hhvm/hphp/test/slow/array_iterator/440.php

<?php


$a = array(1, 2, 3, 4, 5, 6);
while ($v = each($a)) { if ($v[1] < 4) $a[] = $v[1] + $v[1]; }
var_dump($a);
$a = array(1, 2, 3, 4, 5, 6);
foreach ($a as $k => $v) { if ($v >= 4) $a = $v + $v; }
var_dump($a);