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<?php declare(strict_types=1); namespace Nyholm\Psr7; use Psr\Http\Message\{ResponseInterface, StreamInterface}; /** * @author Michael Dowling and contributors to guzzlehttp/psr7 * @author Tobias Nyholm <tobias.nyholm@gmail.com> * @author Martijn van der Ven <martijn@vanderven.se> * * @final This class should never be extended. See https://github.com/Nyholm/psr7/blob/master/doc/final.md */ class Response implements ResponseInterface { use MessageTrait; /** @var array Map of standard HTTP status code/reason phrases */ private const PHRASES = [ 100 => 'Continue', 101 => 'Switching Protocols', 102 => 'Processing', 200 => 'OK', 201 => 'Created', 202 => 'Accepted', 203 => 'Non-Authoritative Information', 204 => 'No Content', 205 => 'Reset Content', 206 => 'Partial Content', 207 => 'Multi-status', 208 => 'Already Reported', 300 => 'Multiple Choices', 301 => 'Moved Permanently', 302 => 'Found', 303 => 'See Other', 304 => 'Not Modified', 305 => 'Use Proxy', 306 => 'Switch Proxy', 307 => 'Temporary Redirect', 400 => 'Bad Request', 401 => 'Unauthorized', 402 => 'Payment Required', 403 => 'Forbidden', 404 => 'Not Found', 405 => 'Method Not Allowed', 406 => 'Not Acceptable', 407 => 'Proxy Authentication Required', 408 => 'Request Time-out', 409 => 'Conflict', 410 => 'Gone', 411 => 'Length Required', 412 => 'Precondition Failed', 413 => 'Request Entity Too Large', 414 => 'Request-URI Too Large', 415 => 'Unsupported Media Type', 416 => 'Requested range not satisfiable', 417 => 'Expectation Failed', 418 => 'I\'m a teapot', 422 => 'Unprocessable Entity', 423 => 'Locked', 424 => 'Failed Dependency', 425 => 'Unordered Collection', 426 => 'Upgrade Required', 428 => 'Precondition Required', 429 => 'Too Many Requests', 431 => 'Request Header Fields Too Large', 451 => 'Unavailable For Legal Reasons', 500 => 'Internal Server Error', 501 => 'Not Implemented', 502 => 'Bad Gateway', 503 => 'Service Unavailable', 504 => 'Gateway Time-out', 505 => 'HTTP Version not supported', 506 => 'Variant Also Negotiates', 507 => 'Insufficient Storage', 508 => 'Loop Detected', 511 => 'Network Authentication Required', ]; /** @var string */ private $reasonPhrase = ''; /** @var int */ private $statusCode; /** * @param int $status Status code * @param array $headers Response headers * @param string|resource|StreamInterface|null $body Response body * @param string $version Protocol version * @param string|null $reason Reason phrase (when empty a default will be used based on the status code) */ public function __construct(int $status = 200, array $headers = [], $body = null, string $version = '1.1', string $reason = null) { // If we got no body, defer initialization of the stream until Response::getBody() if ('' !== $body && null !== $body) { $this->stream = Stream::create($body); } $this->statusCode = $status; $this->setHeaders($headers); if (null === $reason && isset(self::PHRASES[$this->statusCode])) { $this->reasonPhrase = self::PHRASES[$status]; } else { $this->reasonPhrase = $reason ?? ''; } $this->protocol = $version; } public function getStatusCode(): int { return $this->statusCode; } public function getReasonPhrase(): string { return $this->reasonPhrase; } public function withStatus($code, $reasonPhrase = ''): self { if (!\is_int($code) && !\is_string($code)) { throw new \InvalidArgumentException('Status code has to be an integer'); } $code = (int) $code; if ($code < 100 || $code > 599) { throw new \InvalidArgumentException(\sprintf('Status code has to be an integer between 100 and 599. A status code of %d was given', $code)); } $new = clone $this; $new->statusCode = $code; if ((null === $reasonPhrase || '' === $reasonPhrase) && isset(self::PHRASES[$new->statusCode])) { $reasonPhrase = self::PHRASES[$new->statusCode]; } $new->reasonPhrase = $reasonPhrase; return $new; } }