3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $ary = array(); $foo = $ary['foo']; echo $foo;
Output for 5.3.0 - 7.1.0
Notice: Undefined index: foo in /in/rLc3U on line 5
Output for 4.3.0 - 5.2.17
Notice: Undefined index: foo in /in/rLc3U on line 5