Online PHP editor | output for eLuX7

<?php $flag = "THIS IS FLAG"; $password= "\x34\x32\x2E"; if (0 >= preg_match('/^[[:graph:]]{12,}$/', $password)) { echo 'Wrong Format'; exit; } while (TRUE) { $reg = '/([[:punct:]]+|[[:digit:]]+|[[:upper:]]+|[[:lower:]]+)/'; if (6 > preg_match_all($reg, $password, $arr)) break; $c = 0; $ps = array('punct', 'digit', 'upper', 'lower'); foreach ($ps as $pt) { if (preg_match("/[[:$pt:]]+/", $password)) $c += 1; } if ($c < 3) break; if ("42" == $password) echo $flag; else echo 'Wrong password'; exit; } ?>