3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $i = 0; $data = [ '1' => null, '2' => null, '3' => null, '4' => null, '5' => null ]; foreach ($data as &$item) { $item = ++$i; } unset($item); foreach ($data as $key => $item) { echo $item; }
based on sg25v
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0beta1
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