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Edit File: Php54.php

<?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. */ namespace Symfony\Polyfill\Php54; /** * @author Nicolas Grekas <p@tchwork.com> * * @internal */ final class Php54 { public static function hex2bin($data) { $len = strlen($data); if (null === $len) { return; } if ($len % 2) { trigger_error('hex2bin(): Hexadecimal input string must have an even length', E_USER_WARNING); return false; } return pack('H*', $data); } }