Online PHP editor | refs for ea1jo

@ 2015-12-04T19:52:11Z

<?php

$arr = [1, 2, 3];
foreach ($arr as &$num) {
    var_dump($num);
    $arr[3] = 4;
}

echo "\n\n====\n\n";

$arr = [1, 2, 3];
foreach ($arr as $num) {
    var_dump($num);
    $arr[3] = 4;
}