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<?php |
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|
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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|
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namespace Symfony\Component\Mime\Encoder; |
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|
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/** |
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* @author Chris Corbyn |
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*/ |
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final class Base64MimeHeaderEncoder extends Base64Encoder implements MimeHeaderEncoderInterface |
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{ |
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public function getName(): string |
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{ |
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return 'B'; |
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} |
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|
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/** |
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* Takes an unencoded string and produces a Base64 encoded string from it. |
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* |
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* If the charset is iso-2022-jp, it uses mb_encode_mimeheader instead of |
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* default encodeString, otherwise pass to the parent method. |
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*/ |
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public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string |
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{ |
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if ('iso-2022-jp' === strtolower($charset)) { |
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$old = mb_internal_encoding(); |
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mb_internal_encoding('utf-8'); |
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$newstring = mb_encode_mimeheader($string, 'iso-2022-jp', $this->getName(), "\r\n"); |
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mb_internal_encoding($old); |
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|
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return $newstring; |
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} |
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|
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return parent::encodeString($string, $charset, $firstLineOffset, $maxLineLength); |
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} |
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} |
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