3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $color = array(4 => 'white', 6 => 'green', 11=> 'red'); foreach($color as $key=>$colo) { if ($color[0]){ echo $key."is ".$colo;} }
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined offset: 0 in /in/TqFaf on line 5 Notice: Undefined offset: 0 in /in/TqFaf on line 5 Notice: Undefined offset: 0 in /in/TqFaf on line 5
Output for hhvm-3.12.0
Notice: Undefined index: 0 in /in/TqFaf on line 5 Notice: Undefined index: 0 in /in/TqFaf on line 5 Notice: Undefined index: 0 in /in/TqFaf on line 5
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: 0 in /in/TqFaf on line 5 Notice: Undefined offset: 0 in /in/TqFaf on line 5 Notice: Undefined offset: 0 in /in/TqFaf on line 5