update_comment_cache( WP_Comment[] $comments, bool $update_meta_cache = true )
Updates the comment cache of given comments.
Description
Will add the comments in $comments to the cache. If comment ID already exists in the comment cache then it will not be updated. The comment is added to the cache using the comment group with the key using the ID of the comments.
Parameters
-
$commentsWP_Comment[] Required -
Array of comment objects
-
$update_meta_cachebool Optional -
Whether to update commentmeta cache.
Default:
true
Source
File: wp-includes/comment.php.
View all references
function update_comment_cache( $comments, $update_meta_cache = true ) {
$data = array();
foreach ( (array) $comments as $comment ) {
$data[ $comment->comment_ID ] = $comment;
}
wp_cache_add_multiple( $data, 'comment' );
if ( $update_meta_cache ) {
// Avoid `wp_list_pluck()` in case `$comments` is passed by reference.
$comment_ids = array();
foreach ( $comments as $comment ) {
$comment_ids[] = $comment->comment_ID;
}
update_meta_cache( 'comment', $comment_ids );
}
}
Changelog
| Version | Description |
|---|---|
| 4.4.0 | Introduced the $update_meta_cache parameter. |
| 2.3.0 | Introduced. |