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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Contracts\HttpClient;
use Symfony\Contracts\HttpClient\Exception\ClientExceptionInterface;
use Symfony\Contracts\HttpClient\Exception\DecodingExceptionInterface;
use Symfony\Contracts\HttpClient\Exception\ExceptionInterface;
use Symfony\Contracts\HttpClient\Exception\RedirectionExceptionInterface;
use Symfony\Contracts\HttpClient\Exception\ServerExceptionInterface;
use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface;
/**
* A (lazily retrieved) HTTP response.
*
* @author Nicolas Grekas <p@tchwork.com>
*
* @experimental in 1.1
*/
interface ResponseInterface
{
/**
* Gets the HTTP status code of the response.
*
* @throws TransportExceptionInterface when a network error occurs
*/
public function getStatusCode(): int;
/**
* Gets the HTTP headers of the response.
*
* @param bool $throw Whether an exception should be thrown on 3/4/5xx status codes
*
* @return string[][] The headers of the response keyed by header names in lowercase
*
* @throws TransportExceptionInterface When a network error occurs
* @throws RedirectionExceptionInterface On a 3xx when $throw is true and the "max_redirects" option has been reached
* @throws ClientExceptionInterface On a 4xx when $throw is true
* @throws ServerExceptionInterface On a 5xx when $throw is true
*/
public function getHeaders(bool $throw = true): array;
/**
* Gets the response body as a string.
*
* @param bool $throw Whether an exception should be thrown on 3/4/5xx status codes
*
* @throws TransportExceptionInterface When a network error occurs
* @throws RedirectionExceptionInterface On a 3xx when $throw is true and the "max_redirects" option has been reached
* @throws ClientExceptionInterface On a 4xx when $throw is true
* @throws ServerExceptionInterface On a 5xx when $throw is true
*/
public function getContent(bool $throw = true): string;
/**
* Gets the response body decoded as array, typically from a JSON payload.
*
* @param bool $throw Whether an exception should be thrown on 3/4/5xx status codes
*
* @throws DecodingExceptionInterface When the body cannot be decoded to an array
* @throws TransportExceptionInterface When a network error occurs
* @throws RedirectionExceptionInterface On a 3xx when $throw is true and the "max_redirects" option has been reached
* @throws ClientExceptionInterface On a 4xx when $throw is true
* @throws ServerExceptionInterface On a 5xx when $throw is true
*/
public function toArray(bool $throw = true): array;
/**
* Closes the response stream and all related buffers.
*
* No further chunk will be yielded after this method has been called.
*/
public function cancel(): void;
/**
* Returns info coming from the transport layer.
*
* This method SHOULD NOT throw any ExceptionInterface and SHOULD be non-blocking.
* The returned info is "live": it can be empty and can change from one call to
* another, as the request/response progresses.
*
* The following info MUST be returned:
* - canceled (bool) - true if the response was canceled using ResponseInterface::cancel(), false otherwise
* - error (string|null) - the error message when the transfer was aborted, null otherwise
* - http_code (int) - the last response code or 0 when it is not known yet
* - http_method (string) - the HTTP verb of the last request
* - redirect_count (int) - the number of redirects followed while executing the request
* - redirect_url (string|null) - the resolved location of redirect responses, null otherwise
* - response_headers (array) - an array modelled after the special $http_response_header variable
* - start_time (float) - the time when the request was sent or 0.0 when it's pending
* - url (string) - the last effective URL of the request
* - user_data (mixed|null) - the value of the "user_data" request option, null if not set
*
* When the "capture_peer_cert_chain" option is true, the "peer_certificate_chain"
* attribute SHOULD list the peer certificates as an array of OpenSSL X.509 resources.
*
* Other info SHOULD be named after curl_getinfo()'s associative return value.
*
* @return array|mixed|null An array of all available info, or one of them when $type is
* provided, or null when an unsupported type is requested
*/
public function getInfo(string $type = null);
}
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