bbp_clean_post_cache( object|int $_post = '' )

function bbp_clean_post_cache( $_post = '' ) {

	// Bail if no post
	$_post = get_post( $_post );
	if ( empty( $_post ) )
		return;

	wp_cache_delete( $_post->ID, 'posts'     );
	wp_cache_delete( $_post->ID, 'post_meta' );

	clean_object_term_cache( $_post->ID, $_post->post_type );

	do_action( 'bbp_clean_post_cache', $_post->ID, $_post );

	// Child query types to clean
	$post_types = array(
		bbp_get_topic_post_type(),
		bbp_get_forum_post_type(),
		bbp_get_reply_post_type()
	);

	// Loop through query types and clean caches
	foreach ( $post_types as $post_type ) {
		wp_cache_delete( 'bbp_get_forum_'     . $_post->ID . '_reply_id',                              'bbpress_posts' );
		wp_cache_delete( 'bbp_parent_'        . $_post->ID . '_type_' . $post_type . '_child_last_id', 'bbpress_posts' );
		wp_cache_delete( 'bbp_parent_'        . $_post->ID . '_type_' . $post_type . '_child_count',   'bbpress_posts' );
		wp_cache_delete( 'bbp_parent_public_' . $_post->ID . '_type_' . $post_type . '_child_ids',     'bbpress_posts' );
		wp_cache_delete( 'bbp_parent_all_'    . $_post->ID . '_type_' . $post_type . '_child_ids',     'bbpress_posts' );
	}

	// Invalidate parent caches
	if ( ! empty( $_post->post_parent ) ) {
		bbp_clean_post_cache( $_post->post_parent );
	}
}