function bbp_get_form_topic_forum() {

		// Get _POST data
		if ( bbp_is_topic_form_post_request() && isset( $_POST['bbp_forum_id'] ) ) {
			$topic_forum = (int) $_POST['bbp_forum_id'];

		// Get edit data
		} elseif ( bbp_is_topic_edit() ) {
			$topic_forum = bbp_get_topic_forum_id();

		// No data
		} else {
			$topic_forum = 0;
		}

		// Filter & return
		return apply_filters( 'bbp_get_form_topic_forum', $topic_forum );
	}