Minecraft assets extraction script

<?php

/**
 * Minecraft assets extraction script. Put this script into .minecraft/assets
 * and run it from command line. See minecraft folder in .minecraft/assets for
 * your exported resources.
 *
 * @author McHorse
 */

$json = json_decode(file_get_contents(__DIR__ . '/indexes/1.11.json'), true);

/* Iterate over objects */
foreach ($json['objects'] as $key => $value)
{
    /* Setup variables */
    $hash = $value['hash'];
    $two = substr($hash, 0, 2);
    $path = __DIR__ . "/objects/$two/$hash";
    $dest = __DIR__ . '/' . pathinfo($key, PATHINFO_DIRNAME);

    /* If given file exists, then extract this iterated asset */
    if (file_exists($path))
    {
        if (!file_exists($dest))
        {
            mkdir($dest, 0777, true);
        }

        /* Copy file */
        copy($path, __DIR__ . '/' . $key);

        echo "File by key '$key' was saved!\n";
    }
    else
    {
        echo "Not found '$key'!";
    }
}