608 lines
17 KiB
PHP
608 lines
17 KiB
PHP
<?php
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/**
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* Site/blog functions that work with the blogs table and related data.
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*
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* @package WordPress
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* @subpackage Multisite
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* @since MU
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*/
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/**
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* Update the last_updated field for the current blog.
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*
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* @since MU
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*/
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function wpmu_update_blogs_date() {
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global $wpdb;
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update_blog_details( $wpdb->blogid, array('last_updated' => current_time('mysql', true)) );
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do_action( 'wpmu_blog_updated', $wpdb->blogid );
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}
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/**
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* Get a full blog URL, given a blog id.
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*
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* @since MU
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*
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* @param int $blog_id Blog ID
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* @return string
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*/
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function get_blogaddress_by_id( $blog_id ) {
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$bloginfo = get_blog_details( (int) $blog_id, false ); // only get bare details!
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return esc_url( 'http://' . $bloginfo->domain . $bloginfo->path );
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}
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/**
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* Get a full blog URL, given a blog name.
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*
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* @since MU
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*
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* @param string $blogname The (subdomain or directory) name
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* @return string
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*/
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function get_blogaddress_by_name( $blogname ) {
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global $current_site;
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if ( is_subdomain_install() ) {
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if ( $blogname == 'main' )
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$blogname = 'www';
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$url = rtrim( network_home_url(), '/' );
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if ( !empty( $blogname ) )
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$url = preg_replace( '|^([^\.]+://)|', '$1' . $blogname . '.', $url );
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} else {
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$url = network_home_url( $blogname );
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}
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return esc_url( $url . '/' );
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}
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/**
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* Get a full blog URL, given a domain and a path.
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*
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* @since MU
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*
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* @param string $domain
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* @param string $path
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* @return string
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*/
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function get_blogaddress_by_domain( $domain, $path ) {
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if ( is_subdomain_install() ) {
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$url = "http://" . $domain.$path;
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} else {
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if ( $domain != $_SERVER['HTTP_HOST'] ) {
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$blogname = substr( $domain, 0, strpos( $domain, '.' ) );
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$url = 'http://' . substr( $domain, strpos( $domain, '.' ) + 1 ) . $path;
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// we're not installing the main blog
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if ( $blogname != 'www.' )
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$url .= $blogname . '/';
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} else { // main blog
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$url = 'http://' . $domain . $path;
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}
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}
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return esc_url( $url );
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}
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/**
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* Given a blog's (subdomain or directory) name, retrieve it's id.
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*
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* @since MU
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*
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* @param string $name
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* @return int A blog id
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*/
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function get_id_from_blogname( $name ) {
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global $wpdb, $current_site;
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$blog_id = wp_cache_get( 'get_id_from_blogname_' . $name, 'blog-details' );
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if ( $blog_id )
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return $blog_id;
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if ( is_subdomain_install() ) {
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$domain = $name . '.' . $current_site->domain;
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$path = $current_site->path;
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} else {
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$domain = $current_site->domain;
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$path = $current_site->path . $name . '/';
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}
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$blog_id = $wpdb->get_var( $wpdb->prepare("SELECT blog_id FROM {$wpdb->blogs} WHERE domain = %s AND path = %s", $domain, $path) );
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wp_cache_set( 'get_id_from_blogname_' . $name, $blog_id, 'blog-details' );
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return $blog_id;
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}
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/**
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* Retrieve the details for a blog from the blogs table and blog options.
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*
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* @since MU
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*
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* @param int|string|array $fields A blog ID, a blog name, or an array of fields to query against.
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* @param bool $get_all Whether to retrieve all details or only the details in the blogs table. Default is true.
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* @return object Blog details.
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*/
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function get_blog_details( $fields, $get_all = true ) {
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global $wpdb;
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if ( is_array($fields ) ) {
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if ( isset($fields['blog_id']) ) {
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$blog_id = $fields['blog_id'];
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} elseif ( isset($fields['domain']) && isset($fields['path']) ) {
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$key = md5( $fields['domain'] . $fields['path'] );
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$blog = wp_cache_get($key, 'blog-lookup');
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if ( false !== $blog )
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return $blog;
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if ( substr( $fields['domain'], 0, 4 ) == 'www.' ) {
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$nowww = substr( $fields['domain'], 4 );
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$blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain IN (%s,%s) AND path = %s ORDER BY CHAR_LENGTH(domain) DESC", $nowww, $fields['domain'], $fields['path'] ) );
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} else {
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$blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s AND path = %s", $fields['domain'], $fields['path'] ) );
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}
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if ( $blog ) {
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wp_cache_set($blog->blog_id . 'short', $blog, 'blog-details');
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$blog_id = $blog->blog_id;
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} else {
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return false;
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}
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} elseif ( isset($fields['domain']) && is_subdomain_install() ) {
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$key = md5( $fields['domain'] );
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$blog = wp_cache_get($key, 'blog-lookup');
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if ( false !== $blog )
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return $blog;
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if ( substr( $fields['domain'], 0, 4 ) == 'www.' ) {
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$nowww = substr( $fields['domain'], 4 );
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$blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain IN (%s,%s) ORDER BY CHAR_LENGTH(domain) DESC", $nowww, $fields['domain'] ) );
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} else {
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$blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s", $fields['domain'] ) );
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}
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if ( $blog ) {
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wp_cache_set($blog->blog_id . 'short', $blog, 'blog-details');
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$blog_id = $blog->blog_id;
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} else {
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return false;
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}
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} else {
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return false;
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}
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} else {
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if ( !is_numeric( $fields ) )
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$blog_id = get_id_from_blogname( $fields );
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else
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$blog_id = $fields;
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}
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$blog_id = (int) $blog_id;
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$all = $get_all == true ? '' : 'short';
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$details = wp_cache_get( $blog_id . $all, 'blog-details' );
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if ( $details ) {
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if ( ! is_object( $details ) ) {
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if ( $details == -1 ) {
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return false;
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} else {
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// Clear old pre-serialized objects. Cache clients do better with that.
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wp_cache_delete( $blog_id . $all, 'blog-details' );
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unset($details);
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}
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} else {
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return $details;
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}
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}
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// Try the other cache.
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if ( $get_all ) {
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$details = wp_cache_get( $blog_id . 'short', 'blog-details' );
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} else {
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$details = wp_cache_get( $blog_id, 'blog-details' );
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// If short was requested and full cache is set, we can return.
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if ( $details ) {
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if ( ! is_object( $details ) ) {
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if ( $details == -1 ) {
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return false;
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} else {
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// Clear old pre-serialized objects. Cache clients do better with that.
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wp_cache_delete( $blog_id, 'blog-details' );
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unset($details);
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}
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} else {
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return $details;
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}
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}
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}
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if ( empty($details) ) {
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$details = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE blog_id = %d /* get_blog_details */", $blog_id ) );
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if ( ! $details ) {
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// Set the full cache.
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wp_cache_set( $blog_id, -1, 'blog-details' );
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return false;
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}
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}
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if ( ! $get_all ) {
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wp_cache_set( $blog_id . $all, $details, 'blog-details' );
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return $details;
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}
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switch_to_blog( $blog_id );
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$details->blogname = get_option( 'blogname' );
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$details->siteurl = get_option( 'siteurl' );
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$details->post_count = get_option( 'post_count' );
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restore_current_blog();
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$details = apply_filters( 'blog_details', $details );
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wp_cache_set( $blog_id . $all, $details, 'blog-details' );
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$key = md5( $details->domain . $details->path );
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wp_cache_set( $key, $details, 'blog-lookup' );
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return $details;
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}
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/**
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* Clear the blog details cache.
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*
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* @since MU
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*
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* @param int $blog_id Blog ID
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*/
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function refresh_blog_details( $blog_id ) {
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$blog_id = (int) $blog_id;
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$details = get_blog_details( $blog_id, false );
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wp_cache_delete( $blog_id , 'blog-details' );
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wp_cache_delete( $blog_id . 'short' , 'blog-details' );
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wp_cache_delete( md5( $details->domain . $details->path ) , 'blog-lookup' );
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wp_cache_delete( 'current_blog_' . $details->domain, 'site-options' );
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wp_cache_delete( 'current_blog_' . $details->domain . $details->path, 'site-options' );
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do_action( 'refresh_blog_details', $blog_id );
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}
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/**
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* Update the details for a blog. Updates the blogs table for a given blog id.
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*
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* @since MU
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*
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* @param int $blog_id Blog ID
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* @param array $details Array of details keyed by blogs table field names.
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* @return bool True if update succeeds, false otherwise.
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*/
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function update_blog_details( $blog_id, $details = array() ) {
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global $wpdb;
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if ( empty($details) )
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return false;
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if ( is_object($details) )
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$details = get_object_vars($details);
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$current_details = get_blog_details($blog_id, false);
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if ( empty($current_details) )
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return false;
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$current_details = get_object_vars($current_details);
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$details = array_merge($current_details, $details);
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$details['last_updated'] = current_time('mysql', true);
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$update_details = array();
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$fields = array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id');
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foreach ( array_intersect( array_keys( $details ), $fields ) as $field )
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$update_details[$field] = $details[$field];
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$wpdb->update( $wpdb->blogs, $update_details, array('blog_id' => $blog_id) );
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// If spam status changed, issue actions.
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if ( $details[ 'spam' ] != $current_details[ 'spam' ] ) {
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if ( $details[ 'spam' ] == 1 )
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do_action( "make_spam_blog", $blog_id );
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else
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do_action( "make_ham_blog", $blog_id );
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}
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if ( isset($details[ 'public' ]) ) {
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switch_to_blog( $blog_id );
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update_option( 'blog_public', $details[ 'public' ] );
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restore_current_blog();
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}
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refresh_blog_details($blog_id);
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return true;
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}
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/**
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* Switch the current blog.
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*
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* This function is useful if you need to pull posts, or other information,
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* from other blogs. You can switch back afterwards using restore_current_blog().
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*
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* Things that aren't switched:
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* - autoloaded options. See #14992
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* - plugins. See #14941
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*
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* @see restore_current_blog()
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* @since MU
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*
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* @param int $new_blog The id of the blog you want to switch to. Default: current blog
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* @param bool $validate Whether to check if $new_blog exists before proceeding
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* @return bool True on success, False if the validation failed
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*/
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function switch_to_blog( $new_blog, $validate = false ) {
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global $wpdb, $table_prefix, $blog_id, $switched, $switched_stack, $wp_roles, $wp_object_cache;
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if ( empty($new_blog) )
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$new_blog = $blog_id;
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if ( $validate && ! get_blog_details( $new_blog ) )
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return false;
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if ( empty($switched_stack) )
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$switched_stack = array();
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$switched_stack[] = $blog_id;
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/* If we're switching to the same blog id that we're on,
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* set the right vars, do the associated actions, but skip
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* the extra unnecessary work */
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if ( $blog_id == $new_blog ) {
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do_action( 'switch_blog', $blog_id, $blog_id );
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$switched = true;
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return true;
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}
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$wpdb->set_blog_id($new_blog);
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$table_prefix = $wpdb->prefix;
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$prev_blog_id = $blog_id;
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$blog_id = $new_blog;
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if ( is_object( $wp_roles ) ) {
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$wpdb->suppress_errors();
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if ( method_exists( $wp_roles ,'_init' ) )
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$wp_roles->_init();
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elseif ( method_exists( $wp_roles, '__construct' ) )
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$wp_roles->__construct();
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$wpdb->suppress_errors( false );
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}
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if ( did_action('init') ) {
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$current_user = wp_get_current_user();
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if ( is_object( $current_user ) )
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$current_user->for_blog( $blog_id );
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}
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if ( function_exists( 'wp_cache_switch_to_blog' ) ) {
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wp_cache_switch_to_blog( $blog_id );
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} else {
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if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) )
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$global_groups = $wp_object_cache->global_groups;
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else
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$global_groups = false;
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wp_cache_init();
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if ( function_exists('wp_cache_add_global_groups') ) {
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if ( is_array( $global_groups ) )
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wp_cache_add_global_groups( $global_groups );
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else
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wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts' ) );
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wp_cache_add_non_persistent_groups(array( 'comment', 'counts', 'plugins' ));
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}
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}
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do_action('switch_blog', $blog_id, $prev_blog_id);
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$switched = true;
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return true;
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}
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/**
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* Restore the current blog, after calling switch_to_blog()
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*
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* @see switch_to_blog()
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* @since MU
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*
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* @return bool True on success, False if we're already on the current blog
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*/
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function restore_current_blog() {
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global $table_prefix, $wpdb, $blog_id, $switched, $switched_stack, $wp_roles, $wp_object_cache;
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if ( !$switched )
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return false;
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if ( !is_array( $switched_stack ) )
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return false;
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$blog = array_pop( $switched_stack );
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if ( $blog_id == $blog ) {
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do_action( 'switch_blog', $blog, $blog );
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/* If we still have items in the switched stack, consider ourselves still 'switched' */
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$switched = ( is_array( $switched_stack ) && count( $switched_stack ) > 0 );
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return true;
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}
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$wpdb->set_blog_id($blog);
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$prev_blog_id = $blog_id;
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$blog_id = $blog;
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$table_prefix = $wpdb->prefix;
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if ( is_object( $wp_roles ) ) {
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$wpdb->suppress_errors();
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if ( method_exists( $wp_roles ,'_init' ) )
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$wp_roles->_init();
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elseif ( method_exists( $wp_roles, '__construct' ) )
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$wp_roles->__construct();
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$wpdb->suppress_errors( false );
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}
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if ( did_action('init') ) {
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$current_user = wp_get_current_user();
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if ( is_object( $current_user ) )
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$current_user->for_blog( $blog_id );
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}
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if ( function_exists( 'wp_cache_switch_to_blog' ) ) {
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wp_cache_switch_to_blog( $blog_id );
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} else {
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if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) )
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$global_groups = $wp_object_cache->global_groups;
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else
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$global_groups = false;
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wp_cache_init();
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if ( function_exists('wp_cache_add_global_groups') ) {
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if ( is_array( $global_groups ) )
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wp_cache_add_global_groups( $global_groups );
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else
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wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts' ) );
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wp_cache_add_non_persistent_groups(array( 'comment', 'counts', 'plugins' ));
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}
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}
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do_action('switch_blog', $blog_id, $prev_blog_id);
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/* If we still have items in the switched stack, consider ourselves still 'switched' */
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$switched = ( is_array( $switched_stack ) && count( $switched_stack ) > 0 );
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return true;
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}
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/**
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* Check if a particular blog is archived.
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*
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* @since MU
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*
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* @param int $id The blog id
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* @return string Whether the blog is archived or not
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*/
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function is_archived( $id ) {
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return get_blog_status($id, 'archived');
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}
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/**
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* Update the 'archived' status of a particular blog.
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*
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* @since MU
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*
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* @param int $id The blog id
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* @param string $archived The new status
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* @return string $archived
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*/
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function update_archived( $id, $archived ) {
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update_blog_status($id, 'archived', $archived);
|
|
return $archived;
|
|
}
|
|
|
|
/**
|
|
* Update a blog details field.
|
|
*
|
|
* @since MU
|
|
*
|
|
* @param int $blog_id BLog ID
|
|
* @param string $pref A field name
|
|
* @param string $value Value for $pref
|
|
* @return string $value
|
|
*/
|
|
function update_blog_status( $blog_id, $pref, $value, $deprecated = null ) {
|
|
global $wpdb;
|
|
|
|
if ( null !== $deprecated )
|
|
_deprecated_argument( __FUNCTION__, '3.1' );
|
|
|
|
if ( !in_array( $pref, array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id') ) )
|
|
return $value;
|
|
|
|
$wpdb->update( $wpdb->blogs, array($pref => $value, 'last_updated' => current_time('mysql', true)), array('blog_id' => $blog_id) );
|
|
|
|
refresh_blog_details($blog_id);
|
|
|
|
if ( 'spam' == $pref )
|
|
( $value == 1 ) ? do_action( 'make_spam_blog', $blog_id ) : do_action( 'make_ham_blog', $blog_id );
|
|
elseif ( 'mature' == $pref )
|
|
( $value == 1 ) ? do_action( 'mature_blog', $blog_id ) : do_action( 'unmature_blog', $blog_id );
|
|
elseif ( 'archived' == $pref )
|
|
( $value == 1 ) ? do_action( 'archive_blog', $blog_id ) : do_action( 'unarchive_blog', $blog_id );
|
|
elseif ( 'archived' == $pref )
|
|
( $value == 1 ) ? do_action( 'archive_blog', $blog_id ) : do_action( 'unarchive_blog', $blog_id );
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Get a blog details field.
|
|
*
|
|
* @since MU
|
|
*
|
|
* @param int $id The blog id
|
|
* @param string $pref A field name
|
|
* @return bool $value
|
|
*/
|
|
function get_blog_status( $id, $pref ) {
|
|
global $wpdb;
|
|
|
|
$details = get_blog_details( $id, false );
|
|
if ( $details )
|
|
return $details->$pref;
|
|
|
|
return $wpdb->get_var( $wpdb->prepare("SELECT %s FROM {$wpdb->blogs} WHERE blog_id = %d", $pref, $id) );
|
|
}
|
|
|
|
/**
|
|
* Get a list of most recently updated blogs.
|
|
*
|
|
* @since MU
|
|
*
|
|
* @param mixed $deprecated Not used
|
|
* @param int $start The offset
|
|
* @param int $quantity The maximum number of blogs to retrieve. Default is 40.
|
|
* @return array The list of blogs
|
|
*/
|
|
function get_last_updated( $deprecated = '', $start = 0, $quantity = 40 ) {
|
|
global $wpdb;
|
|
|
|
if ( ! empty( $deprecated ) )
|
|
_deprecated_argument( __FUNCTION__, 'MU' ); // never used
|
|
|
|
return $wpdb->get_results( $wpdb->prepare("SELECT blog_id, domain, path FROM $wpdb->blogs WHERE site_id = %d AND public = '1' AND archived = '0' AND mature = '0' AND spam = '0' AND deleted = '0' AND last_updated != '0000-00-00 00:00:00' ORDER BY last_updated DESC limit %d, %d", $wpdb->siteid, $start, $quantity ) , ARRAY_A );
|
|
}
|
|
|
|
/**
|
|
* Handler for updating the blog date when a post is published or an already published post is changed.
|
|
*
|
|
* @since 3.3.0
|
|
*
|
|
* @param string $new_status The new post status
|
|
* @param string $old_status The old post status
|
|
* @param object $post Post object
|
|
*/
|
|
function _update_blog_date_on_post_publish( $new_status, $old_status, $post ) {
|
|
$post_type_obj = get_post_type_object( $post->post_type );
|
|
if ( ! $post_type_obj->public )
|
|
return;
|
|
|
|
if ( 'publish' != $new_status && 'publish' != $old_status )
|
|
return;
|
|
|
|
// Post was freshly published, published post was saved, or published post was unpublished.
|
|
|
|
wpmu_update_blogs_date();
|
|
}
|
|
|
|
/**
|
|
* Handler for updating the blog date when a published post is deleted.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param int $post_id Post ID
|
|
*/
|
|
function _update_blog_date_on_post_delete( $post_id ) {
|
|
$post = get_post( $post_id );
|
|
|
|
$post_type_obj = get_post_type_object( $post->post_type );
|
|
if ( ! $post_type_obj->public )
|
|
return;
|
|
|
|
if ( 'publish' != $post->post_status )
|
|
return;
|
|
|
|
wpmu_update_blogs_date();
|
|
}
|
|
|