string(633) "SELECT cc.category_id, cc.name as category_name, u.user_id, u.profile_page_id, u.server_id AS user_server_id, u.user_name, u.full_name, u.gender, u.user_image, u.is_invisible, u.user_group_id, u.language_id, u.last_activity, u.birthday, u.country_iso, c.* FROM( (SELECT c.* FROM phpfox_course_courses AS c WHERE c.search = 1 AND c.privacy IN(0) AND c.module_id = 'groups' AND c.item_id = 1120 AND c.time_stamp >= '1748736000' AND c.time_stamp <= '1751327999' )) AS c LEFT JOIN phpfox_course_category AS cc ON(cc.category_id = c.category_id) JOIN phpfox_user AS u ON(u.user_id = c.user_id) ORDER BY c.time_stamp DESC LIMIT 21 "