<?php $query = "{${phpinfo()}}"; $query = filter_string($query); function check_string($str) { return preg_match("/^\w+$/", (string)$str); } function filter_string($str) { return preg_replace('/^(.*)$/ie', "filter_function(\"\\1\")", $str); } function filter_function($str) { // do encoding / filtering etc. here return $str; } ?>
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