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8.2
src/Symfony/Component/Mime/Encoder/Rfc2231Encoder.php
50 строк
1 KB
Fabien Potencier
Fix CS
04 ноя 2021, 15:23
04 ноя 2021, 15:23
be7d227
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<?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; use Symfony\Component\Mime\CharacterStream; /** * @author Chris Corbyn */ final class Rfc2231Encoder implements EncoderInterface { /** * Takes an unencoded string and produces a string encoded according to RFC 2231 from it. */ public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string { $lines = []; $lineCount = 0; $lines[] = ''; $currentLine = &$lines[$lineCount++]; if (0 >= $maxLineLength) { $maxLineLength = 75; } $charStream = new CharacterStream($string, $charset); $thisLineLength = $maxLineLength - $firstLineOffset; while (null !== $char = $charStream->read(4)) { $encodedChar = rawurlencode($char); if ('' !== $currentLine && \strlen($currentLine.$encodedChar) > $thisLineLength) { $lines[] = ''; $currentLine = &$lines[$lineCount++]; $thisLineLength = $maxLineLength; } $currentLine .= $encodedChar; } return implode("\r\n", $lines); } }