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namespace SwooleTW\Http\Transformers; |
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use Illuminate\Http\Response as IlluminateResponse; |
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use Swoole\Http\Response as SwooleResponse; |
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use Swoole\Http\Request as SwooleRequest; |
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use Symfony\Component\HttpFoundation\BinaryFileResponse; |
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use Symfony\Component\HttpFoundation\Response as SymfonyResponse; |
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use Symfony\Component\HttpFoundation\StreamedResponse; |
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class Response |
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{ |
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const CHUNK_SIZE = 8192; |
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/** |
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* @var \Swoole\Http\Response |
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*/ |
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protected $swooleResponse; |
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/** |
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* @var \Swoole\Http\Request |
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*/ |
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protected $swooleRequest; |
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/** |
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* @var \Illuminate\Http\Response |
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*/ |
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protected $illuminateResponse; |
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/** |
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* Make a response. |
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* |
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* @param $illuminateResponse |
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* @param \Swoole\Http\Response $swooleResponse |
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* @param \Swoole\Http\Request $swooleRequest |
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* |
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* @return \SwooleTW\Http\Transformers\Response |
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*/ |
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public static function make($illuminateResponse, SwooleResponse $swooleResponse, SwooleRequest $swooleRequest) |
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{ |
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return new static($illuminateResponse, $swooleResponse, $swooleRequest); |
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} |
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/** |
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* Response constructor. |
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* |
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* @param mixed $illuminateResponse |
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* @param \Swoole\Http\Response $swooleResponse |
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* @param \Swoole\Http\Request $swooleRequest |
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*/ |
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public function __construct($illuminateResponse, SwooleResponse $swooleResponse, SwooleRequest $swooleRequest) |
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{ |
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$this->setIlluminateResponse($illuminateResponse); |
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$this->setSwooleResponse($swooleResponse); |
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$this->setSwooleRequest($swooleRequest); |
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} |
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/** |
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* Send HTTP headers and content. |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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public function send() |
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{ |
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$this->sendHeaders(); |
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$this->sendContent(); |
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} |
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/** |
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* Send HTTP headers. |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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protected function sendHeaders() |
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{ |
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$illuminateResponse = $this->getIlluminateResponse(); |
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/* RFC2616 - 14.18 says all Responses need to have a Date */ |
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if (! $illuminateResponse->headers->has('Date')) { |
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$illuminateResponse->setDate(\DateTime::createFromFormat('U', time())); |
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} |
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// headers |
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// allPreserveCaseWithoutCookies() doesn't exist before Laravel 5.3 |
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$headers = $illuminateResponse->headers->allPreserveCase(); |
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if (isset($headers['Set-Cookie'])) { |
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unset($headers['Set-Cookie']); |
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} |
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foreach ($headers as $name => $values) { |
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foreach ($values as $value) { |
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$this->swooleResponse->header($name, $value); |
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} |
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} |
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// status |
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$this->swooleResponse->status($illuminateResponse->getStatusCode()); |
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// cookies |
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// $cookie->isRaw() is supported after symfony/http-foundation 3.1 |
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// and Laravel 5.3, so we can add it back now |
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foreach ($illuminateResponse->headers->getCookies() as $cookie) { |
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$method = $cookie->isRaw() ? 'rawcookie' : 'cookie'; |
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$this->swooleResponse->$method( |
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$cookie->getName(), |
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$cookie->getValue(), |
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$cookie->getExpiresTime(), |
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$cookie->getPath(), |
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$cookie->getDomain(), |
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$cookie->isSecure(), |
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$cookie->isHttpOnly() |
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); |
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} |
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} |
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/** |
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* Send HTTP content. |
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*/ |
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protected function sendContent() |
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{ |
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$illuminateResponse = $this->getIlluminateResponse(); |
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if ($illuminateResponse instanceof StreamedResponse && property_exists($illuminateResponse, 'output')) { |
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// TODO Add Streamed Response with output |
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$this->swooleResponse->end($illuminateResponse->output); |
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} elseif ($illuminateResponse instanceof BinaryFileResponse) { |
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$this->swooleResponse->sendfile($illuminateResponse->getFile()->getPathname()); |
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} else { |
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$chunkGzip = $this->canGzipContent($illuminateResponse->headers->get('Content-Encoding')); |
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$this->sendInChunk($illuminateResponse->getContent(), $chunkGzip); |
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} |
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} |
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/** |
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* Send content in chunk |
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* |
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* @param string $content |
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* @param bool $chunkGzip |
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*/ |
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protected function sendInChunk($content, $chunkGzip) |
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{ |
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if (strlen($content) <= static::CHUNK_SIZE) { |
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$this->swooleResponse->end($content); |
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return; |
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} |
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// Swoole Chunk mode does not support compress by default, this patch only supports gzip |
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if ($chunkGzip) { |
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$this->swooleResponse->header('Content-Encoding', 'gzip'); |
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$content = gzencode($content, config('swoole_http.server.options.http_compression_level', 3)); |
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} |
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foreach (str_split($content, static::CHUNK_SIZE) as $chunk) { |
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$this->swooleResponse->write($chunk); |
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} |
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$this->swooleResponse->end(); |
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} |
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/** |
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* @param \Swoole\Http\Response $swooleResponse |
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* |
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* @return \SwooleTW\Http\Transformers\Response |
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*/ |
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protected function setSwooleResponse(SwooleResponse $swooleResponse) |
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{ |
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$this->swooleResponse = $swooleResponse; |
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return $this; |
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} |
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/** |
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* @return \Swoole\Http\Response |
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*/ |
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public function getSwooleResponse() |
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{ |
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return $this->swooleResponse; |
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} |
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/** |
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* @param mixed illuminateResponse |
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* |
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* @return \SwooleTW\Http\Transformers\Response |
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*/ |
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protected function setIlluminateResponse($illuminateResponse) |
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{ |
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if (! $illuminateResponse instanceof SymfonyResponse) { |
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$content = (string) $illuminateResponse; |
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$illuminateResponse = new IlluminateResponse($content); |
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} |
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$this->illuminateResponse = $illuminateResponse; |
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return $this; |
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} |
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/** |
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* @return \Illuminate\Http\Response |
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*/ |
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public function getIlluminateResponse() |
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{ |
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return $this->illuminateResponse; |
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} |
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/** |
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* @param \Swoole\Http\Request $swooleRequest |
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* |
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* @return \SwooleTW\Http\Transformers\Response |
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*/ |
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protected function setSwooleRequest(SwooleRequest $swooleRequest) |
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{ |
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$this->swooleRequest = $swooleRequest; |
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return $this; |
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} |
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/** |
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* @return \Swoole\Http\Request |
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*/ |
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public function getSwooleRequest() |
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{ |
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return $this->swooleRequest; |
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} |
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/** |
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* @param string $responseContentEncoding |
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* @return bool |
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*/ |
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protected function canGzipContent($responseContentEncoding) |
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{ |
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return empty($responseContentEncoding) && |
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config('swoole_http.server.options.http_compression', true) && |
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!empty($this->swooleRequest->header['accept-encoding']) && |
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strpos($this->swooleRequest->header['accept-encoding'], 'gzip') !== false && |
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function_exists('gzencode'); |
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} |
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} |
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Let?s assume that you have a directory layout like this:
and let?s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: