name : EightBitContentEncoder.php <?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Mime\Encoder; /** * @author Fabien Potencier <fabien@symfony.com> */ final class EightBitContentEncoder implements ContentEncoderInterface { public function encodeByteStream($stream, int $maxLineLength = 0): iterable { while (!feof($stream)) { yield fread($stream, 16372); } } public function getName(): string { return '8bit'; } public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string { return $string; } }