Ris

<?php
 
	class onCommentsActivityBeforeList extends cmsAction {
 
		public function run($items){
 
			$limit = cmsController::loadOptions('comments')['limit'];
 
			$comments = $this->model->orderBy('date_pub', 'desc')->filterIsNull('is_deleted')->limit($limit)->getComments();
 
			foreach($comments as $comment){
				$comment['description'] = !empty($comment['description']) ? 
				$item['description'] : 
				' добавляет комментарий к <a class="subject" href="'. $comment['target_url'] .'#comment_'.$comment['id'].'">'. html_strip($comment['target_title'], 50).'</a>
				<br/>'.html_clean($comment['content_html'], 50);
				$comment['user']['nickname'] = !empty($comment['user']['nickname']) ? $comment['user']['nickname'] :  $comment['author_name'];              
				$comment['date_diff'] = !empty($comment['date_diff']) ? $comment['date_diff'] : $comment['date_pub'];	
 
				$comments_mix[] = $comment;
			}
 
			$items = array_merge($comments_mix, $items);
 
			usort($items, function($a, $b){
				return (strtotime($b['date_pub']) - strtotime($a['date_pub']));
			});
 
			return $items;
 
		}
 
	}

<?php 
	$item['description'] = !empty($item['description']) ? $item['description'] : ' добавляет комментарий <a class="subject" href="'. $item['target_url'] .'#comment_'.$item['id'].'">'. html_strip($item['target_title'], 50).'</a><br/>'.html_clean($item['content_html'], 50);
    $item['user']['nickname'] = !empty($item['user']['nickname']) ? $item['user']['nickname'] :  $item['author_name'];              
	$item['date_diff'] = !empty($item['date_diff']) ? $item['date_diff'] : $item['date_pub'];	
	?>