Online PHP editor | refs for lQItB

<?php $filterKeys = array( 'ticket', 'password', 'pass_word', 'passcode', 'pass_code', 'paypassword', 'pay_password' ); function filterKeysCallback(array &$list, &$filterKeys) { foreach($list as $key => &$item) { if (is_array($item)) { filterKeysCallback($item, $filterKeys); continue; } if (in_array($key, $filterKeys)) { var_dump($key, $filterKeys, in_array($key, $filterKeys), array_search($key, $filterKeys)); exit(); $item = str_repeat('x', strlen($item)); } } unset($item); }; $params = array( 'get' => array( 0 => '1231', 1 => '456' ) ); filterKeysCallback($params['get'], $filterKeys);