3v4l.org

run code in 300+ PHP versions simultaneously

@ 2014-05-26T12:29:45Z

<?php

function show($arr, $prefix = '')
{
    if (!is_array($arr))
    {
        if ($prefix)
        {
            echo $prefix . '->'. $arr, "\n";
        }
        else
        {
            echo $arr, "\n";
        }
    }
    else
    {
        foreach ($arr as $key => $val)
        {
            $pre = $prefix;

            if (is_array($val))
            {
                if ($pre)
                {
                    $pre = $pre . '->' . $key;
                }
                else
                {
                    $pre = $key;
                }
                show($val, $pre);
            }
            else
            {
                show($val, $pre);
            }
        }
    }
}

$list = array(
    'transport' => array(
        'plane' => array(
            'boeing',
            'airbus',
        ),
        'car' => array(
            'audi',
            'ford'
        ),
    ),
);

show($list);

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: transport->plane->boeing transport->plane->airbus transport->car->audi transport->car->ford

preferences:dark modelive preview

189.38 ms | 406 KiB | 313 Q