wp_update_comment_count() WP 1.0

Updates the comment count for post(s).

When $do_deferred is false (is by default) and the comments have been set to be deferred, the post_id will be added to a queue, which will be updated at a later date and only updated once per post ID.

If the comments have not be set up to be deferred, then the post will be updated. When $do_deferred is set to true, then all previous deferred post IDs will be updated along with the current $post_id.

No Hooks.

Return

true|false|null. True on success, false on failure or if post with ID does not exist.

Usage

wp_update_comment_count( $post_id, $do_deferred );

$post_id(int|null) (required)

Post ID.

$do_deferred(true|false)

Whether to process previously deferred post comment counts.
Default: false

Notes

• See: wp_update_comment_count_now() For what could cause a false return value

Changelog

Code of wp_update_comment_count() wp update comment count ^{WP 5.8.1}

function wp_update_comment_count( $post_id, $do_deferred = false ) {
	static $_deferred = array();

	if ( empty( $post_id ) && ! $do_deferred ) {
		return false;
	}

	if ( $do_deferred ) {
		$_deferred = array_unique( $_deferred );
		foreach ( $_deferred as $i => $_post_id ) {
			wp_update_comment_count_now( $_post_id );
			unset( $_deferred[ $i ] );
			/** @todo Move this outside of the foreach and reset $_deferred to an array instead */
		}
	}

	if ( wp_defer_comment_counting() ) {
		$_deferred[] = $post_id;
		return true;
	} elseif ( $post_id ) {
		return wp_update_comment_count_now( $post_id );
	}

}

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