php-openapi-generator

Guzzle Adapter

Use this adapter when your application standardizes on Guzzle.

Config

$config->generationTarget = GenerationTarget::Client;
$config->httpClient = HttpClientAdapter::Guzzle;

Constructor Signature

public function __construct(
    private readonly ClientInterface $httpClient,
    private readonly string $baseUrl,
) {
}

Request Style

$url = rtrim($this->baseUrl, '/') . '/pets/' . rawurlencode((string) $petId)
    . ($queryString === '' ? '' : '?' . $queryString);
$options = [];
$options[RequestOptions::JSON] = $body->toRequestArray();
$options[RequestOptions::HTTP_ERRORS] = false;

$response = $this->httpClient->request('PUT', $url, $options);

Response Mapping

The generated code decodes response JSON explicitly and rejects non-JSON content types or invalid JSON with an UnexpectedValueException:

$data = $this->decodeJsonResponse($response->getHeaderLine('Content-Type'), (string) $response->getBody(), 'updatePet');

Then maps the payload to generated models via fromArray().

Notes

• Best when middleware, retries, or observability already rely on Guzzle handlers.
• Uses RequestOptions constants for predictable option names.

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