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Code Reference Functions bbp_get_forum_subscribers()

bbp_get_forum_subscribers( int $forum_id )

Get the users who have subscribed to the forum

Description

Parameters

$forum_id

(Optional) forum id

Return

(array|bool) Results if the forum has any subscribers, otherwise false

Source

File: bp-forums/users/functions.php 

function bbp_get_forum_subscribers( $forum_id = 0 ) {
	$forum_id = bbp_get_forum_id( $forum_id );
	if ( empty( $forum_id ) )
		return;

	global $wpdb;

	$key   = $wpdb->prefix . '_bbp_forum_subscriptions';
	$users = wp_cache_get( 'bbp_get_forum_subscribers_' . $forum_id, 'bbpress_users' );
	if ( false === $users ) {
		$users = $wpdb->get_col( "SELECT user_id FROM {$wpdb->usermeta} WHERE meta_key = '{$key}' and FIND_IN_SET('{$forum_id}', meta_value) > 0" );
		wp_cache_set( 'bbp_get_forum_subscribers_' . $forum_id, $users, 'bbpress_users' );
	}

	return apply_filters( 'bbp_get_forum_subscribers', $users );
}

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Changelog

Changelog
Version Description
bbPress (r5156) Introduced.

Uses

Uses
Uses Description
bp-forums/forums/template.php: bbp_get_forum_id()

Return the forum id

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