bbp_get_topic_subscribers( int $topic_id )
Get the users who have subscribed to the topic
Description
Parameters
- $topic_id
-
(int) (Optional) Topic id
Return
(array|bool) Results if the topic has any subscribers, otherwise false
Source
File: bp-forums/users/functions.php
function bbp_get_topic_subscribers( $topic_id = 0 ) { $topic_id = bbp_get_topic_id( $topic_id ); if ( empty( $topic_id ) ) return; global $wpdb; $key = $wpdb->prefix . '_bbp_subscriptions'; $users = wp_cache_get( 'bbp_get_topic_subscribers_' . $topic_id, 'bbpress_users' ); if ( false === $users ) { $users = $wpdb->get_col( "SELECT user_id FROM {$wpdb->usermeta} WHERE meta_key = '{$key}' and FIND_IN_SET('{$topic_id}', meta_value) > 0" ); wp_cache_set( 'bbp_get_topic_subscribers_' . $topic_id, $users, 'bbpress_users' ); } return apply_filters( 'bbp_get_topic_subscribers', $users ); }
Changelog
Version | Description |
---|---|
bbPress (r2668) | Introduced. |
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