function bbp_get_forum_id( $forum_id = 0 ) {
		$bbp      = bbpress();
		$wp_query = bbp_get_wp_query();

		// Easy empty checking
		if ( ! empty( $forum_id ) && is_numeric( $forum_id ) ) {
			$bbp_forum_id = $forum_id;

		// Currently inside a forum loop
		} elseif ( ! empty( $bbp->forum_query->in_the_loop ) && isset( $bbp->forum_query->post->ID ) ) {
			$bbp_forum_id = $bbp->forum_query->post->ID;

		// Currently inside a search loop
		} elseif ( ! empty( $bbp->search_query->in_the_loop ) && isset( $bbp->search_query->post->ID ) && bbp_is_forum( $bbp->search_query->post->ID ) ) {
			$bbp_forum_id = $bbp->search_query->post->ID;

		// Currently viewing a forum
		} elseif ( ( bbp_is_single_forum() || bbp_is_forum_edit() ) && ! empty( $bbp->current_forum_id ) ) {
			$bbp_forum_id = $bbp->current_forum_id;

		// Currently viewing a forum
		} elseif ( ( bbp_is_single_forum() || bbp_is_forum_edit() ) && isset( $wp_query->post->ID ) ) {
			$bbp_forum_id = $wp_query->post->ID;

		// Currently viewing a topic
		} elseif ( bbp_is_single_topic() ) {
			$bbp_forum_id = bbp_get_topic_forum_id();

		// Fallback
		} else {
			$bbp_forum_id = 0;
		}

		// Filter & return
		return (int) apply_filters( 'bbp_get_forum_id', (int) $bbp_forum_id, $forum_id );
	}