1334 lines
38 KiB
PHP
1334 lines
38 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 (3.0.0)
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*/
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/**
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* Update the last_updated field for the current site.
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*
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* @since MU (3.0.0)
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*/
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function wpmu_update_blogs_date() {
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$site_id = get_current_blog_id();
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update_blog_details( $site_id, array( 'last_updated' => current_time( 'mysql', true ) ) );
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/**
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* Fires after the blog details are updated.
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*
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* @since MU (3.0.0)
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*
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* @param int $blog_id Site ID.
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*/
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do_action( 'wpmu_blog_updated', $site_id );
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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 (3.0.0)
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*
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* @param int $blog_id Blog ID
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* @return string Full URL of the blog if found. Empty string if not.
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*/
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function get_blogaddress_by_id( $blog_id ) {
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$bloginfo = get_site( (int) $blog_id );
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if ( empty( $bloginfo ) ) {
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return '';
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}
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$scheme = parse_url( $bloginfo->home, PHP_URL_SCHEME );
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$scheme = empty( $scheme ) ? 'http' : $scheme;
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return esc_url( $scheme . '://' . $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 (3.0.0)
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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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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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* Retrieves a site's ID given its (subdomain or directory) slug.
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*
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* @since MU (3.0.0)
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* @since 4.7.0 Converted to use get_sites().
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* @since 4.9.0 Converted to use get_site_by().
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*
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* @param string $slug A site's slug.
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* @return int|null The site ID, or null if no site is found for the given slug.
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*/
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function get_id_from_blogname( $slug ) {
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$result = get_site_by( 'slug', $slug );
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if ( ! $result ) {
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return null;
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}
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return $result->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 (3.0.0)
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* @since 4.9.0 Use get_site_by() internally.
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*
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* @param int|string|array $fields Optional. A blog ID, a blog slug, or an array of fields to query against.
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* If not specified the current blog ID is used.
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* @param bool $get_all Whether to retrieve all details or only the details in the blogs table.
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* Default is true.
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* @return WP_Site|false Blog details on success. False on failure.
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*/
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function get_blog_details( $fields = null, $get_all = true ) {
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if ( is_array( $fields ) ) {
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if ( isset( $fields['blog_id'] ) ) {
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$field = 'id';
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$value = (int) $fields['blog_id'];
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} elseif ( isset( $fields['domain'] ) && isset( $fields['path'] ) ) {
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$field = 'url';
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$value = $fields['domain'] . '/' . ltrim( $fields['path'], '/' );
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} elseif ( isset( $fields['domain'] ) && is_subdomain_install() ) {
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$field = 'domain';
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$value = $fields['domain'];
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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 ( ! $fields ) {
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$field = 'id';
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$value = get_current_blog_id();
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} elseif ( ! is_numeric( $fields ) ) {
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$field = 'slug';
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$value = $fields;
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} else {
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$field = 'id';
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$value = (int) $fields;
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}
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}
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$site = get_site_by( $field, $value );
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if ( ! $site ) {
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return false;
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}
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if ( $get_all ) {
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// Prepopulate magic properties for backward compatibility.
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foreach ( array( 'blogname', 'siteurl', 'post_count', 'home' ) as $detail ) {
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$site->$detail = $site->$detail;
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}
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}
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return $site;
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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 (3.0.0)
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*
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* @param int $blog_id Optional. Blog ID. Defaults to current blog.
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*/
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function refresh_blog_details( $blog_id = 0 ) {
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$blog_id = (int) $blog_id;
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if ( ! $blog_id ) {
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$blog_id = get_current_blog_id();
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}
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clean_blog_cache( $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 (3.0.0)
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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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_site( $blog_id );
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if ( empty($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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if ( 'path' === $field ) {
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$details[ $field ] = trailingslashit( '/' . trim( $details[ $field ], '/' ) );
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}
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$update_details[ $field ] = $details[ $field ];
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}
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$result = $wpdb->update( $wpdb->blogs, $update_details, array('blog_id' => $blog_id) );
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if ( false === $result )
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return false;
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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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/**
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* Fires when the 'spam' status is added to a blog.
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*
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* @since MU (3.0.0)
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*
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* @param int $blog_id Blog ID.
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*/
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do_action( 'make_spam_blog', $blog_id );
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} else {
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/**
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* Fires when the 'spam' status is removed from a blog.
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*
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* @since MU (3.0.0)
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*
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* @param int $blog_id Blog ID.
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*/
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do_action( 'make_ham_blog', $blog_id );
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}
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}
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// If mature status changed, issue actions.
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if ( $details['mature'] != $current_details['mature'] ) {
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if ( $details['mature'] == 1 ) {
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/**
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* Fires when the 'mature' status is added to a blog.
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*
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* @since 3.1.0
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*
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* @param int $blog_id Blog ID.
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*/
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do_action( 'mature_blog', $blog_id );
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} else {
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/**
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* Fires when the 'mature' status is removed from a blog.
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*
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* @since 3.1.0
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*
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* @param int $blog_id Blog ID.
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*/
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do_action( 'unmature_blog', $blog_id );
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}
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}
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// If archived status changed, issue actions.
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if ( $details['archived'] != $current_details['archived'] ) {
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if ( $details['archived'] == 1 ) {
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/**
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* Fires when the 'archived' status is added to a blog.
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*
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* @since MU (3.0.0)
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*
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* @param int $blog_id Blog ID.
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*/
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do_action( 'archive_blog', $blog_id );
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} else {
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/**
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* Fires when the 'archived' status is removed from a blog.
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*
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* @since MU (3.0.0)
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*
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* @param int $blog_id Blog ID.
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*/
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do_action( 'unarchive_blog', $blog_id );
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}
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}
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// If deleted status changed, issue actions.
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if ( $details['deleted'] != $current_details['deleted'] ) {
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if ( $details['deleted'] == 1 ) {
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/**
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* Fires when the 'deleted' status is added to a blog.
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*
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* @since 3.5.0
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*
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* @param int $blog_id Blog ID.
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*/
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do_action( 'make_delete_blog', $blog_id );
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} else {
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/**
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* Fires when the 'deleted' status is removed from a blog.
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*
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* @since 3.5.0
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*
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* @param int $blog_id Blog ID.
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*/
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do_action( 'make_undelete_blog', $blog_id );
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}
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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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clean_blog_cache( $blog_id );
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return true;
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}
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/**
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* Clean the blog cache
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*
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* @since 3.5.0
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*
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* @global bool $_wp_suspend_cache_invalidation
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*
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* @param WP_Site|int $blog The site object or ID to be cleared from cache.
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*/
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function clean_blog_cache( $blog ) {
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global $_wp_suspend_cache_invalidation;
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if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
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return;
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}
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if ( empty( $blog ) ) {
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return;
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}
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$blog_id = $blog;
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$blog = get_site( $blog_id );
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if ( ! $blog ) {
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if ( ! is_numeric( $blog_id ) ) {
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return;
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}
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// Make sure a WP_Site object exists even when the site has been deleted.
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$blog = new WP_Site( (object) array(
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'blog_id' => $blog_id,
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'domain' => null,
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'path' => null,
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) );
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}
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$blog_id = $blog->blog_id;
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$domain_path_key = md5( $blog->domain . $blog->path );
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wp_cache_delete( $blog_id, 'sites' );
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wp_cache_delete( $blog_id, 'site-details' );
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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( $domain_path_key, 'blog-lookup' );
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wp_cache_delete( $domain_path_key, 'blog-id-cache' );
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wp_cache_delete( 'current_blog_' . $blog->domain, 'site-options' );
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wp_cache_delete( 'current_blog_' . $blog->domain . $blog->path, 'site-options' );
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/**
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* Fires immediately after a site has been removed from the object cache.
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*
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* @since 4.6.0
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*
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* @param int $id Blog ID.
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* @param WP_Site $blog Site object.
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* @param string $domain_path_key md5 hash of domain and path.
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*/
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do_action( 'clean_site_cache', $blog_id, $blog, $domain_path_key );
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wp_cache_set( 'last_changed', microtime(), 'sites' );
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/**
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* Fires after the blog details cache is cleared.
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*
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* @since 3.4.0
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* @deprecated 4.9.0 Use clean_site_cache
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*
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* @param int $blog_id Blog ID.
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*/
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do_action_deprecated( 'refresh_blog_details', array( $blog_id ), '4.9.0', 'clean_site_cache' );
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}
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/**
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* Cleans the site details cache for a site.
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*
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* @since 4.7.4
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*
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* @param int $site_id Optional. Site ID. Default is the current site ID.
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*/
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function clean_site_details_cache( $site_id = 0 ) {
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$site_id = (int) $site_id;
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if ( ! $site_id ) {
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$site_id = get_current_blog_id();
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}
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wp_cache_delete( $site_id, 'site-details' );
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wp_cache_delete( $site_id, 'blog-details' );
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}
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/**
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* Retrieves site data given a site ID or site object.
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*
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* Site data will be cached and returned after being passed through a filter.
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* If the provided site is empty, the current site global will be used.
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*
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* @since 4.6.0
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*
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* @param WP_Site|int|null $site Optional. Site to retrieve. Default is the current site.
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* @return WP_Site|null The site object or null if not found.
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*/
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function get_site( $site = null ) {
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if ( empty( $site ) ) {
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$site = get_current_blog_id();
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}
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if ( $site instanceof WP_Site ) {
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$_site = $site;
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} elseif ( is_object( $site ) ) {
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$_site = new WP_Site( $site );
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} else {
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$_site = WP_Site::get_instance( $site );
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}
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if ( ! $_site ) {
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return null;
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}
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/**
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* Fires after a site is retrieved.
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*
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* @since 4.6.0
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*
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* @param WP_Site $_site Site data.
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*/
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$_site = apply_filters( 'get_site', $_site );
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return $_site;
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}
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/**
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* Retrieves a site by a given field and value.
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*
|
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* @since 4.9.0
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*
|
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* @param string $field Name of a field to query against. Accepts 'id', 'slug', 'url',
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* 'domain' (if a subdomain install) or 'path' (if a subdirectory install).
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* @param string|int $value The search value for $field.
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* @param int|null $network_id Optional. ID of the network. Default is the current network.
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* @return WP_Site|null The site object or null if not found.
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*/
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function get_site_by( $field, $value, $network_id = null ) {
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$args = array();
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// `get_sites()` will return unexpected results if empty strings are passed as arguments.
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if ( 'slug' === $field || 'url' === $field || 'domain' === $field || 'path' === $field ) {
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if ( ! is_string( $value ) && ! is_numeric( $value ) ) {
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return null;
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}
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$value = trim( $value );
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if ( 0 === strlen( $value ) ) {
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return null;
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}
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}
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switch ( $field ) {
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case 'id':
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if ( ! is_numeric( $value ) ) {
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return null;
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}
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$args['site__in'][] = intval( $value );
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break;
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case 'slug':
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$network = get_network( $network_id );
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if ( ! $network ) {
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return null;
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}
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if ( is_subdomain_install() ) {
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$args['domain'] = trim( $value, '/' ) . '.' . preg_replace( '|^www\.|', '', $network->domain );
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$args['path'] = $network->path;
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} else {
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$args['domain'] = $network->domain;
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$args['path'] = $network->path . trim( $value, '/' ) . '/';
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}
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break;
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case 'url':
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if ( 0 !== strpos( $value, 'http://' ) && 0 !== strpos( $value, 'https://' ) ) {
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$value = 'http://' . $value;
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}
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$parts = wp_parse_url( $value );
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if ( ! $parts ) {
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return null;
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}
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$args['domain'] = $parts['host'];
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if ( ! empty( $parts['path'] ) ) {
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$args['path'] = '/' . trim( $parts['path'], '/' ) . '/';
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} else {
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$args['path'] = '/';
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}
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break;
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case 'domain':
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if ( ! is_subdomain_install() ) {
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return null;
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}
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$args['domain'] = $value;
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break;
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case 'path':
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if ( is_subdomain_install() ) {
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return null;
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}
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$args['path'] = '/' . trim( $value, '/' ) . '/';
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break;
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default:
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return null;
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}
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|
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if ( isset( $args['domain'] ) && substr( $args['domain'], 0, 4 ) === 'www.' ) {
|
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$nowww = substr( $args['domain'], 4 );
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|
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$args['domain__in'] = array( $nowww, $args['domain'] );
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unset( $args['domain'] );
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|
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$args['orderby'] = 'domain_length';
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$args['order'] = 'DESC';
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}
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|
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if ( isset( $args['path'] ) ) {
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$args['path'] = str_replace( '//', '/', $args['path'] );
|
|
}
|
|
|
|
if ( ! empty( $network_id ) ) {
|
|
$args['network_id'] = (int) $network_id;
|
|
}
|
|
|
|
$args['number'] = 1;
|
|
|
|
$sites = get_sites( $args );
|
|
|
|
if ( empty( $sites ) ) {
|
|
return null;
|
|
}
|
|
|
|
return array_shift( $sites );
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
* @since 4.8.0 Introduced the 'lang_id', 'lang__in', and 'lang__not_in' parameters.
|
|
*
|
|
* @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' (returns an array of site IDs)
|
|
* or empty (returns an array of complete site objects). 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 100.
|
|
* @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. If 0,
|
|
* include all networks. Default 0.
|
|
* @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 int $lang_id Limit results to a language ID. Default empty.
|
|
* @type array $lang__in Array of language IDs to include affiliated sites for. Default empty.
|
|
* @type array $lang__not_in Array of language IDs to exclude affiliated sites for. Default empty.
|
|
* @type string $search Search term(s) to retrieve matching sites for. Default empty.
|
|
* @type array $search_columns Array of column names to be searched. Accepts 'domain' and 'path'.
|
|
* Default empty array.
|
|
* @type bool $update_site_cache Whether to prime the cache for found sites. Default false.
|
|
* }
|
|
* @return array|int List of sites, or number of sites when 'count' is passed as a query var.
|
|
*/
|
|
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 (3.0.0)
|
|
*
|
|
* @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 (3.0.0)
|
|
*
|
|
* @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 (3.0.0)
|
|
*
|
|
* @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 (3.0.0)
|
|
*
|
|
* @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();
|
|
|
|
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:
|
|
* - plugins. See #14941
|
|
*
|
|
* @see restore_current_blog()
|
|
* @since MU (3.0.0)
|
|
*
|
|
* @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;
|
|
|
|
$blog_id = get_current_blog_id();
|
|
if ( empty( $new_blog ) ) {
|
|
$new_blog = $blog_id;
|
|
}
|
|
|
|
$GLOBALS['_wp_switched_stack'][] = $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 == $blog_id ) {
|
|
/**
|
|
* Fires when the blog is switched.
|
|
*
|
|
* @since MU (3.0.0)
|
|
*
|
|
* @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 = $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', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'site-details' ) );
|
|
}
|
|
wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) );
|
|
}
|
|
}
|
|
|
|
/** 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 (3.0.0)
|
|
*
|
|
* @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'] );
|
|
$blog_id = get_current_blog_id();
|
|
|
|
if ( $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 = $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', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'site-details' ) );
|
|
}
|
|
wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) );
|
|
}
|
|
}
|
|
|
|
/** 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;
|
|
}
|
|
|
|
/**
|
|
* Switches the initialized roles and current user capabilities to another site.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @param int $new_site_id New site ID.
|
|
* @param int $old_site_id Old site ID.
|
|
*/
|
|
function wp_switch_roles_and_user( $new_site_id, $old_site_id ) {
|
|
if ( $new_site_id == $old_site_id ) {
|
|
return;
|
|
}
|
|
|
|
if ( ! did_action( 'init' ) ) {
|
|
return;
|
|
}
|
|
|
|
wp_roles()->for_site( $new_site_id );
|
|
wp_get_current_user()->for_site( $new_site_id );
|
|
}
|
|
|
|
/**
|
|
* 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 (3.0.0)
|
|
*
|
|
* @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 (3.0.0)
|
|
*
|
|
* @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 (3.0.0)
|
|
*
|
|
* @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;
|
|
|
|
clean_blog_cache( $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 (3.0.0)
|
|
*
|
|
* @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 (3.0.0)
|
|
*
|
|
* @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_site( $id );
|
|
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 (3.0.0)
|
|
*
|
|
* @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", get_current_network_id(), $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
|
|
*
|
|
* @global bool $_wp_suspend_cache_invalidation
|
|
*
|
|
* @param int|array $ids Network ID or an array of network IDs to remove from cache.
|
|
*/
|
|
function clean_network_cache( $ids ) {
|
|
global $_wp_suspend_cache_invalidation;
|
|
|
|
if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
|
|
return;
|
|
}
|
|
|
|
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 site's last updated 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 current site's last updated 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 current site's posts count 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 || 'post' !== $post->post_type ) {
|
|
return;
|
|
}
|
|
|
|
update_posts_count();
|
|
}
|
|
|
|
/**
|
|
* Handler for updating the current site's posts count when a post status changes.
|
|
*
|
|
* @since 4.0.0
|
|
* @since 4.9.0 Added the `$post` parameter.
|
|
*
|
|
* @param string $new_status The status the post is changing to.
|
|
* @param string $old_status The status the post is changing from.
|
|
* @param WP_Post $post Post object
|
|
*/
|
|
function _update_posts_count_on_transition_post_status( $new_status, $old_status, $post = null ) {
|
|
if ( $new_status === $old_status ) {
|
|
return;
|
|
}
|
|
|
|
if ( 'post' !== get_post_type( $post ) ) {
|
|
return;
|
|
}
|
|
|
|
if ( 'publish' !== $new_status && 'publish' !== $old_status ) {
|
|
return;
|
|
}
|
|
|
|
update_posts_count();
|
|
}
|