diff -r 000000000000 -r d970ebf37754 wp/wp-includes/ms-blogs.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wp/wp-includes/ms-blogs.php Wed Nov 06 03:21:17 2013 +0000 @@ -0,0 +1,757 @@ +blogid, array('last_updated' => current_time('mysql', true)) ); + + 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 + */ +function get_blogaddress_by_id( $blog_id ) { + $bloginfo = get_blog_details( (int) $blog_id, false ); // only get bare details! + return esc_url( 'http://' . $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 + * + * @param string $slug + * @return int A blog id + */ +function get_id_from_blogname( $slug ) { + global $wpdb, $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 + * + * @param int|string|array $fields A blog ID, a blog slug, or an array of fields to query against. Optional. 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 object Blog details. + */ +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 = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE blog_id = %d /* get_blog_details */", $blog_id ) ); + if ( ! $details ) { + // Set the full cache. + wp_cache_set( $blog_id, -1, 'blog-details' ); + return false; + } + } + + 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' ); + restore_current_blog(); + + $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 Blog ID + */ +function refresh_blog_details( $blog_id ) { + $blog_id = (int) $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 ); + + do_action( 'refresh_blog_details', $blog_id ); +} + +/** + * Update the details for a blog. Updates the blogs table for a given blog id. + * + * @since MU + * + * @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 ) + $update_details[$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 ) + do_action( 'make_spam_blog', $blog_id ); + else + do_action( 'make_ham_blog', $blog_id ); + } + + // If mature status changed, issue actions. + if ( $details[ 'mature' ] != $current_details[ 'mature' ] ) { + if ( $details[ 'mature' ] == 1 ) + do_action( 'mature_blog', $blog_id ); + else + do_action( 'unmature_blog', $blog_id ); + } + + // If archived status changed, issue actions. + if ( $details[ 'archived' ] != $current_details[ 'archived' ] ) { + if ( $details[ 'archived' ] == 1 ) + do_action( 'archive_blog', $blog_id ); + else + do_action( 'unarchive_blog', $blog_id ); + } + + // If deleted status changed, issue actions. + if ( $details[ 'deleted' ] != $current_details[ 'deleted' ] ) { + if ( $details[ 'deleted' ] == 1 ) + do_action( 'make_delete_blog', $blog_id ); + else + 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 stdClass $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 , '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' ); +} + +/** + * 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(); + + 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 + * @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' ); + + 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 + * + * @param int $new_blog The id of the blog you want to switch to. Default: current blog + * @param bool $deprecated Deprecated argument + * @return bool True on success, false if the validation failed + */ +function switch_to_blog( $new_blog, $deprecated = null ) { + global $wpdb, $wp_roles; + + 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'] ) { + 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', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', ' blog-id-cache' ) ); + wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) ); + } + } + + if ( did_action( 'init' ) ) { + $wp_roles->reinit(); + $current_user = wp_get_current_user(); + $current_user->for_blog( $new_blog ); + } + + 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 + * + * @return bool True on success, false if we're already on the current blog + */ +function restore_current_blog() { + global $wpdb, $wp_roles; + + if ( empty( $GLOBALS['_wp_switched_stack'] ) ) + return false; + + $blog = array_pop( $GLOBALS['_wp_switched_stack'] ); + + if ( $GLOBALS['blog_id'] == $blog ) { + 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', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', ' blog-id-cache' ) ); + wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) ); + } + } + + if ( did_action( 'init' ) ) { + $wp_roles->reinit(); + $current_user = wp_get_current_user(); + $current_user->for_blog( $blog ); + } + + 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 + * + * @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 + * + * @param int $blog_id BLog ID + * @param string $pref A field name + * @param string $value Value for $pref + * @return string $value + */ +function update_blog_status( $blog_id, $pref, $value, $deprecated = null ) { + global $wpdb; + + if ( null !== $deprecated ) + _deprecated_argument( __FUNCTION__, '3.1' ); + + if ( ! in_array( $pref, array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id') ) ) + return $value; + + $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 ) + ( $value == 1 ) ? do_action( 'make_spam_blog', $blog_id ) : do_action( 'make_ham_blog', $blog_id ); + elseif ( 'mature' == $pref ) + ( $value == 1 ) ? do_action( 'mature_blog', $blog_id ) : do_action( 'unmature_blog', $blog_id ); + elseif ( 'archived' == $pref ) + ( $value == 1 ) ? do_action( 'archive_blog', $blog_id ) : do_action( 'unarchive_blog', $blog_id ); + elseif ( 'deleted' == $pref ) + ( $value == 1 ) ? do_action( 'make_delete_blog', $blog_id ) : do_action( 'make_undelete_blog', $blog_id ); + elseif ( 'public' == $pref ) + do_action( 'update_blog_public', $blog_id, $value ); // Moved here from update_blog_public(). + + return $value; +} + +/** + * Get a blog details field. + * + * @since MU + * + * @param int $id The blog id + * @param string $pref A field name + * @return bool $value + */ +function get_blog_status( $id, $pref ) { + global $wpdb; + + $details = get_blog_details( $id, false ); + if ( $details ) + return $details->$pref; + + return $wpdb->get_var( $wpdb->prepare("SELECT %s FROM {$wpdb->blogs} WHERE blog_id = %d", $pref, $id) ); +} + +/** + * Get a list of most recently updated blogs. + * + * @since MU + * + * @param mixed $deprecated Not used + * @param int $start The offset + * @param int $quantity The maximum number of blogs to retrieve. Default is 40. + * @return array The list of blogs + */ +function get_last_updated( $deprecated = '', $start = 0, $quantity = 40 ) { + global $wpdb; + + if ( ! empty( $deprecated ) ) + _deprecated_argument( __FUNCTION__, 'MU' ); // never used + + return $wpdb->get_results( $wpdb->prepare("SELECT blog_id, domain, path FROM $wpdb->blogs WHERE site_id = %d AND public = '1' AND archived = '0' AND mature = '0' AND spam = '0' AND deleted = '0' AND last_updated != '0000-00-00 00:00:00' ORDER BY last_updated DESC limit %d, %d", $wpdb->siteid, $start, $quantity ) , ARRAY_A ); +} + +/** + * Handler for updating the blog date when a post is published or an already published post is changed. + * + * @since 3.3.0 + * + * @param string $new_status The new post status + * @param string $old_status The old post status + * @param object $post Post object + */ +function _update_blog_date_on_post_publish( $new_status, $old_status, $post ) { + $post_type_obj = get_post_type_object( $post->post_type ); + if ( ! $post_type_obj->public ) + return; + + if ( 'publish' != $new_status && 'publish' != $old_status ) + return; + + // Post was freshly published, published post was saved, or published post was unpublished. + + wpmu_update_blogs_date(); +} + +/** + * Handler for updating the blog date when a published post is deleted. + * + * @since 3.4.0 + * + * @param int $post_id Post ID + */ +function _update_blog_date_on_post_delete( $post_id ) { + $post = get_post( $post_id ); + + $post_type_obj = get_post_type_object( $post->post_type ); + if ( ! $post_type_obj->public ) + return; + + if ( 'publish' != $post->post_status ) + return; + + wpmu_update_blogs_date(); +} +