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Edit File: ms-blogs.php
<?php /** * Site/blog functions that work with the blogs table and related data. * * @package WordPress * @subpackage Multisite * @since MU */ /** * Update the last_updated field for the current site. * * @since MU * * @global wpdb $wpdb WordPress database abstraction object. */ function wpmu_update_blogs_date() { global $wpdb; update_blog_details( $wpdb->blogid, array('last_updated' => current_time('mysql', true)) ); /** * Fires after the blog details are updated. * * @since MU * * @param int $blog_id Site ID. */ do_action( 'wpmu_blog_updated', $wpdb->blogid ); } /** * Get a full blog URL, given a blog id. * * @since MU * * @param int $blog_id Blog ID * @return string Full URL of the blog if found. Empty string if not. */ function get_blogaddress_by_id( $blog_id ) { $bloginfo = get_blog_details( (int) $blog_id ); if ( empty( $bloginfo ) ) { return ''; } $scheme = parse_url( $bloginfo->home, PHP_URL_SCHEME ); $scheme = empty( $scheme ) ? 'http' : $scheme; return esc_url( $scheme . '://' . $bloginfo->domain . $bloginfo->path ); } /** * Get a full blog URL, given a blog name. * * @since MU * * @param string $blogname The (subdomain or directory) name * @return string */ function get_blogaddress_by_name( $blogname ) { if ( is_subdomain_install() ) { if ( $blogname == 'main' ) $blogname = 'www'; $url = rtrim( network_home_url(), '/' ); if ( !empty( $blogname ) ) $url = preg_replace( '|^([^\.]+://)|', "\${1}" . $blogname . '.', $url ); } else { $url = network_home_url( $blogname ); } return esc_url( $url . '/' ); } /** * Given a blog's (subdomain or directory) slug, retrieve its id. * * @since MU * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $slug * @return int A blog id */ function get_id_from_blogname( $slug ) { global $wpdb; $current_site = get_current_site(); $slug = trim( $slug, '/' ); $blog_id = wp_cache_get( 'get_id_from_blogname_' . $slug, 'blog-details' ); if ( $blog_id ) return $blog_id; if ( is_subdomain_install() ) { $domain = $slug . '.' . $current_site->domain; $path = $current_site->path; } else { $domain = $current_site->domain; $path = $current_site->path . $slug . '/'; } $blog_id = $wpdb->get_var( $wpdb->prepare("SELECT blog_id FROM {$wpdb->blogs} WHERE domain = %s AND path = %s", $domain, $path) ); wp_cache_set( 'get_id_from_blogname_' . $slug, $blog_id, 'blog-details' ); return $blog_id; } /** * Retrieve the details for a blog from the blogs table and blog options. * * @since MU * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|string|array $fields Optional. A blog ID, a blog slug, or an array of fields to query against. * If not specified the current blog ID is used. * @param bool $get_all Whether to retrieve all details or only the details in the blogs table. * Default is true. * @return WP_Site|false Blog details on success. False on failure. */ function get_blog_details( $fields = null, $get_all = true ) { global $wpdb; if ( is_array($fields ) ) { if ( isset($fields['blog_id']) ) { $blog_id = $fields['blog_id']; } elseif ( isset($fields['domain']) && isset($fields['path']) ) { $key = md5( $fields['domain'] . $fields['path'] ); $blog = wp_cache_get($key, 'blog-lookup'); if ( false !== $blog ) return $blog; if ( substr( $fields['domain'], 0, 4 ) == 'www.' ) { $nowww = substr( $fields['domain'], 4 ); $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'] ) ); } else { $blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s AND path = %s", $fields['domain'], $fields['path'] ) ); } if ( $blog ) { wp_cache_set($blog->blog_id . 'short', $blog, 'blog-details'); $blog_id = $blog->blog_id; } else { return false; } } elseif ( isset($fields['domain']) && is_subdomain_install() ) { $key = md5( $fields['domain'] ); $blog = wp_cache_get($key, 'blog-lookup'); if ( false !== $blog ) return $blog; if ( substr( $fields['domain'], 0, 4 ) == 'www.' ) { $nowww = substr( $fields['domain'], 4 ); $blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain IN (%s,%s) ORDER BY CHAR_LENGTH(domain) DESC", $nowww, $fields['domain'] ) ); } else { $blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s", $fields['domain'] ) ); } if ( $blog ) { wp_cache_set($blog->blog_id . 'short', $blog, 'blog-details'); $blog_id = $blog->blog_id; } else { return false; } } else { return false; } } else { if ( ! $fields ) $blog_id = get_current_blog_id(); elseif ( ! is_numeric( $fields ) ) $blog_id = get_id_from_blogname( $fields ); else $blog_id = $fields; } $blog_id = (int) $blog_id; $all = $get_all == true ? '' : 'short'; $details = wp_cache_get( $blog_id . $all, 'blog-details' ); if ( $details ) { if ( ! is_object( $details ) ) { if ( $details == -1 ) { return false; } else { // Clear old pre-serialized objects. Cache clients do better with that. wp_cache_delete( $blog_id . $all, 'blog-details' ); unset($details); } } else { return $details; } } // Try the other cache. if ( $get_all ) { $details = wp_cache_get( $blog_id . 'short', 'blog-details' ); } else { $details = wp_cache_get( $blog_id, 'blog-details' ); // If short was requested and full cache is set, we can return. if ( $details ) { if ( ! is_object( $details ) ) { if ( $details == -1 ) { return false; } else { // Clear old pre-serialized objects. Cache clients do better with that. wp_cache_delete( $blog_id, 'blog-details' ); unset($details); } } else { return $details; } } } if ( empty($details) ) { $details = WP_Site::get_instance( $blog_id ); if ( ! $details ) { // Set the full cache. wp_cache_set( $blog_id, -1, 'blog-details' ); return false; } } if ( ! $details instanceof WP_Site ) { $details = new WP_Site( $details ); } if ( ! $get_all ) { wp_cache_set( $blog_id . $all, $details, 'blog-details' ); return $details; } switch_to_blog( $blog_id ); $details->blogname = get_option( 'blogname' ); $details->siteurl = get_option( 'siteurl' ); $details->post_count = get_option( 'post_count' ); $details->home = get_option( 'home' ); restore_current_blog(); /** * Filters a blog's details. * * @since MU * * @param object $details The blog details. */ $details = apply_filters( 'blog_details', $details ); wp_cache_set( $blog_id . $all, $details, 'blog-details' ); $key = md5( $details->domain . $details->path ); wp_cache_set( $key, $details, 'blog-lookup' ); return $details; } /** * Clear the blog details cache. * * @since MU * * @param int $blog_id Optional. Blog ID. Defaults to current blog. */ function refresh_blog_details( $blog_id = 0 ) { $blog_id = (int) $blog_id; if ( ! $blog_id ) { $blog_id = get_current_blog_id(); } $details = get_blog_details( $blog_id, false ); if ( ! $details ) { // Make sure clean_blog_cache() gets the blog ID // when the blog has been previously cached as // non-existent. $details = (object) array( 'blog_id' => $blog_id, 'domain' => null, 'path' => null ); } clean_blog_cache( $details ); /** * Fires after the blog details cache is cleared. * * @since 3.4.0 * * @param int $blog_id Blog ID. */ do_action( 'refresh_blog_details', $blog_id ); } /** * Update the details for a blog. Updates the blogs table for a given blog id. * * @since MU * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $blog_id Blog ID * @param array $details Array of details keyed by blogs table field names. * @return bool True if update succeeds, false otherwise. */ function update_blog_details( $blog_id, $details = array() ) { global $wpdb; if ( empty($details) ) return false; if ( is_object($details) ) $details = get_object_vars($details); $current_details = get_blog_details($blog_id, false); if ( empty($current_details) ) return false; $current_details = get_object_vars($current_details); $details = array_merge($current_details, $details); $details['last_updated'] = current_time('mysql', true); $update_details = array(); $fields = array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id'); foreach ( array_intersect( array_keys( $details ), $fields ) as $field ) { if ( 'path' === $field ) { $details[ $field ] = trailingslashit( '/' . trim( $details[ $field ], '/' ) ); } $update_details[ $field ] = $details[ $field ]; } $result = $wpdb->update( $wpdb->blogs, $update_details, array('blog_id' => $blog_id) ); if ( false === $result ) return false; // If spam status changed, issue actions. if ( $details['spam'] != $current_details['spam'] ) { if ( $details['spam'] == 1 ) { /** * Fires when the blog status is changed to 'spam'. * * @since MU * * @param int $blog_id Blog ID. */ do_action( 'make_spam_blog', $blog_id ); } else { /** * Fires when the blog status is changed to 'ham'. * * @since MU * * @param int $blog_id Blog ID. */ do_action( 'make_ham_blog', $blog_id ); } } // If mature status changed, issue actions. if ( $details['mature'] != $current_details['mature'] ) { if ( $details['mature'] == 1 ) { /** * Fires when the blog status is changed to 'mature'. * * @since 3.1.0 * * @param int $blog_id Blog ID. */ do_action( 'mature_blog', $blog_id ); } else { /** * Fires when the blog status is changed to 'unmature'. * * @since 3.1.0 * * @param int $blog_id Blog ID. */ do_action( 'unmature_blog', $blog_id ); } } // If archived status changed, issue actions. if ( $details['archived'] != $current_details['archived'] ) { if ( $details['archived'] == 1 ) { /** * Fires when the blog status is changed to 'archived'. * * @since MU * * @param int $blog_id Blog ID. */ do_action( 'archive_blog', $blog_id ); } else { /** * Fires when the blog status is changed to 'unarchived'. * * @since MU * * @param int $blog_id Blog ID. */ do_action( 'unarchive_blog', $blog_id ); } } // If deleted status changed, issue actions. if ( $details['deleted'] != $current_details['deleted'] ) { if ( $details['deleted'] == 1 ) { /** * Fires when the blog status is changed to 'deleted'. * * @since 3.5.0 * * @param int $blog_id Blog ID. */ do_action( 'make_delete_blog', $blog_id ); } else { /** * Fires when the blog status is changed to 'undeleted'. * * @since 3.5.0 * * @param int $blog_id Blog ID. */ do_action( 'make_undelete_blog', $blog_id ); } } if ( isset( $details['public'] ) ) { switch_to_blog( $blog_id ); update_option( 'blog_public', $details['public'] ); restore_current_blog(); } refresh_blog_details($blog_id); return true; } /** * Clean the blog cache * * @since 3.5.0 * * @param WP_Site $blog The blog details as returned from get_blog_details() */ function clean_blog_cache( $blog ) { $blog_id = $blog->blog_id; $domain_path_key = md5( $blog->domain . $blog->path ); wp_cache_delete( $blog_id, 'sites' ); wp_cache_delete( $blog_id, 'site-details' ); wp_cache_delete( $blog_id , 'blog-details' ); wp_cache_delete( $blog_id . 'short' , 'blog-details' ); wp_cache_delete( $domain_path_key, 'blog-lookup' ); wp_cache_delete( 'current_blog_' . $blog->domain, 'site-options' ); wp_cache_delete( 'current_blog_' . $blog->domain . $blog->path, 'site-options' ); wp_cache_delete( 'get_id_from_blogname_' . trim( $blog->path, '/' ), 'blog-details' ); wp_cache_delete( $domain_path_key, 'blog-id-cache' ); /** * Fires immediately after a site has been removed from the object cache. * * @since 4.6.0 * * @param int $id Blog ID. * @param WP_Site $blog Site object. * @param string $domain_path_key md5 hash of domain and path. */ do_action( 'clean_site_cache', $blog_id, $blog, $domain_path_key ); wp_cache_set( 'last_changed', microtime(), 'sites' ); } /** * Retrieves site data given a site ID or site object. * * Site data will be cached and returned after being passed through a filter. * If the provided site is empty, the current site global will be used. * * @since 4.6.0 * * @param WP_Site|int|null $site Optional. Site to retrieve. Default is the current site. * @return WP_Site|null The site object or null if not found. */ function get_site( $site = null ) { if ( empty( $site ) ) { $site = get_current_blog_id(); } if ( $site instanceof WP_Site ) { $_site = $site; } elseif ( is_object( $site ) ) { $_site = new WP_Site( $site ); } else { $_site = WP_Site::get_instance( $site ); } if ( ! $_site ) { return null; } /** * Fires after a site is retrieved. * * @since 4.6.0 * * @param WP_Site $_site Site data. */ $_site = apply_filters( 'get_site', $_site ); return $_site; } /** * Adds any sites from the given ids to the cache that do not already exist in cache. * * @since 4.6.0 * @access private * * @see update_site_cache() * @global wpdb $wpdb WordPress database abstraction object. * * @param array $ids ID list. */ function _prime_site_caches( $ids ) { global $wpdb; $non_cached_ids = _get_non_cached_ids( $ids, 'sites' ); if ( ! empty( $non_cached_ids ) ) { $fresh_sites = $wpdb->get_results( sprintf( "SELECT * FROM $wpdb->blogs WHERE blog_id IN (%s)", join( ",", array_map( 'intval', $non_cached_ids ) ) ) ); update_site_cache( $fresh_sites ); } } /** * Updates sites in cache. * * @since 4.6.0 * * @param array $sites Array of site objects. */ function update_site_cache( $sites ) { if ( ! $sites ) { return; } foreach ( $sites as $site ) { wp_cache_add( $site->blog_id, $site, 'sites' ); wp_cache_add( $site->blog_id . 'short', $site, 'blog-details' ); } } /** * Retrieves a list of sites matching requested arguments. * * @since 4.6.0 * * @see WP_Site_Query::parse_query() * * @param string|array $args { * Optional. Array or query string of site query parameters. Default empty. * * @type array $site__in Array of site IDs to include. Default empty. * @type array $site__not_in Array of site IDs to exclude. Default empty. * @type bool $count Whether to return a site count (true) or array of site objects. * Default false. * @type array $date_query Date query clauses to limit sites by. See WP_Date_Query. * Default null. * @type string $fields Site fields to return. Accepts 'ids' for site IDs only or empty * for all fields. Default empty. * @type int $ID A site ID to only return that site. Default empty. * @type int $number Maximum number of sites to retrieve. Default null (no limit). * @type int $offset Number of sites to offset the query. Used to build LIMIT clause. * Default 0. * @type bool $no_found_rows Whether to disable the `SQL_CALC_FOUND_ROWS` query. Default true. * @type string|array $orderby Site status or array of statuses. Accepts 'id', 'domain', 'path', * 'network_id', 'last_updated', 'registered', 'domain_length', * 'path_length', 'site__in' and 'network__in'. Also accepts false, * an empty array, or 'none' to disable `ORDER BY` clause. * Default 'id'. * @type string $order How to order retrieved sites. Accepts 'ASC', 'DESC'. Default 'ASC'. * @type int $network_id Limit results to those affiliated with a given network ID. * Default current network ID. * @type array $network__in Array of network IDs to include affiliated sites for. Default empty. * @type array $network__not_in Array of network IDs to exclude affiliated sites for. Default empty. * @type string $domain Limit results to those affiliated with a given domain. * Default empty. * @type array $domain__in Array of domains to include affiliated sites for. Default empty. * @type array $domain__not_in Array of domains to exclude affiliated sites for. Default empty. * @type string $path Limit results to those affiliated with a given path. * Default empty. * @type array $path__in Array of paths to include affiliated sites for. Default empty. * @type array $path__not_in Array of paths to exclude affiliated sites for. Default empty. * @type int $public Limit results to public sites. Accepts '1' or '0'. Default empty. * @type int $archived Limit results to archived sites. Accepts '1' or '0'. Default empty. * @type int $mature Limit results to mature sites. Accepts '1' or '0'. Default empty. * @type int $spam Limit results to spam sites. Accepts '1' or '0'. Default empty. * @type int $deleted Limit results to deleted sites. Accepts '1' or '0'. Default empty. * @type string $search Search term(s) to retrieve matching sites for. Default empty. * @type bool $update_site_cache Whether to prime the cache for found sites. Default false. * } * @return array List of sites. */ function get_sites( $args = array() ) { $query = new WP_Site_Query(); return $query->query( $args ); } /** * Retrieve option value for a given blog id based on name of option. * * If the option does not exist or does not have a value, then the return value * will be false. This is useful to check whether you need to install an option * and is commonly used during installation of plugin options and to test * whether upgrading is required. * * If the option was serialized then it will be unserialized when it is returned. * * @since MU * * @param int $id A blog ID. Can be null to refer to the current blog. * @param string $option Name of option to retrieve. Expected to not be SQL-escaped. * @param mixed $default Optional. Default value to return if the option does not exist. * @return mixed Value set for the option. */ function get_blog_option( $id, $option, $default = false ) { $id = (int) $id; if ( empty( $id ) ) $id = get_current_blog_id(); if ( get_current_blog_id() == $id ) return get_option( $option, $default ); switch_to_blog( $id ); $value = get_option( $option, $default ); restore_current_blog(); /** * Filters a blog option value. * * The dynamic portion of the hook name, `$option`, refers to the blog option name. * * @since 3.5.0 * * @param string $value The option value. * @param int $id Blog ID. */ return apply_filters( "blog_option_{$option}", $value, $id ); } /** * Add a new option for a given blog id. * * You do not need to serialize values. If the value needs to be serialized, then * it will be serialized before it is inserted into the database. Remember, * resources can not be serialized or added as an option. * * You can create options without values and then update the values later. * Existing options will not be updated and checks are performed to ensure that you * aren't adding a protected WordPress option. Care should be taken to not name * options the same as the ones which are protected. * * @since MU * * @param int $id A blog ID. Can be null to refer to the current blog. * @param string $option Name of option to add. Expected to not be SQL-escaped. * @param mixed $value Optional. Option value, can be anything. Expected to not be SQL-escaped. * @return bool False if option was not added and true if option was added. */ function add_blog_option( $id, $option, $value ) { $id = (int) $id; if ( empty( $id ) ) $id = get_current_blog_id(); if ( get_current_blog_id() == $id ) return add_option( $option, $value ); switch_to_blog( $id ); $return = add_option( $option, $value ); restore_current_blog(); return $return; } /** * Removes option by name for a given blog id. Prevents removal of protected WordPress options. * * @since MU * * @param int $id A blog ID. Can be null to refer to the current blog. * @param string $option Name of option to remove. Expected to not be SQL-escaped. * @return bool True, if option is successfully deleted. False on failure. */ function delete_blog_option( $id, $option ) { $id = (int) $id; if ( empty( $id ) ) $id = get_current_blog_id(); if ( get_current_blog_id() == $id ) return delete_option( $option ); switch_to_blog( $id ); $return = delete_option( $option ); restore_current_blog(); return $return; } /** * Update an option for a particular blog. * * @since MU * * @param int $id The blog id. * @param string $option The option key. * @param mixed $value The option value. * @param mixed $deprecated Not used. * @return bool True on success, false on failure. */ function update_blog_option( $id, $option, $value, $deprecated = null ) { $id = (int) $id; if ( null !== $deprecated ) _deprecated_argument( __FUNCTION__, '3.1.0' ); if ( get_current_blog_id() == $id ) return update_option( $option, $value ); switch_to_blog( $id ); $return = update_option( $option, $value ); restore_current_blog(); refresh_blog_details( $id ); return $return; } /** * Switch the current blog. * * This function is useful if you need to pull posts, or other information, * from other blogs. You can switch back afterwards using restore_current_blog(). * * Things that aren't switched: * - autoloaded options. See #14992 * - plugins. See #14941 * * @see restore_current_blog() * @since MU * * @global wpdb $wpdb * @global int $blog_id * @global array $_wp_switched_stack * @global bool $switched * @global string $table_prefix * @global WP_Object_Cache $wp_object_cache * * @param int $new_blog The id of the blog you want to switch to. Default: current blog * @param bool $deprecated Deprecated argument * @return true Always returns True. */ function switch_to_blog( $new_blog, $deprecated = null ) { global $wpdb; if ( empty( $new_blog ) ) $new_blog = $GLOBALS['blog_id']; $GLOBALS['_wp_switched_stack'][] = $GLOBALS['blog_id']; /* * If we're switching to the same blog id that we're on, * set the right vars, do the associated actions, but skip * the extra unnecessary work */ if ( $new_blog == $GLOBALS['blog_id'] ) { /** * Fires when the blog is switched. * * @since MU * * @param int $new_blog New blog ID. * @param int $new_blog Blog ID. */ do_action( 'switch_blog', $new_blog, $new_blog ); $GLOBALS['switched'] = true; return true; } $wpdb->set_blog_id( $new_blog ); $GLOBALS['table_prefix'] = $wpdb->get_blog_prefix(); $prev_blog_id = $GLOBALS['blog_id']; $GLOBALS['blog_id'] = $new_blog; if ( function_exists( 'wp_cache_switch_to_blog' ) ) { wp_cache_switch_to_blog( $new_blog ); } else { global $wp_object_cache; if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) $global_groups = $wp_object_cache->global_groups; else $global_groups = false; wp_cache_init(); if ( function_exists( 'wp_cache_add_global_groups' ) ) { if ( is_array( $global_groups ) ) { wp_cache_add_global_groups( $global_groups ); } else { wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'site-details' ) ); } wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) ); } } if ( did_action( 'init' ) ) { wp_roles()->reinit(); $current_user = wp_get_current_user(); $current_user->for_blog( $new_blog ); } /** This filter is documented in wp-includes/ms-blogs.php */ do_action( 'switch_blog', $new_blog, $prev_blog_id ); $GLOBALS['switched'] = true; return true; } /** * Restore the current blog, after calling switch_to_blog() * * @see switch_to_blog() * @since MU * * @global wpdb $wpdb * @global array $_wp_switched_stack * @global int $blog_id * @global bool $switched * @global string $table_prefix * @global WP_Object_Cache $wp_object_cache * * @return bool True on success, false if we're already on the current blog */ function restore_current_blog() { global $wpdb; if ( empty( $GLOBALS['_wp_switched_stack'] ) ) return false; $blog = array_pop( $GLOBALS['_wp_switched_stack'] ); if ( $GLOBALS['blog_id'] == $blog ) { /** This filter is documented in wp-includes/ms-blogs.php */ do_action( 'switch_blog', $blog, $blog ); // If we still have items in the switched stack, consider ourselves still 'switched' $GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] ); return true; } $wpdb->set_blog_id( $blog ); $prev_blog_id = $GLOBALS['blog_id']; $GLOBALS['blog_id'] = $blog; $GLOBALS['table_prefix'] = $wpdb->get_blog_prefix(); if ( function_exists( 'wp_cache_switch_to_blog' ) ) { wp_cache_switch_to_blog( $blog ); } else { global $wp_object_cache; if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) $global_groups = $wp_object_cache->global_groups; else $global_groups = false; wp_cache_init(); if ( function_exists( 'wp_cache_add_global_groups' ) ) { if ( is_array( $global_groups ) ) { wp_cache_add_global_groups( $global_groups ); } else { wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'site-details' ) ); } wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) ); } } if ( did_action( 'init' ) ) { wp_roles()->reinit(); $current_user = wp_get_current_user(); $current_user->for_blog( $blog ); } /** This filter is documented in wp-includes/ms-blogs.php */ do_action( 'switch_blog', $blog, $prev_blog_id ); // If we still have items in the switched stack, consider ourselves still 'switched' $GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] ); return true; } /** * Determines if switch_to_blog() is in effect * * @since 3.5.0 * * @global array $_wp_switched_stack * * @return bool True if switched, false otherwise. */ function ms_is_switched() { return ! empty( $GLOBALS['_wp_switched_stack'] ); } /** * Check if a particular blog is archived. * * @since MU * * @param int $id The blog id * @return string Whether the blog is archived or not */ function is_archived( $id ) { return get_blog_status($id, 'archived'); } /** * Update the 'archived' status of a particular blog. * * @since MU * * @param int $id The blog id * @param string $archived The new status * @return string $archived */ function update_archived( $id, $archived ) { update_blog_status($id, 'archived', $archived); return $archived; } /** * Update a blog details field. * * @since MU * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $blog_id BLog ID * @param string $pref A field name * @param string $value Value for $pref * @param null $deprecated * @return string|false $value */ function update_blog_status( $blog_id, $pref, $value, $deprecated = null ) { global $wpdb; if ( null !== $deprecated ) _deprecated_argument( __FUNCTION__, '3.1.0' ); if ( ! in_array( $pref, array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id') ) ) return $value; $result = $wpdb->update( $wpdb->blogs, array($pref => $value, 'last_updated' => current_time('mysql', true)), array('blog_id' => $blog_id) ); if ( false === $result ) return false; refresh_blog_details( $blog_id ); if ( 'spam' == $pref ) { if ( $value == 1 ) { /** This filter is documented in wp-includes/ms-blogs.php */ do_action( 'make_spam_blog', $blog_id ); } else { /** This filter is documented in wp-includes/ms-blogs.php */ do_action( 'make_ham_blog', $blog_id ); } } elseif ( 'mature' == $pref ) { if ( $value == 1 ) { /** This filter is documented in wp-includes/ms-blogs.php */ do_action( 'mature_blog', $blog_id ); } else { /** This filter is documented in wp-includes/ms-blogs.php */ do_action( 'unmature_blog', $blog_id ); } } elseif ( 'archived' == $pref ) { if ( $value == 1 ) { /** This filter is documented in wp-includes/ms-blogs.php */ do_action( 'archive_blog', $blog_id ); } else { /** This filter is documented in wp-includes/ms-blogs.php */ do_action( 'unarchive_blog', $blog_id ); } } elseif ( 'deleted' == $pref ) { if ( $value == 1 ) { /** This filter is documented in wp-includes/ms-blogs.php */ do_action( 'make_delete_blog', $blog_id ); } else { /** This filter is documented in wp-includes/ms-blogs.php */ do_action( 'make_undelete_blog', $blog_id ); } } elseif ( 'public' == $pref ) { /** * Fires after the current blog's 'public' setting is updated. * * @since MU * * @param int $blog_id Blog ID. * @param string $value The value of blog status. */ do_action( 'update_blog_public', $blog_id, $value ); // Moved here from update_blog_public(). } return $value; } /** * Get a blog details field. * * @since MU * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $id The blog id * @param string $pref A field name * @return bool|string|null $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 * * @global wpdb $wpdb WordPress database abstraction object. * * @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 ); } /** * Retrieves a list of networks. * * @since 4.6.0 * * @param string|array $args Optional. Array or string of arguments. See WP_Network_Query::parse_query() * for information on accepted arguments. Default empty array. * @return int|array List of networks or number of found networks if `$count` argument is true. */ function get_networks( $args = array() ) { $query = new WP_Network_Query(); return $query->query( $args ); } /** * Retrieves network data given a network ID or network object. * * Network data will be cached and returned after being passed through a filter. * If the provided network is empty, the current network global will be used. * * @since 4.6.0 * * @global WP_Network $current_site * * @param WP_Network|int|null $network Optional. Network to retrieve. Default is the current network. * @return WP_Network|null The network object or null if not found. */ function get_network( $network = null ) { global $current_site; if ( empty( $network ) && isset( $current_site ) ) { $network = $current_site; } if ( $network instanceof WP_Network ) { $_network = $network; } elseif ( is_object( $network ) ) { $_network = new WP_Network( $network ); } else { $_network = WP_Network::get_instance( $network ); } if ( ! $_network ) { return null; } /** * Fires after a network is retrieved. * * @since 4.6.0 * * @param WP_Network $_network Network data. */ $_network = apply_filters( 'get_network', $_network ); return $_network; } /** * Removes a network from the object cache. * * @since 4.6.0 * * @param int|array $ids Network ID or an array of network IDs to remove from cache. */ function clean_network_cache( $ids ) { foreach ( (array) $ids as $id ) { wp_cache_delete( $id, 'networks' ); /** * Fires immediately after a network has been removed from the object cache. * * @since 4.6.0 * * @param int $id Network ID. */ do_action( 'clean_network_cache', $id ); } wp_cache_set( 'last_changed', microtime(), 'networks' ); } /** * Updates the network cache of given networks. * * Will add the networks in $networks to the cache. If network ID already exists * in the network cache then it will not be updated. The network is added to the * cache using the network group with the key using the ID of the networks. * * @since 4.6.0 * * @param array $networks Array of network row objects. */ function update_network_cache( $networks ) { foreach ( (array) $networks as $network ) { wp_cache_add( $network->id, $network, 'networks' ); } } /** * Adds any networks from the given IDs to the cache that do not already exist in cache. * * @since 4.6.0 * @access private * * @see update_network_cache() * @global wpdb $wpdb WordPress database abstraction object. * * @param array $network_ids Array of network IDs. */ function _prime_network_caches( $network_ids ) { global $wpdb; $non_cached_ids = _get_non_cached_ids( $network_ids, 'networks' ); if ( !empty( $non_cached_ids ) ) { $fresh_networks = $wpdb->get_results( sprintf( "SELECT $wpdb->site.* FROM $wpdb->site WHERE id IN (%s)", join( ",", array_map( 'intval', $non_cached_ids ) ) ) ); update_network_cache( $fresh_networks ); } } /** * 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 || ! $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 || ! $post_type_obj->public ) { return; } if ( 'publish' != $post->post_status ) { return; } wpmu_update_blogs_date(); } /** * Handler for updating the blog posts count date when a post is deleted. * * @since 4.0.0 * * @param int $post_id Post ID. */ function _update_posts_count_on_delete( $post_id ) { $post = get_post( $post_id ); if ( ! $post || 'publish' !== $post->post_status ) { return; } update_posts_count(); } /** * Handler for updating the blog posts count date when a post status changes. * * @since 4.0.0 * * @param string $new_status The status the post is changing to. * @param string $old_status The status the post is changing from. */ function _update_posts_count_on_transition_post_status( $new_status, $old_status ) { if ( $new_status === $old_status ) { return; } if ( 'publish' !== $new_status && 'publish' !== $old_status ) { return; } update_posts_count(); }
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