wp_count_comments() WP 1.0

Retrieve total comments for blog or single post.

The comment stats are cached and then retrieved, if they already exist in the cache.

Hooks from the function

wp_count_comments

Return

stdClass. The number of comments keyed by their status.

approved(int)
The number of approved comments.
moderated(int)
The number of comments awaiting moderation (a.k.a. pending).
spam(int)
The number of spam comments.
trash(int)
The number of trashed comments.
post-trashed(int)
The number of comments for posts that are in the trash.
total_comments(int)
The total number of non-trashed comments, including spam.
all(int)
The total number of pending or approved comments.

Usage

wp_count_comments( $post_id );

$post_id(int): Restrict the comment counts to the given post.
Default: 0, which indicates that comment counts for the whole site will be retrieved

Notes

See: get_comment_count() Which handles fetching the live comment counts.

Changelog

Since 2.5.0

Introduced.

Code of `wp_count_comments() wp count comments` ^{WP 5.5.1}

wp-includes/comment.php

<?php
function wp_count_comments( $post_id = 0 ) {
	$post_id = (int) $post_id;

	/**
	 * Filters the comments count for a given post or the whole site.
	 *
	 * @since 2.7.0
	 *
	 * @param array|stdClass $count   An empty array or an object containing comment counts.
	 * @param int            $post_id The post ID. Can be 0 to represent the whole site.
	 */
	$filtered = apply_filters( 'wp_count_comments', array(), $post_id );
	if ( ! empty( $filtered ) ) {
		return $filtered;
	}

	$count = wp_cache_get( "comments-{$post_id}", 'counts' );
	if ( false !== $count ) {
		return $count;
	}

	$stats              = get_comment_count( $post_id );
	$stats['moderated'] = $stats['awaiting_moderation'];
	unset( $stats['awaiting_moderation'] );

	$stats_object = (object) $stats;
	wp_cache_set( "comments-{$post_id}", $stats_object, 'counts' );

	return $stats_object;
}