// Start listing holiday requests
$result = SQL_QUERY("SELECT h.id, h.userid, h.holiday_start, h.holiday_end, h.comments, d.status, d.last_online
-FROM "._MYSQL_PREFIX."_user_holidays AS h
-LEFT JOIN `"._MYSQL_PREFIX."_user_data` AS d
+FROM `{!_MYSQL_PREFIX!}_user_holidays` AS h
+LEFT JOIN `{!_MYSQL_PREFIX!}_user_data` AS d
ON h.userid=d.userid
ORDER BY h.userid", __FILE__, __LINE__);