3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array( "one" => 1, "two" => 2, "three" => 3, "seventeen" => 17 ); foreach ($a as $k) { echo "\$a[$k] \n"; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
$a[1] $a[2] $a[3] $a[17]