3v4l.org

run code in 200+ 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 - 7.2.0
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 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