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doc: fix invalid links
[github/shaarli/Shaarli.git] / application / http / Base64Url.php
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1<?php
2
00af48d9 3namespace Shaarli\Http;
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5/**
6 * URL-safe Base64 operations
7 *
8 * @see https://en.wikipedia.org/wiki/Base64#URL_applications
9 */
10class Base64Url
11{
12 /**
13 * Base64Url-encodes data
14 *
15 * @param string $data Data to encode
16 *
17 * @return string Base64Url-encoded data
18 */
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19 public static function encode($data)
20 {
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21 return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
22 }
23
24 /**
25 * Decodes Base64Url-encoded data
26 *
27 * @param string $data Data to decode
28 *
29 * @return string Decoded data
30 */
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31 public static function decode($data)
32 {
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33 return base64_decode(str_pad(strtr($data, '-_', '+/'), strlen($data) % 4, '=', STR_PAD_RIGHT));
34 }
35}