Viewing file:  ArraySerializer.php (2.73 KB) -rw-r--r--
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<?php
declare(strict_types=1);
namespace Laminas\Diactoros\Response;
use Laminas\Diactoros\Exception;
use Laminas\Diactoros\Response;
use Laminas\Diactoros\Stream;
use Psr\Http\Message\ResponseInterface;
use Throwable;
use function sprintf;
/**
* Serialize or deserialize response messages to/from arrays.
*
* This class provides functionality for serializing a ResponseInterface instance
* to an array, as well as the reverse operation of creating a Response instance
* from an array representing a message.
*/
final class ArraySerializer
{
/**
* Serialize a response message to an array.
*
* @return array{
* status_code: int,
* reason_phrase: string,
* protocol_version: string,
* headers: array<array<string>>,
* body: string
* }
*/
public static function toArray(ResponseInterface $response): array
{
return [
'status_code' => $response->getStatusCode(),
'reason_phrase' => $response->getReasonPhrase(),
'protocol_version' => $response->getProtocolVersion(),
'headers' => $response->getHeaders(),
'body' => (string) $response->getBody(),
];
}
/**
* Deserialize a response array to a response instance.
*
* @throws Exception\DeserializationException When cannot deserialize response.
*/
public static function fromArray(array $serializedResponse): Response
{
try {
$body = new Stream('php://memory', 'wb+');
$body->write(self::getValueFromKey($serializedResponse, 'body'));
$statusCode = self::getValueFromKey($serializedResponse, 'status_code');
$headers = self::getValueFromKey($serializedResponse, 'headers');
$protocolVersion = self::getValueFromKey($serializedResponse, 'protocol_version');
$reasonPhrase = self::getValueFromKey($serializedResponse, 'reason_phrase');
return (new Response($body, $statusCode, $headers))
->withProtocolVersion($protocolVersion)
->withStatus($statusCode, $reasonPhrase);
} catch (Throwable $exception) {
throw Exception\DeserializationException::forResponseFromArray($exception);
}
}
/**
* @return mixed
* @throws Exception\DeserializationException
*/
private static function getValueFromKey(array $data, string $key, ?string $message = null)
{
if (isset($data[$key])) {
return $data[$key];
}
if ($message === null) {
$message = sprintf('Missing "%s" key in serialized response', $key);
}
throw new Exception\DeserializationException($message);
}
}
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