<?php
namespace GuzzleHttp\Psr7;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;
/**
* PSR-7 response implementation.
*/
class Response implements ResponseInterface
{
use MessageTrait;
/** @var array Map of standard HTTP status code/reason phrases */
private static $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 = 200;
/**
* @param int $status Status code
* @param array $headers Response headers
* @param string|null|resource|StreamInterface $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(
$status = 200,
array $headers = [],
$body = null,
$version = '1.1',
$reason = null
) {
$this->assertStatusCodeIsInteger($status);
$status = (int) $status;
$this->assertStatusCodeRange($status);
$this->statusCode = $status;
if ($body !== '' && $body !== null) {
$this->stream = stream_for($body);
}
$this->setHeaders($headers);
if ($reason == '' && isset(self::$phrases[$this->statusCode])) {
$this->reasonPhrase = self::$phrases[$this->statusCode];
} else {
$this->reasonPhrase = (string) $reason;
}
$this->protocol = $version;
}
public function getStatusCode()
{
return $this->statusCode;
}
public function getReasonPhrase()
{
return $this->reasonPhrase;
}
public function withStatus($code, $reasonPhrase = '')
{
$this->assertStatusCodeIsInteger($code);
$code = (int) $code;
$this->assertStatusCodeRange($code);
$new = clone $this;
$new->statusCode = $code;
if ($reasonPhrase == '' && isset(self::$phrases[$new->statusCode])) {
$reasonPhrase = self::$phrases[$new->statusCode];
}
$new->reasonPhrase = $reasonPhrase;
return $new;
}
private function assertStatusCodeIsInteger($statusCode)
{
if (filter_var($statusCode, FILTER_VALIDATE_INT) === false) {
throw new \InvalidArgumentException('Status code must be an integer value.');
}
}
private function assertStatusCodeRange($statusCode)
{
if ($statusCode < 100 || $statusCode >= 600) {
throw new \InvalidArgumentException('Status code must be an integer value between 1xx and 5xx.');
}
}
}