WordPress Version: 6.3
/**
* Retrieves the amount of comments a post has.
*
* @since 1.5.0
*
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is the global `$post`.
* @return string|int If the post exists, a numeric string representing the number of comments
* the post has, otherwise 0.
*/
function get_comments_number($post = 0)
{
$post = get_post($post);
$comments_number = $post ? $post->comment_count : 0;
$post_id = $post ? $post->ID : 0;
/**
* Filters the returned comment count for a post.
*
* @since 1.5.0
*
* @param string|int $comments_number A string representing the number of comments a post has, otherwise 0.
* @param int $post_id Post ID.
*/
return apply_filters('get_comments_number', $comments_number, $post_id);
}