<?php namespace Shaarli; /** * URL-safe Base64 operations * * @see https://en.wikipedia.org/wiki/Base64#URL_applications */ class Base64Url { /** * Base64Url-encodes data * * @param string $data Data to encode * * @return string Base64Url-encoded data */ public static function encode($data) { return rtrim(strtr(base64_encode($data), '+/', '-_'), '='); } /** * Decodes Base64Url-encoded data * * @param string $data Data to decode * * @return string Decoded data */ public static function decode($data) { return base64_decode(str_pad(strtr($data, '-_', '+/'), strlen($data) % 4, '=', STR_PAD_RIGHT)); } }