proto04.php

proto04.php

<?php

$line = trim(fgets(STDIN));
$filename = '/home/proto04/flag.txt';

class B {
  function __destruct() {
    global $filename;
    $flag = file_get_contents($filename);
    echo $flag;
  }
}

$a = @unserialize($line);

throw new Exception('You should not rearch here.');

echo $a;
?>