35 lines
909 B
PHP
35 lines
909 B
PHP
<?php
|
|
// UriBase64.php
|
|
// Created: 2022-01-13
|
|
// Updated: 2023-08-03
|
|
|
|
namespace Index\Serialisation;
|
|
|
|
use Index\IO\Stream;
|
|
|
|
/**
|
|
* Provides URL-safe Base64 encoding.
|
|
*/
|
|
final class UriBase64 {
|
|
/**
|
|
* Encodes binary data as a Base64 string.
|
|
*
|
|
* @param string $input Input binary data.
|
|
* @return string Base64 string representing the binary data.
|
|
*/
|
|
public static function encode(mixed $input): string {
|
|
return rtrim(strtr(base64_encode((string)$input), '+/', '-_'), '=');
|
|
}
|
|
|
|
/**
|
|
* Decodes a Base64 string back to binary data.
|
|
*
|
|
* @param Stream|string $input Input Base64 string.
|
|
* @return string|false Binary data.
|
|
*/
|
|
public static function decode(Stream|string $input): string|bool {
|
|
$input = (string)$input;
|
|
return base64_decode(str_pad(strtr($input, '-_', '+/'), strlen($input) % 4, '=', STR_PAD_RIGHT));
|
|
}
|
|
}
|