1<?php 2include dirname(__FILE__) . '/tarmaker.php.inc'; 3class corrupter extends tarmaker { 4function close() 5{ 6 parent::close(); 7 $fp = fopen($this->path, 'r+b'); 8 fseek($fp, 20); 9 fwrite($fp, 'oopsie'); 10 fclose($fp); 11} 12}