_prime_comment_caches( int[] $comment_ids, bool $update_meta_cache = true )

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness. Use update_comment_cache() instead.

Adds any comments from the given IDs to the cache that do not already exist in cache.

Description

See also

Parameters

$comment_ids

(int[]) (Required) Array of comment IDs.

$update_meta_cache

(bool) (Optional) Whether to update the meta cache.

Default value: true

Source

File: wp-includes/comment.php 

function _prime_comment_caches( $comment_ids, $update_meta_cache = true ) {
	global $wpdb;

	$non_cached_ids = _get_non_cached_ids( $comment_ids, 'comment' );
	if ( ! empty( $non_cached_ids ) ) {
		$fresh_comments = $wpdb->get_results( sprintf( "SELECT $wpdb->comments.* FROM $wpdb->comments WHERE comment_ID IN (%s)", implode( ',', array_map( 'intval', $non_cached_ids ) ) ) );

		update_comment_cache( $fresh_comments, $update_meta_cache );
	}
}

Uses

Uses Description
wp-includes/functions.php: _get_non_cached_ids()

Retrieve IDs that are not already present in the cache.
wp-includes/wp-db.php: wpdb::get_results()

Retrieves an entire SQL result set from the database (i.e., many rows).
wp-includes/comment.php: update_comment_cache()

Updates the comment cache of given comments.

Changelog

Version Description
4.4.0 Introduced.

© 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/_prime_comment_caches