3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(1,2,3); $b = &$a; foreach($a as $v) { echo "$v\n"; unset($a[1]); }
Output for 7.0.0 - 7.1.0
1 2 3
Output for 4.3.0 - 5.6.26
1 3