Я думаю, что это плагин
<if test="$cat_data['id'] = 1"> <php>$groups = array(1, 2, 3);</php> <if test="in_array($this->memberData['member_group_id'], $groups)"> <style type='text/css'>#category_XX.category_block {position: relative;} #category_XX:after {content: "Customers Only"; background: url("{style_images_url}/transw80.png") repeat;background: rgba(255, 255, 255, 0.8);position: absolute;top: 0;left: 0;right: 0;bottom: 0; font-size: 30px;line-height: 350px;text-align: center;z-index: 10;cursor: normal;}</style></if></if>