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

2812function wp_update_comment_count( $post_id, $do_deferred = false ) {2813	static $_deferred = array();2814 2815	if ( empty( $post_id ) && ! $do_deferred ) {2816		return false;2817	}2818 2819	if ( $do_deferred ) {2820		$_deferred = array_unique( $_deferred );2821		foreach ( $_deferred as $i => $_post_id ) {2822			wp_update_comment_count_now( $_post_id );2823			unset( $_deferred[ $i ] );2824			/** @todo Move this outside of the foreach and reset $_deferred to an array instead */2825		}2826	}2827 2828	if ( wp_defer_comment_counting() ) {2829		$_deferred[] = $post_id;2830		return true;2831	} elseif ( $post_id ) {2832		return wp_update_comment_count_now( $post_id );2833	}2834}