MyShaarli/application/Base64Url.php

35 lines
714 B
PHP
Raw Normal View History

<?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));
}
}