Online PHP editor | refs for qo3DU

@ 2014-02-23T12:00:15Z

<?php

$arr = array (
    0 => 'nested array',
    1 => 'nested array',
    2 => 'nested array',
    3 => 'nested array',
    5 => 'nested array',
    7 => 'nested array',
);

for ($key = 0; array_key_exists($key, $arr); $key++);
var_dump($key);