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<?php |
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namespace Http; |
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class HttpResponse implements Response |
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{ |
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private $version = '1.1'; |
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private $statusCode = 200; |
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private $statusText = 'OK'; |
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private $headers = []; |
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private $cookies = []; |
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private $content; |
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private $statusTexts = [ |
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100 => 'Continue', |
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101 => 'Switching Protocols', |
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102 => 'Processing', |
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200 => 'OK', |
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201 => 'Created', |
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202 => 'Accepted', |
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203 => 'Non-Authoritative Information', |
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204 => 'No Content', |
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205 => 'Reset Content', |
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206 => 'Partial Content', |
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207 => 'Multi-Status', |
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208 => 'Already Reported', |
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226 => 'IM Used', |
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300 => 'Multiple Choices', |
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301 => 'Moved Permanently', |
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302 => 'Found', |
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303 => 'See Other', |
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304 => 'Not Modified', |
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305 => 'Use Proxy', |
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306 => 'Reserved', |
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307 => 'Temporary Redirect', |
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308 => 'Permanent Redirect', |
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400 => 'Bad Request', |
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401 => 'Unauthorized', |
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402 => 'Payment Required', |
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403 => 'Forbidden', |
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404 => 'Not Found', |
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405 => 'Method Not Allowed', |
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406 => 'Not Acceptable', |
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407 => 'Proxy Authentication Required', |
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408 => 'Request Timeout', |
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409 => 'Conflict', |
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410 => 'Gone', |
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411 => 'Length Required', |
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412 => 'Precondition Failed', |
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413 => 'Request Entity Too Large', |
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414 => 'Request-URI Too Long', |
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415 => 'Unsupported Media Type', |
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416 => 'Requested Range Not Satisfiable', |
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417 => 'Expectation Failed', |
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418 => 'I\'m a teapot', |
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422 => 'Unprocessable Entity', |
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423 => 'Locked', |
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424 => 'Failed Dependency', |
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425 => 'Reserved for WebDAV advanced collections expired proposal', |
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426 => 'Upgrade Required', |
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428 => 'Precondition Required', |
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429 => 'Too Many Requests', |
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431 => 'Request Header Fields Too Large', |
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500 => 'Internal Server Error', |
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501 => 'Not Implemented', |
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502 => 'Bad Gateway', |
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503 => 'Service Unavailable', |
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504 => 'Gateway Timeout', |
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505 => 'HTTP Version Not Supported', |
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506 => 'Variant Also Negotiates', |
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507 => 'Insufficient Storage', |
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508 => 'Loop Detected', |
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510 => 'Not Extended', |
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511 => 'Network Authentication Required', |
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]; |
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/** |
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* Sets the HTTP status code. |
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* |
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* @param integer $statusCode |
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* @param string $statusText (optional) |
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* @return void |
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*/ |
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public function setStatusCode($statusCode, $statusText = null) |
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{ |
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if ($statusText === null |
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&& array_key_exists((int) $statusCode, $this->statusTexts) |
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) { |
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$statusText = $this->statusTexts[$statusCode]; |
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} |
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$this->statusCode = (int) $statusCode; |
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$this->statusText = (string) $statusText; |
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} |
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/** |
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* Returns the HTTP status code |
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* @return int |
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*/ |
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public function getStatusCode() |
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{ |
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return $this->statusCode; |
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} |
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/** |
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* Adds a header with the given name. |
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* |
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* @param string $name |
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* @param string $value |
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* @return void |
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*/ |
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public function addHeader($name, $value) |
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{ |
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$this->headers[$name][] = (string) $value; |
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} |
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/** |
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* Sets a new header for the given name. |
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* |
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* Replaces all headers with the same names. |
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* |
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* @param string $name |
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* @param string $value |
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* @return void |
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*/ |
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public function setHeader($name, $value) |
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{ |
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$this->headers[$name] = [ |
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(string) $value, |
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]; |
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} |
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/** |
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* Returns an array with the HTTP headers. |
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* |
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* @return array |
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*/ |
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public function getHeaders() |
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{ |
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$headers = array_merge( |
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$this->getRequestLineHeaders(), |
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$this->getStandardHeaders(), |
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$this->getCookieHeaders() |
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); |
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return $headers; |
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} |
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/** |
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* Adds a new cookie. |
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* |
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* @param Cookie $cookie |
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* @return void |
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*/ |
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public function addCookie(Cookie $cookie) |
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{ |
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$this->cookies[$cookie->getName()] = $cookie; |
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} |
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/** |
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* Deletes a cookie. |
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* |
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* @param Cookie $cookie |
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* @return void |
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*/ |
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public function deleteCookie(Cookie $cookie) |
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{ |
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$cookie->setValue(''); |
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$cookie->setMaxAge(-1); |
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$this->cookies[$cookie->getName()] = $cookie; |
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} |
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/** |
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* Sets the body content. |
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* |
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* @param string $content |
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* @return void |
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*/ |
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public function setContent($content) |
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{ |
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$this->content = (string) $content; |
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} |
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/** |
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* Returns the body content. |
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* |
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* @return string |
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*/ |
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public function getContent() |
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{ |
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return $this->content; |
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} |
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/** |
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* Sets the headers for a redirect. |
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* |
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* @param string $url |
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* @return void |
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*/ |
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public function redirect($url) |
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{ |
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$this->setHeader('Location', $url); |
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$this->setStatusCode(301); |
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} |
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private function getRequestLineHeaders() |
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{ |
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$headers = []; |
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$requestLine = sprintf( |
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'HTTP/%s %s %s', |
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$this->version, |
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$this->statusCode, |
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$this->statusText |
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); |
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$headers[] = trim($requestLine); |
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return $headers; |
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} |
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private function getStandardHeaders() |
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{ |
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$headers = []; |
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foreach ($this->headers as $name => $values) { |
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foreach ($values as $value) { |
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$headers[] = "$name: $value"; |
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} |
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} |
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return $headers; |
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} |
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private function getCookieHeaders() |
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{ |
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$headers = []; |
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foreach ($this->cookies as $cookie) { |
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$headers[] = 'Set-Cookie: ' . $cookie->getHeaderString(); |
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} |
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return $headers; |
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} |
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} |
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