3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); $string = 'Niranjan'; $arr = array('id' => strlen); echo $arr['id']($string);
based on BRLHJ
Output for 7.2.0
Warning: Use of undefined constant strlen - assumed 'strlen' (this will throw an Error in a future version of PHP) in /in/eZ05E on line 6 8
Output for 5.3.18 - 7.1.10
Notice: Use of undefined constant strlen - assumed 'strlen' in /in/eZ05E on line 6 8