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wp_count_comments( int $post_id )

Retrieve total comments for blog or single post.

Description

The properties of the returned object contain the ‘moderated’, ‘approved’, and spam comments for either the entire blog or single post. Those properties contain the amount of comments that match the status. The ‘total_comments’ property contains the integer of total comments.

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

Parameters

$post_id

(int) (Optional) Post ID.

Return

(object|array) Comment stats.

Source

File: wp-includes/comment.php

function wp_count_comments( $post_id = 0 ) {
	$post_id = (int) $post_id;

	/**
	 * Filters the comments count for a given post.
	 *
	 * @since 2.7.0
	 *
	 * @param array $count   An empty array.
	 * @param int   $post_id The post ID.
	 */
	$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;
}

Changelog

Version Description
2.5.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_count_comments