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Sampanna Rimal
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vendor/symfony/mime/Part/TextPart.php
vendored
Normal file
244
vendor/symfony/mime/Part/TextPart.php
vendored
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<?php
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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 <fabien@symfony.com>
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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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namespace Symfony\Component\Mime\Part;
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use Symfony\Component\Mime\Encoder\Base64ContentEncoder;
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use Symfony\Component\Mime\Encoder\ContentEncoderInterface;
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use Symfony\Component\Mime\Encoder\EightBitContentEncoder;
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use Symfony\Component\Mime\Encoder\QpContentEncoder;
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use Symfony\Component\Mime\Exception\InvalidArgumentException;
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use Symfony\Component\Mime\Header\Headers;
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/**
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class TextPart extends AbstractPart
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{
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/** @internal */
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protected Headers $_headers;
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private static array $encoders = [];
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/** @var resource|string|File */
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private $body;
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private ?string $charset;
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private string $subtype;
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private ?string $disposition = null;
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private ?string $name = null;
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private string $encoding;
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private ?bool $seekable = null;
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/**
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* @param resource|string|File $body Use a File instance to defer loading the file until rendering
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*/
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public function __construct($body, ?string $charset = 'utf-8', string $subtype = 'plain', ?string $encoding = null)
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{
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parent::__construct();
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if (!\is_string($body) && !\is_resource($body) && !$body instanceof File) {
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throw new \TypeError(sprintf('The body of "%s" must be a string, a resource, or an instance of "%s" (got "%s").', self::class, File::class, get_debug_type($body)));
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}
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if ($body instanceof File) {
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$path = $body->getPath();
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if ((is_file($path) && !is_readable($path)) || is_dir($path)) {
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throw new InvalidArgumentException(sprintf('Path "%s" is not readable.', $path));
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}
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}
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$this->body = $body;
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$this->charset = $charset;
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$this->subtype = $subtype;
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$this->seekable = \is_resource($body) ? stream_get_meta_data($body)['seekable'] && 0 === fseek($body, 0, \SEEK_CUR) : null;
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if (null === $encoding) {
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$this->encoding = $this->chooseEncoding();
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} else {
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if ('quoted-printable' !== $encoding && 'base64' !== $encoding && '8bit' !== $encoding) {
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throw new InvalidArgumentException(sprintf('The encoding must be one of "quoted-printable", "base64", or "8bit" ("%s" given).', $encoding));
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}
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$this->encoding = $encoding;
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}
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}
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public function getMediaType(): string
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{
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return 'text';
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}
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public function getMediaSubtype(): string
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{
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return $this->subtype;
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}
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/**
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* @param string $disposition one of attachment, inline, or form-data
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*
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* @return $this
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*/
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public function setDisposition(string $disposition): static
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{
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$this->disposition = $disposition;
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return $this;
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}
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/**
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* @return ?string null or one of attachment, inline, or form-data
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*/
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public function getDisposition(): ?string
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{
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return $this->disposition;
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}
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/**
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* Sets the name of the file (used by FormDataPart).
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*
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* @return $this
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*/
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public function setName(string $name): static
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{
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$this->name = $name;
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return $this;
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}
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/**
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* Gets the name of the file.
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*/
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public function getName(): ?string
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{
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return $this->name;
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}
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public function getBody(): string
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{
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if ($this->body instanceof File) {
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return file_get_contents($this->body->getPath());
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}
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if (null === $this->seekable) {
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return $this->body;
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}
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if ($this->seekable) {
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rewind($this->body);
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}
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return stream_get_contents($this->body) ?: '';
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}
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public function bodyToString(): string
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{
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return $this->getEncoder()->encodeString($this->getBody(), $this->charset);
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}
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public function bodyToIterable(): iterable
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{
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if ($this->body instanceof File) {
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$path = $this->body->getPath();
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if (false === $handle = @fopen($path, 'r', false)) {
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throw new InvalidArgumentException(sprintf('Unable to open path "%s".', $path));
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}
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yield from $this->getEncoder()->encodeByteStream($handle);
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} elseif (null !== $this->seekable) {
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if ($this->seekable) {
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rewind($this->body);
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}
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yield from $this->getEncoder()->encodeByteStream($this->body);
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} else {
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yield $this->getEncoder()->encodeString($this->body);
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}
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}
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public function getPreparedHeaders(): Headers
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{
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$headers = parent::getPreparedHeaders();
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$headers->setHeaderBody('Parameterized', 'Content-Type', $this->getMediaType().'/'.$this->getMediaSubtype());
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if ($this->charset) {
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$headers->setHeaderParameter('Content-Type', 'charset', $this->charset);
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}
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if ($this->name && 'form-data' !== $this->disposition) {
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$headers->setHeaderParameter('Content-Type', 'name', $this->name);
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}
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$headers->setHeaderBody('Text', 'Content-Transfer-Encoding', $this->encoding);
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if (!$headers->has('Content-Disposition') && null !== $this->disposition) {
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$headers->setHeaderBody('Parameterized', 'Content-Disposition', $this->disposition);
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if ($this->name) {
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$headers->setHeaderParameter('Content-Disposition', 'name', $this->name);
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}
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}
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return $headers;
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}
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public function asDebugString(): string
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{
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$str = parent::asDebugString();
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if (null !== $this->charset) {
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$str .= ' charset: '.$this->charset;
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}
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if (null !== $this->disposition) {
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$str .= ' disposition: '.$this->disposition;
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}
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return $str;
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}
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private function getEncoder(): ContentEncoderInterface
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{
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if ('8bit' === $this->encoding) {
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return self::$encoders[$this->encoding] ??= new EightBitContentEncoder();
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}
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if ('quoted-printable' === $this->encoding) {
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return self::$encoders[$this->encoding] ??= new QpContentEncoder();
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}
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return self::$encoders[$this->encoding] ??= new Base64ContentEncoder();
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}
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private function chooseEncoding(): string
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{
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if (null === $this->charset) {
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return 'base64';
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}
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return 'quoted-printable';
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}
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public function __sleep(): array
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{
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// convert resources to strings for serialization
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if (null !== $this->seekable) {
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$this->body = $this->getBody();
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$this->seekable = null;
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}
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$this->_headers = $this->getHeaders();
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return ['_headers', 'body', 'charset', 'subtype', 'disposition', 'name', 'encoding'];
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}
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/**
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* @return void
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*/
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public function __wakeup()
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{
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$r = new \ReflectionProperty(AbstractPart::class, 'headers');
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$r->setValue($this, $this->_headers);
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unset($this->_headers);
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}
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}
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