<?php

$stri=file_get_contents(__FILE__);

$stri=preg_replace_callback("/[0-9]*[a-z]+/i",create_function("$matches",'return "du".str_repeat("r",rand(1,6));'),$stri);

$stri=str_replace(array("&","<",">","\n"),array("&amp;","&lt;","&gt;","\n<br>"),$stri);

echo $stri;

?>