WordPress Version: 5.6
/**
* Moves comments for a post to the Trash.
*
* @since 2.9.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post.
* @return mixed|void False on failure.
*/
function wp_trash_post_comments($post = null)
{
global $wpdb;
$post = get_post($post);
if (!$post) {
return;
}
$post_id = $post->ID;
/**
* Fires before comments are sent to the Trash.
*
* @since 2.9.0
*
* @param int $post_id Post ID.
*/
do_action('trash_post_comments', $post_id);
$comments = $wpdb->get_results($wpdb->prepare("SELECT comment_ID, comment_approved FROM {$wpdb->comments} WHERE comment_post_ID = %d", $post_id));
if (!$comments) {
return;
}
// Cache current status for each comment.
$statuses = array();
foreach ($comments as $comment) {
$statuses[$comment->comment_ID] = $comment->comment_approved;
}
add_post_meta($post_id, '_wp_trash_meta_comments_status', $statuses);
// Set status for all comments to post-trashed.
$result = $wpdb->update($wpdb->comments, array('comment_approved' => 'post-trashed'), array('comment_post_ID' => $post_id));
clean_comment_cache(array_keys($statuses));
/**
* Fires after comments are sent to the Trash.
*
* @since 2.9.0
*
* @param int $post_id Post ID.
* @param array $statuses Array of comment statuses.
*/
do_action('trashed_post_comments', $post_id, $statuses);
return $result;
}