LearnDash_Search::posts_join_request LearnDash_Search::posts_join_request( string $join, Object $query ) Filter WP_Query ‘join’ string to add LD search logic. ContentsDescription Parameters Return Source Related @package Description # Parameters # $join (string) (Required) SQL join part. $query (Object) (Required) WP_Query object. Return # (string) $join. Source # File: includes/class-ld-search.php Related # @package # LearnDash / Search