<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

use Symfony\Polyfill\Mbstring as p;

if (!function_exists('mb_convert_variables')) {
    /**
     * Convert character code in variable(s)
     */
    function mb_convert_variables($to_encoding, $from_encoding, &$var, &...$vars)
    {
        $vars = [&$var, ...$vars];

        $ok = true;
        array_walk_recursive($vars, function (&$v) use (&$ok, $to_encoding, $from_encoding) {
            if (false === $v = p\Mbstring::mb_convert_encoding($v, $to_encoding, $from_encoding)) {
                $ok = false;
            }
        });

        return $ok ? $from_encoding : false;
    }
}