| 1 |
<?php |
| 2 |
|
| 3 |
/* |
| 4 |
* This file is part of the Symfony package. |
| 5 |
* |
| 6 |
* (c) Fabien Potencier <fabien@symfony.com> |
| 7 |
* |
| 8 |
* For the full copyright and license information, please view the LICENSE |
| 9 |
* file that was distributed with this source code. |
| 10 |
*/ |
| 11 |
|
| 12 |
namespace Symfony\Component\Mime\Encoder; |
| 13 |
|
| 14 |
/** |
| 15 |
* @author Chris Corbyn |
| 16 |
*/ |
| 17 |
final class Base64MimeHeaderEncoder extends Base64Encoder implements MimeHeaderEncoderInterface |
| 18 |
{ |
| 19 |
public function getName(): string |
| 20 |
{ |
| 21 |
return 'B'; |
| 22 |
} |
| 23 |
|
| 24 |
/** |
| 25 |
* Takes an unencoded string and produces a Base64 encoded string from it. |
| 26 |
* |
| 27 |
* If the charset is iso-2022-jp, it uses mb_encode_mimeheader instead of |
| 28 |
* default encodeString, otherwise pass to the parent method. |
| 29 |
*/ |
| 30 |
public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string |
| 31 |
{ |
| 32 |
if ('iso-2022-jp' === strtolower($charset)) { |
| 33 |
$old = mb_internal_encoding(); |
| 34 |
mb_internal_encoding('utf-8'); |
| 35 |
$newstring = mb_encode_mimeheader($string, 'iso-2022-jp', $this->getName(), "\r\n"); |
| 36 |
mb_internal_encoding($old); |
| 37 |
|
| 38 |
return $newstring; |
| 39 |
} |
| 40 |
|
| 41 |
return parent::encodeString($string, $charset, $firstLineOffset, $maxLineLength); |
| 42 |
} |
| 43 |
} |
| 44 |
|
