wp_update_comment_count( int|null $post_id, bool $do_deferred = false ): bool|void

2743function wp_update_comment_count( $post_id, $do_deferred = false ) {2744	static $_deferred = array();2745 2746	if ( empty( $post_id ) && ! $do_deferred ) {2747		return false;2748	}2749 2750	if ( $do_deferred ) {2751		$_deferred = array_unique( $_deferred );2752		foreach ( $_deferred as $i => $_post_id ) {2753			wp_update_comment_count_now( $_post_id );2754			unset( $_deferred[ $i ] );2755			/** @todo Move this outside of the foreach and reset $_deferred to an array instead */2756		}2757	}2758 2759	if ( wp_defer_comment_counting() ) {2760		$_deferred[] = $post_id;2761		return true;2762	} elseif ( $post_id ) {2763		return wp_update_comment_count_now( $post_id );2764	}2765}