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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\TransportExceptionInterface; /** * The interface of chunks returned by ResponseStreamInterface::current(). * * When the chunk is first, last or timeout, the content MUST be empty. * When an unchecked timeout or a network error occurs, a TransportExceptionInterface * MUST be thrown by the destructor unless one was already thrown by another method. * * @author Nicolas Grekas <p@tchwork.com> */ interface ChunkInterface { /** * Tells when the idle timeout has been reached. * * @throws TransportExceptionInterface on a network error */ public function isTimeout(): bool; /** * Tells when headers just arrived. * * @throws TransportExceptionInterface on a network error or when the idle timeout is reached */ public function isFirst(): bool; /** * Tells when the body just completed. * * @throws TransportExceptionInterface on a network error or when the idle timeout is reached */ public function isLast(): bool; /** * Returns a [status code, headers] tuple when a 1xx status code was just received. * * @throws TransportExceptionInterface on a network error or when the idle timeout is reached */ public function getInformationalStatus(): ?array; /** * Returns the content of the response chunk. * * @throws TransportExceptionInterface on a network error or when the idle timeout is reached */ public function getContent(): string; /** * Returns the offset of the chunk in the response body. */ public function getOffset(): int; /** * In case of error, returns the message that describes it. */ public function getError(): ?string; }