|
|
$split_term_data[ $term_id ] = array();
|
|
}
|
|
|
|
$split_term_data[ $term_id ][ $term_taxonomy->taxonomy ] = $new_term_id;
|
|
update_option( '_split_terms', $split_term_data );
|
|
}
|
|
|
|
// If we've just split the final shared term, set the "finished" flag.
|
|
$shared_terms_exist = $wpdb->get_results(
|
|
"SELECT tt.term_id, t.*, count(*) as term_tt_count FROM {$wpdb->term_taxonomy} tt
|
|
LEFT JOIN {$wpdb->terms} t ON t.term_id = tt.term_id
|
|
GROUP BY t.term_id
|
|
HAVING term_tt_count > 1
|
|
LIMIT 1"
|
|
);
|
|
if ( ! $shared_terms_exist ) {
|
|
update_option( 'finished_splitting_shared_terms', true );
|
|
}
|
|
|
|
/**
|
|
* Fires after a previously shared taxonomy term is split into two separate terms.
|
|
*
|
|
* @since 4.2.0
|
|
*
|
|
* @param int $term_id ID of the formerly shared term.
|
|
* @param int $new_term_id ID of the new term created for the $term_taxonomy_id.
|
|
* @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split.
|
|
* @param string $taxonomy Taxonomy for the split term.
|
|
*/
|
|
do_action( 'split_shared_term', $term_id, $new_term_id, $term_taxonomy_id, $term_taxonomy->taxonomy );
|
|
|
|
return $new_term_id;
|
|
}
|
|
|
|
/**
|
|
* Splits a batch of shared taxonomy terms.
|
|
*
|
|
* @since 4.3.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*/
|
|
function _wp_batch_split_terms() {
|
|
global $wpdb;
|
|
|
|
$lock_name = 'term_split.lock';
|
|
|
|
// Try to lock.
|
|
$lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_name, time() ) );
|
|
|
|
if ( ! $lock_result ) {
|
|
$lock_result = get_option( $lock_name );
|
|
|
|
// Bail if we were unable to create a lock, or if the existing lock is still valid.
|
|
if ( ! $lock_result || ( $lock_result > ( time() - HOUR_IN_SECONDS ) ) ) {
|
|
wp_schedule_single_event( time() + ( 5 * MINUTE_IN_SECONDS ), 'wp_split_shared_term_batch' );
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Update the lock, as by this point we've definitely got a lock, just need to fire the actions.
|
|
update_option( $lock_name, time() );
|
|
|
|
// Get a list of shared terms (those with more than one associated row in term_taxonomy).
|
|
$shared_terms = $wpdb->get_results(
|
|
"SELECT tt.term_id, t.*, count(*) as term_tt_count FROM {$wpdb->term_taxonomy} tt
|
|
LEFT JOIN {$wpdb->terms} t ON t.term_id = tt.term_id
|
|
GROUP BY t.term_id
|
|
HAVING term_tt_count > 1
|
|
LIMIT 10"
|
|
);
|
|
|
|
// No more terms, we're done here.
|
|
if ( ! $shared_terms ) {
|
|
update_option( 'finished_splitting_shared_terms', true );
|
|
delete_option( $lock_name );
|
|
return;
|
|
}
|
|
|
|
// Shared terms found? We'll need to run this script again.
|
|
wp_schedule_single_event( time() + ( 2 * MINUTE_IN_SECONDS ), 'wp_split_shared_term_batch' );
|
|
|
|
// Rekey shared term array for faster lookups.
|
|
$_shared_terms = array();
|
|
foreach ( $shared_terms as $shared_term ) {
|
|
$term_id = intval( $shared_term->term_id );
|
|
$_shared_terms[ $term_id ] = $shared_term;
|
|
}
|
|
$shared_terms = $_shared_terms;
|
|
|
|
// Get term taxonomy data for all shared terms.
|
|
$shared_term_ids = implode( ',', array_keys( $shared_terms ) );
|
|
$shared_tts = $wpdb->get_results( "SELECT * FROM {$wpdb->term_taxonomy} WHERE `term_id` IN ({$shared_term_ids})" );
|
|
|
|
// Split term data recording is slow, so we do it just once, outside the loop.
|
|
$split_term_data = get_option( '_split_terms', array() );
|
|
$skipped_first_term = array();
|
|
$taxonomies = array();
|
|
foreach ( $shared_tts as $shared_tt ) {
|
|
$term_id = intval( $shared_tt->term_id );
|
|
|
|
// Don't split the first tt belonging to a given term_id.
|
|
if ( ! isset( $skipped_first_term[ $term_id ] ) ) {
|
|
$skipped_first_term[ $term_id ] = 1;
|
|
continue;
|
|
}
|
|
|
|
if ( ! isset( $split_term_data[ $term_id ] ) ) {
|
|
$split_term_data[ $term_id ] = array();
|
|
}
|
|
|
|
// Keep track of taxonomies whose hierarchies need flushing.
|
|
if ( ! isset( $taxonomies[ $shared_tt->taxonomy ] ) ) {
|
|
$taxonomies[ $shared_tt->taxonomy ] = 1;
|
|
}
|
|
|
|
// Split the term.
|
|
$split_term_data[ $term_id ][ $shared_tt->taxonomy ] = _split_shared_term( $shared_terms[ $term_id ], $shared_tt, false );
|
|
}
|
|
|
|
// Rebuild the cached hierarchy for each affected taxonomy.
|
|
foreach ( array_keys( $taxonomies ) as $tax ) {
|
|
delete_option( "{$tax}_children" );
|
|
_get_term_hierarchy( $tax );
|
|
}
|
|
|
|
update_option( '_split_terms', $split_term_data );
|
|
|
|
delete_option( $lock_name );
|
|
}
|
|
|
|
/**
|
|
* In order to avoid the _wp_batch_split_terms() job being accidentally removed,
|
|
* check that it's still scheduled while we haven't finished splitting terms.
|
|
*
|
|
* @ignore
|
|
* @since 4.3.0
|
|
*/
|
|
function _wp_check_for_scheduled_split_terms() {
|
|
if ( ! get_option( 'finished_splitting_shared_terms' ) && ! wp_next_scheduled( 'wp_split_shared_term_batch' ) ) {
|
|
wp_schedule_single_event( time() + MINUTE_IN_SECONDS, 'wp_split_shared_term_batch' );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check default categories when a term gets split to see if any of them need to be updated.
|
|
*
|
|
* @ignore
|
|
* @since 4.2.0
|
|
*
|
|
* @param int $term_id ID of the formerly shared term.
|
|
* @param int $new_term_id ID of the new term created for the $term_taxonomy_id.
|
|
* @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split.
|
|
* @param string $taxonomy Taxonomy for the split term.
|
|
*/
|
|
function _wp_check_split_default_terms( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
|
|
if ( 'category' !== $taxonomy ) {
|
|
return;
|
|
}
|
|
|
|
foreach ( array( 'default_category', 'default_link_category', 'default_email_category' ) as $option ) {
|
|
if ( (int) get_option( $option, -1 ) === $term_id ) {
|
|
update_option( $option, $new_term_id );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check menu items when a term gets split to see if any of them need to be updated.
|
|
*
|
|
* @ignore
|
|
* @since 4.2.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param int $term_id ID of the formerly shared term.
|
|
* @param int $new_term_id ID of the new term created for the $term_taxonomy_id.
|
|
* @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split.
|
|
* @param string $taxonomy Taxonomy for the split term.
|
|
*/
|
|
function _wp_check_split_terms_in_menus( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
|
|
global $wpdb;
|
|
$post_ids = $wpdb->get_col(
|
|
$wpdb->prepare(
|
|
"SELECT m1.post_id
|
|
FROM {$wpdb->postmeta} AS m1
|
|
INNER JOIN {$wpdb->postmeta} AS m2 ON ( m2.post_id = m1.post_id )
|
|
INNER JOIN {$wpdb->postmeta} AS m3 ON ( m3.post_id = m1.post_id )
|
|
WHERE ( m1.meta_key = '_menu_item_type' AND m1.meta_value = 'taxonomy' )
|
|
AND ( m2.meta_key = '_menu_item_object' AND m2.meta_value = %s )
|
|
AND ( m3.meta_key = '_menu_item_object_id' AND m3.meta_value = %d )",
|
|
$taxonomy,
|
|
$term_id
|
|
)
|
|
);
|
|
|
|
if ( $post_ids ) {
|
|
foreach ( $post_ids as $post_id ) {
|
|
update_post_meta( $post_id, '_menu_item_object_id', $new_term_id, $term_id );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* If the term being split is a nav_menu, change associations.
|
|
*
|
|
* @ignore
|
|
* @since 4.3.0
|
|
*
|
|
* @param int $term_id ID of the formerly shared term.
|
|
* @param int $new_term_id ID of the new term created for the $term_taxonomy_id.
|
|
* @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split.
|
|
* @param string $taxonomy Taxonomy for the split term.
|
|
*/
|
|
function _wp_check_split_nav_menu_terms( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
|
|
if ( 'nav_menu' !== $taxonomy ) {
|
|
return;
|
|
}
|
|
|
|
// Update menu locations.
|
|
$locations = get_nav_menu_locations();
|
|
foreach ( $locations as $location => $menu_id ) {
|
|
if ( $term_id === $menu_id ) {
|
|
$locations[ $location ] = $new_term_id;
|
|
}
|
|
}
|
|
set_theme_mod( 'nav_menu_locations', $locations );
|
|
}
|
|
|
|
/**
|
|
* Get data about terms that previously shared a single term_id, but have since been split.
|
|
*
|
|
* @since 4.2.0
|
|
*
|
|
* @param int $old_term_id Term ID. This is the old, pre-split term ID.
|
|
* @return array Array of new term IDs, keyed by taxonomy.
|
|
*/
|
|
function wp_get_split_terms( $old_term_id ) {
|
|
$split_terms = get_option( '_split_terms', array() );
|
|
|
|
$terms = array();
|
|
if ( isset( $split_terms[ $old_term_id ] ) ) {
|
|
$terms = $split_terms[ $old_term_id ];
|
|
}
|
|
|
|
return $terms;
|
|
}
|
|
|
|
/**
|
|
* Get the new term ID corresponding to a previously split term.
|
|
*
|
|
* @since 4.2.0
|
|
*
|
|
* @param int $old_term_id Term ID. This is the old, pre-split term ID.
|
|
* @param string $taxonomy Taxonomy that the term belongs to.
|
|
* @return int|false If a previously split term is found corresponding to the old term_id and taxonomy,
|
|
* the new term_id will be returned. If no previously split term is found matching
|
|
* the parameters, returns false.
|
|
*/
|
|
function wp_get_split_term( $old_term_id, $taxonomy ) {
|
|
$split_terms = wp_get_split_terms( $old_term_id );
|
|
|
|
$term_id = false;
|
|
if ( isset( $split_terms[ $taxonomy ] ) ) {
|
|
$term_id = (int) $split_terms[ $taxonomy ];
|
|
}
|
|
|
|
return $term_id;
|
|
}
|
|
|
|
/**
|
|
* Determine whether a term is shared between multiple taxonomies.
|
|
*
|
|
* Shared taxonomy terms began to be split in 4.3, but failed cron tasks or
|
|
* other delays in upgrade routines may cause shared terms to remain.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @return bool Returns false if a term is not shared between multiple taxonomies or
|
|
* if splitting shared taxonomy terms is finished.
|
|
*/
|
|
function wp_term_is_shared( $term_id ) {
|
|
global $wpdb;
|
|
|
|
if ( get_option( 'finished_splitting_shared_terms' ) ) {
|
|
return false;
|
|
}
|
|
|
|
$tt_count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term_id ) );
|
|
|
|
return $tt_count > 1;
|
|
}
|
|
|
|
/**
|
|
* Generate a permalink for a taxonomy term archive.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
|
|
*
|
|
* @param WP_Term|int|string $term The term object, ID, or slug whose link will be retrieved.
|
|
* @param string $taxonomy Optional. Taxonomy. Default empty.
|
|
* @return string|WP_Error URL of the taxonomy term archive on success, WP_Error if term does not exist.
|
|
*/
|
|
function get_term_link( $term, $taxonomy = '' ) {
|
|
global $wp_rewrite;
|
|
|
|
if ( ! is_object( $term ) ) {
|
|
if ( is_int( $term ) ) {
|
|
$term = get_term( $term, $taxonomy );
|
|
} else {
|
|
$term = get_term_by( 'slug', $term, $taxonomy );
|
|
}
|
|
}
|
|
|
|
if ( ! is_object( $term ) ) {
|
|
$term = new WP_Error( 'invalid_term', __( 'Empty Term.' ) );
|
|
}
|
|
|
|
if ( is_wp_error( $term ) ) {
|
|
return $term;
|
|
}
|
|
|
|
$taxonomy = $term->taxonomy;
|
|
|
|
$termlink = $wp_rewrite->get_extra_permastruct( $taxonomy );
|
|
|
|
/**
|
|
* Filters the permalink structure for a terms before token replacement occurs.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @param string $termlink The permalink structure for the term's taxonomy.
|
|
* @param WP_Term $term The term object.
|
|
*/
|
|
$termlink = apply_filters( 'pre_term_link', $termlink, $term );
|
|
|
|
$slug = $term->slug;
|
|
$t = get_taxonomy( $taxonomy );
|
|
|
|
if ( empty( $termlink ) ) {
|
|
if ( 'category' === $taxonomy ) {
|
|
$termlink = '?cat=' . $term->term_id;
|
|
} elseif ( $t->query_var ) {
|
|
$termlink = "?$t->query_var=$slug";
|
|
} else {
|
|
$termlink = "?taxonomy=$taxonomy&term=$slug";
|
|
}
|
|
$termlink = home_url( $termlink );
|
|
} else {
|
|
if ( $t->rewrite['hierarchical'] ) {
|
|
$hierarchical_slugs = array();
|
|
$ancestors = get_ancestors( $term->term_id, $taxonomy, 'taxonomy' );
|
|
foreach ( (array) $ancestors as $ancestor ) {
|
|
$ancestor_term = get_term( $ancestor, $taxonomy );
|
|
$hierarchical_slugs[] = $ancestor_term->slug;
|
|
}
|
|
$hierarchical_slugs = array_reverse( $hierarchical_slugs );
|
|
$hierarchical_slugs[] = $slug;
|
|
$termlink = str_replace( "%$taxonomy%", implode( '/', $hierarchical_slugs ), $termlink );
|
|
} else {
|
|
$termlink = str_replace( "%$taxonomy%", $slug, $termlink );
|
|
}
|
|
$termlink = home_url( user_trailingslashit( $termlink, 'category' ) );
|
|
}
|
|
|
|
// Back compat filters.
|
|
if ( 'post_tag' === $taxonomy ) {
|
|
|
|
/**
|
|
* Filters the tag link.
|
|
*
|
|
* @since 2.3.0
|
|
* @since 2.5.0 Deprecated in favor of {@see 'term_link'} filter.
|
|
* @since 5.4.1 Restored (un-deprecated).
|
|
*
|
|
* @param string $termlink Tag link URL.
|
|
* @param int $term_id Term ID.
|
|
*/
|
|
$termlink = apply_filters( 'tag_link', $termlink, $term->term_id );
|
|
} elseif ( 'category' === $taxonomy ) {
|
|
|
|
/**
|
|
* Filters the category link.
|
|
*
|
|
* @since 1.5.0
|
|
* @since 2.5.0 Deprecated in favor of {@see 'term_link'} filter.
|
|
* @since 5.4.1 Restored (un-deprecated).
|
|
*
|
|
* @param string $termlink Category link URL.
|
|
* @param int $term_id Term ID.
|
|
*/
|
|
$termlink = apply_filters( 'category_link', $termlink, $term->term_id );
|
|
}
|
|
|
|
/**
|
|
* Filters the term link.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param string $termlink Term link URL.
|
|
* @param WP_Term $term Term object.
|
|
* @param string $taxonomy Taxonomy slug.
|
|
*/
|
|
return apply_filters( 'term_link', $termlink, $term, $taxonomy );
|
|
}
|
|
|
|
/**
|
|
* Display the taxonomies of a post with available options.
|
|
*
|
|
* This function can be used within the loop to display the taxonomies for a
|
|
* post without specifying the Post ID. You can also use it outside the Loop to
|
|
* display the taxonomies for a specific post.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param array $args {
|
|
* Arguments about which post to use and how to format the output. Shares all of the arguments
|
|
* supported by get_the_taxonomies(), in addition to the following.
|
|
*
|
|
* @type int|WP_Post $post Post ID or object to get taxonomies of. Default current post.
|
|
* @type string $before Displays before the taxonomies. Default empty string.
|
|
* @type string $sep Separates each taxonomy. Default is a space.
|
|
* @type string $after Displays after the taxonomies. Default empty string.
|
|
* }
|
|
*/
|
|
function the_taxonomies( $args = array() ) {
|
|
$defaults = array(
|
|
'post' => 0,
|
|
'before' => '',
|
|
'sep' => ' ',
|
|
'after' => '',
|
|
);
|
|
|
|
$parsed_args = wp_parse_args( $args, $defaults );
|
|
|
|
echo $parsed_args['before'] . join( $parsed_args['sep'], get_the_taxonomies( $parsed_args['post'], $parsed_args ) ) . $parsed_args['after'];
|
|
}
|
|
|
|
/**
|
|
* Retrieve all taxonomies associated with a post.
|
|
*
|
|
* This function can be used within the loop. It will also return an array of
|
|
* the taxonomies with links to the taxonomy and name.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
|
|
* @param array $args {
|
|
* Optional. Arguments about how to format the list of taxonomies. Default empty array.
|
|
*
|
|
* @type string $template Template for displaying a taxonomy label and list of terms.
|
|
* Default is "Label: Terms."
|
|
* @type string $term_template Template for displaying a single term in the list. Default is the term name
|
|
* linked to its archive.
|
|
* }
|
|
* @return array List of taxonomies.
|
|
*/
|
|
function get_the_taxonomies( $post = 0, $args = array() ) {
|
|
$post = get_post( $post );
|
|
|
|
$args = wp_parse_args(
|
|
$args,
|
|
array(
|
|
/* translators: %s: Taxonomy label, %l: List of terms formatted as per $term_template. */
|
|
'template' => __( '%s: %l.' ),
|
|
'term_template' => '<a href="%1$s">%2$s</a>',
|
|
)
|
|
);
|
|
|
|
$taxonomies = array();
|
|
|
|
if ( ! $post ) {
|
|
return $taxonomies;
|
|
}
|
|
|
|
foreach ( get_object_taxonomies( $post ) as $taxonomy ) {
|
|
$t = (array) get_taxonomy( $taxonomy );
|
|
if ( empty( $t['label'] ) ) {
|
|
$t['label'] = $taxonomy;
|
|
}
|
|
if ( empty( $t['args'] ) ) {
|
|
$t['args'] = array();
|
|
}
|
|
if ( empty( $t['template'] ) ) {
|
|
$t['template'] = $args['template'];
|
|
}
|
|
if ( empty( $t['term_template'] ) ) {
|
|
$t['term_template'] = $args['term_template'];
|
|
}
|
|
|
|
$terms = get_object_term_cache( $post->ID, $taxonomy );
|
|
if ( false === $terms ) {
|
|
$terms = wp_get_object_terms( $post->ID, $taxonomy, $t['args'] );
|
|
}
|
|
$links = array();
|
|
|
|
foreach ( $terms as $term ) {
|
|
$links[] = wp_sprintf( $t['term_template'], esc_attr( get_term_link( $term ) ), $term->name );
|
|
}
|
|
if ( $links ) {
|
|
$taxonomies[ $taxonomy ] = wp_sprintf( $t['template'], $t['label'], $links, $terms );
|
|
}
|
|
}
|
|
return $taxonomies;
|
|
}
|
|
|
|
/**
|
|
* Retrieve all taxonomy names for the given post.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
|
|
* @return string[] An array of all taxonomy names for the given post.
|
|
*/
|
|
function get_post_taxonomies( $post = 0 ) {
|
|
$post = get_post( $post );
|
|
|
|
return get_object_taxonomies( $post );
|
|
}
|
|
|
|
/**
|
|
* Determine if the given object is associated with any of the given terms.
|
|
*
|
|
* The given terms are checked against the object's terms' term_ids, names and slugs.
|
|
* Terms given as integers will only be checked against the object's terms' term_ids.
|
|
* If no terms are given, determines if object is associated with any terms in the given taxonomy.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param int $object_id ID of the object (post ID, link ID, ...).
|
|
* @param string $taxonomy Single taxonomy name.
|
|
* @param int|string|array $terms Optional. Term term_id, name, slug or array of said. Default null.
|
|
* @return bool|WP_Error WP_Error on input error.
|
|
*/
|
|
function is_object_in_term( $object_id, $taxonomy, $terms = null ) {
|
|
$object_id = (int) $object_id;
|
|
if ( ! $object_id ) {
|
|
return new WP_Error( 'invalid_object', __( 'Invalid object ID.' ) );
|
|
}
|
|
|
|
$object_terms = get_object_term_cache( $object_id, $taxonomy );
|
|
if ( false === $object_terms ) {
|
|
$object_terms = wp_get_object_terms( $object_id, $taxonomy, array( 'update_term_meta_cache' => false ) );
|
|
if ( is_wp_error( $object_terms ) ) {
|
|
return $object_terms;
|
|
}
|
|
|
|
wp_cache_set( $object_id, wp_list_pluck( $object_terms, 'term_id' ), "{$taxonomy}_relationships" );
|
|
}
|
|
|
|
if ( is_wp_error( $object_terms ) ) {
|
|
return $object_terms;
|
|
}
|
|
if ( empty( $object_terms ) ) {
|
|
return false;
|
|
}
|
|
if ( empty( $terms ) ) {
|
|
return ( ! empty( $object_terms ) );
|
|
}
|
|
|
|
$terms = (array) $terms;
|
|
|
|
$ints = array_filter( $terms, 'is_int' );
|
|
if ( $ints ) {
|
|
$strs = array_diff( $terms, $ints );
|
|
} else {
|
|
$strs =& $terms;
|
|
}
|
|
|
|
foreach ( $object_terms as $object_term ) {
|
|
// If term is an int, check against term_ids only.
|
|
if ( $ints && in_array( $object_term->term_id, $ints, true ) ) {
|
|
return true;
|
|
}
|
|
|
|
if ( $strs ) {
|
|
// Only check numeric strings against term_id, to avoid false matches due to type juggling.
|
|
$numeric_strs = array_map( 'intval', array_filter( $strs, 'is_numeric' ) );
|
|
if ( in_array( $object_term->term_id, $numeric_strs, true ) ) {
|
|
return true;
|
|
}
|
|
|
|
if ( in_array( $object_term->name, $strs, true ) ) {
|
|
return true;
|
|
}
|
|
if ( in_array( $object_term->slug, $strs, true ) ) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Determine if the given object type is associated with the given taxonomy.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param string $object_type Object type string.
|
|
* @param string $taxonomy Single taxonomy name.
|
|
* @return bool True if object is associated with the taxonomy, otherwise false.
|
|
*/
|
|
function is_object_in_taxonomy( $object_type, $taxonomy ) {
|
|
$taxonomies = get_object_taxonomies( $object_type );
|
|
if ( empty( $taxonomies ) ) {
|
|
return false;
|
|
}
|
|
return in_array( $taxonomy, $taxonomies, true );
|
|
}
|
|
|
|
/**
|
|
* Get an array of ancestor IDs for a given object.
|
|
*
|
|
* @since 3.1.0
|
|
* @since 4.1.0 Introduced the `$resource_type` argument.
|
|
*
|
|
* @param int $object_id Optional. The ID of the object. Default 0.
|
|
* @param string $object_type Optional. The type of object for which we'll be retrieving
|
|
* ancestors. Accepts a post type or a taxonomy name. Default empty.
|
|
* @param string $resource_type Optional. Type of resource $object_type is. Accepts 'post_type'
|
|
* or 'taxonomy'. Default empty.
|
|
* @return int[] An array of IDs of ancestors from lowest to highest in the hierarchy.
|
|
*/
|
|
function get_ancestors( $object_id = 0, $object_type = '', $resource_type = '' ) {
|
|
$object_id = (int) $object_id;
|
|
|
|
$ancestors = array();
|
|
|
|
if ( empty( $object_id ) ) {
|
|
|
|
/** This filter is documented in wp-includes/taxonomy.php */
|
|
return apply_filters( 'get_ancestors', $ancestors, $object_id, $object_type, $resource_type );
|
|
}
|
|
|
|
if ( ! $resource_type ) {
|
|
if ( is_taxonomy_hierarchical( $object_type ) ) {
|
|
$resource_type = 'taxonomy';
|
|
} elseif ( post_type_exists( $object_type ) ) {
|
|
$resource_type = 'post_type';
|
|
}
|
|
}
|
|
|
|
if ( 'taxonomy' === $resource_type ) {
|
|
$term = get_term( $object_id, $object_type );
|
|
while ( ! is_wp_error( $term ) && ! empty( $term->parent ) && ! in_array( $term->parent, $ancestors, true ) ) {
|
|
$ancestors[] = (int) $term->parent;
|
|
$term = get_term( $term->parent, $object_type );
|
|
}
|
|
} elseif ( 'post_type' === $resource_type ) {
|
|
$ancestors = get_post_ancestors( $object_id );
|
|
}
|
|
|
|
/**
|
|
* Filters a given object's ancestors.
|
|
*
|
|
* @since 3.1.0
|
|
* @since 4.1.1 Introduced the `$resource_type` parameter.
|
|
*
|
|
* @param int[] $ancestors An array of IDs of object ancestors.
|
|
* @param int $object_id Object ID.
|
|
* @param string $object_type Type of object.
|
|
* @param string $resource_type Type of resource $object_type is.
|
|
*/
|
|
return apply_filters( 'get_ancestors', $ancestors, $object_id, $object_type, $resource_type );
|
|
}
|
|
|
|
/**
|
|
* Returns the term's parent's term_ID.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param int $term_id Term ID.
|
|
* @param string $taxonomy Taxonomy name.
|
|
* @return int|false False on error.
|
|
*/
|
|
function wp_get_term_taxonomy_parent_id( $term_id, $taxonomy ) {
|
|
$term = get_term( $term_id, $taxonomy );
|
|
if ( ! $term || is_wp_error( $term ) ) {
|
|
return false;
|
|
}
|
|
return (int) $term->parent;
|
|
}
|
|
|
|
/**
|
|
* Checks the given subset of the term hierarchy for hierarchy loops.
|
|
* Prevents loops from forming and breaks those that it finds.
|
|
*
|
|
* Attached to the {@see 'wp_update_term_parent'} filter.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param int $parent `term_id` of the parent for the term we're checking.
|
|
* @param int $term_id The term we're checking.
|
|
* @param string $taxonomy The taxonomy of the term we're checking.
|
|
*
|
|
* @return int The new parent for the term.
|
|
*/
|
|
function wp_check_term_hierarchy_for_loops( $parent, $term_id, $taxonomy ) {
|
|
// Nothing fancy here - bail.
|
|
if ( ! $parent ) {
|
|
return 0;
|
|
}
|
|
|
|
// Can't be its own parent.
|
|
if ( $parent === $term_id ) {
|
|
return 0;
|
|
}
|
|
|
|
// Now look for larger loops.
|
|
$loop = wp_find_hierarchy_loop( 'wp_get_term_taxonomy_parent_id', $term_id, $parent, array( $taxonomy ) );
|
|
if ( ! $loop ) {
|
|
return $parent; // No loop.
|
|
}
|
|
|
|
// Setting $parent to the given value causes a loop.
|
|
if ( isset( $loop[ $term_id ] ) ) {
|
|
return 0;
|
|
}
|
|
|
|
// There's a loop, but it doesn't contain $term_id. Break the loop.
|
|
foreach ( array_keys( $loop ) as $loop_member ) {
|
|
wp_update_term( $loop_member, $taxonomy, array( 'parent' => 0 ) );
|
|
}
|
|
|
|
return $parent;
|
|
}
|
|
|
|
/**
|
|
* Determines whether a taxonomy is considered "viewable".
|
|
*
|
|
* @since 5.1.0
|
|
*
|
|
* @param string|WP_Taxonomy $taxonomy Taxonomy name or object.
|
|
* @return bool Whether the taxonomy should be considered viewable.
|
|
*/
|
|
function is_taxonomy_viewable( $taxonomy ) {
|
|
if ( is_scalar( $taxonomy ) ) {
|
|
$taxonomy = get_taxonomy( $taxonomy );
|
|
if ( ! $taxonomy ) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return $taxonomy->publicly_queryable;
|
|
}
|
|
|
|
/**
|
|
* Sets the last changed time for the 'terms' cache group.
|
|
*
|
|
* @since 5.0.0
|
|
*/
|
|
function wp_cache_set_terms_last_changed() {
|
|
wp_cache_set( 'last_changed', microtime(), 'terms' );
|
|
}
|
|
|
|
/**
|
|
* Aborts calls to term meta if it is not supported.
|
|
*
|
|
* @since 5.0.0
|
|
*
|
|
* @param mixed $check Skip-value for whether to proceed term meta function execution.
|
|
* @return mixed Original value of $check, or false if term meta is not supported.
|
|
*/
|
|
function wp_check_term_meta_support_prefilter( $check ) {
|
|
if ( get_option( 'db_version' ) < 34370 ) {
|
|
return false;
|
|
}
|
|
|
|
return $check;
|
|
}
|