WordPress 前台评论添加“删除”和“标识为垃圾”链接

/**
 * WordPress 前台评论添加“删除”和“标识为垃圾”链接
 * https://www.wpdaxue.com/add-delete-spam-links-to-comments.html
 */
function comment_manage_link($id) {
	global $comment, $post;
	$id = $comment->comment_ID;
	if(current_user_can( 'moderate_comments', $post->ID )){
		if ( null === $link ) $link = __('编辑');
		$link = '<a class="comment-edit-link" href="' . get_edit_comment_link( $comment->comment_ID ) . '" title="' . __( '编辑评论' ) . '">' . $link . '</a>';
		$link = $link . ' | <a href="'.admin_url("comment.php?action=cdc&c=$id").'">删除</a> ';
		$link = $link . ' | <a href="'.admin_url("comment.php?action=cdc&dt=spam&c=$id").'">标识为垃圾</a>';
		$link = $before . $link . $after;
		return $link;
	}
}
add_filter('edit_comment_link', 'comment_manage_link');