Как включить смайлы на сайте в комментариях?

if ( $allow_subscribe ) $wysiwyg .= "<br /><label class=\"comments_subscribe\"><input type=\"checkbox\" name=\"allow_subscribe\" id=\"allow_subscribe\" value=\"1\" />" . $lang['c_subscribe'] . "</label><br />";

$i = 0;
$output = "<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\" width=\"100%\"><tr>";

$smilies = explode(",", $config['smilies']);
$count_smilies = count($smilies);

foreach($smilies as $smile)
{
    $i++;
	$smile = trim($smile);
	$sm_image ="";
	if( file_exists( ROOT_DIR . "/engine/data/emoticons/" . $smile . ".png" ) ) {
		if( file_exists( ROOT_DIR . "/engine/data/emoticons/" . $smile . "@2x.png" ) ) {
			$sm_image = "<img alt=\"{$smile}\" class=\"emoji\" src=\"{$config['http_home_url']}engine/data/emoticons/{$smile}.png\" srcset=\"{$config['http_home_url']}engine/data/emoticons/{$smile}@2x.png 2x\" />";
		} else {
			$sm_image = "<img alt=\"{$smile}\" class=\"emoji\" src=\"{$config['http_home_url']}engine/data/emoticons/{$smile}.png\" />";	
		}
	} elseif ( file_exists( ROOT_DIR . "/engine/data/emoticons/" . $smile . ".gif" ) ) {
		if( file_exists( ROOT_DIR . "/engine/data/emoticons/" . $smile . "@2x.gif" ) ) {
			$sm_image = "<img alt=\"{$smile}\" class=\"emoji\" src=\"{$config['http_home_url']}engine/data/emoticons/{$smile}.gif\" srcset=\"{$config['http_home_url']}engine/data/emoticons/{$smile}@2x.gif 2x\" />";
		} else {
			$sm_image = "<img alt=\"{$smile}\" class=\"emoji\" src=\"{$config['http_home_url']}engine/data/emoticons/{$smile}.gif\" />";	
		}
	}
	
    $output .= "<td style=\"padding:5px;\" align=\"center\"><a href=\"#\" onclick=\"dle_smiley(':$smile:'); return false;\">{$sm_image}</a></td>";
	if ($i%7 == 0 AND $i < $count_smilies) $output .= "</tr><tr>";

}

$output .= "</tr></table>";
$wysiwyg = $output.$wysiwyg;