3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array(1, 2, 3, 4); foreach ($arr as $value) { $value = $value * 2; echo $value; } // $arr is now array(2, 4, 6, 8) unset($value); // break the reference with the last element ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2468