3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $simple = 'foo'; echo $GLOBALS['foo'];
Output for 5.3.4 - 7.1.0
Notice: Undefined index: foo in /in/buvQi on line 3
Output for 5.2.15 - 5.2.17
Notice: Undefined index: foo in /in/buvQi on line 3