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<?php |
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/* |
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* This file is part of Guzzle HTTP JSON-RPC |
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* |
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* Copyright (c) 2014 Nature Delivered Ltd. <http://graze.com> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @see http://github.com/graze/guzzle-jsonrpc/blob/master/LICENSE |
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* @link http://github.com/graze/guzzle-jsonrpc |
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*/ |
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namespace Graze\GuzzleHttp\JsonRpc; |
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use Graze\GuzzleHttp\JsonRpc; |
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use Graze\GuzzleHttp\JsonRpc\Message\MessageFactory; |
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use Graze\GuzzleHttp\JsonRpc\Message\MessageFactoryInterface; |
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use Graze\GuzzleHttp\JsonRpc\Message\RequestInterface; |
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use Graze\GuzzleHttp\JsonRpc\Message\ResponseInterface; |
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use Graze\GuzzleHttp\JsonRpc\Middleware\RequestFactoryMiddleware; |
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use Graze\GuzzleHttp\JsonRpc\Middleware\RequestHeaderMiddleware; |
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use Graze\GuzzleHttp\JsonRpc\Middleware\ResponseFactoryMiddleware; |
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use Graze\GuzzleHttp\JsonRpc\Middleware\RpcErrorMiddleware; |
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use GuzzleHttp\Client as HttpClient; |
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use GuzzleHttp\ClientInterface as HttpClientInterface; |
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use GuzzleHttp\Promise\PromiseInterface; |
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class Client implements ClientInterface |
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{ |
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/** |
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* @var HttpClientInterface |
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*/ |
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protected $httpClient; |
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/** |
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* @var MessageFactoryInterface |
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*/ |
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protected $messageFactory; |
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/** |
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* @param HttpClientInterface $httpClient |
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* @param MessageFactoryInterface $factory |
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*/ |
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public function __construct(HttpClientInterface $httpClient, MessageFactoryInterface $factory) |
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{ |
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$this->httpClient = $httpClient; |
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$this->messageFactory = $factory; |
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$handler = $this->httpClient->getConfig('handler'); |
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$handler->push(new RequestFactoryMiddleware($factory)); |
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$handler->push(new RequestHeaderMiddleware()); |
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$handler->push(new RpcErrorMiddleware()); |
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$handler->push(new ResponseFactoryMiddleware($factory)); |
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} |
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/** |
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* @param string $uri |
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* @param array $config |
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* |
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* @return Client |
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*/ |
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public static function factory($uri, array $config = []) |
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{ |
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if (isset($config['message_factory'])) { |
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$factory = $config['message_factory']; |
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unset($config['message_factory']); |
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} else { |
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$factory = new MessageFactory(); |
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} |
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return new self(new HttpClient(array_merge($config, [ |
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'base_uri' => $uri, |
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])), $factory); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @link http://www.jsonrpc.org/specification#notification |
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* |
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* @param string $method |
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* @param array|null $params |
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* |
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* @return RequestInterface |
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*/ |
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public function notification($method, array $params = null) |
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{ |
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return $this->createRequest(RequestInterface::NOTIFICATION, array_filter([ |
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'jsonrpc' => self::SPEC, |
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'method' => $method, |
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'params' => $params, |
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])); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @link http://www.jsonrpc.org/specification#request_object |
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* |
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* @param mixed $id |
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* @param string $method |
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* @param array|null $params |
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* |
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* @return RequestInterface |
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*/ |
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public function request($id, $method, array $params = null) |
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{ |
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return $this->createRequest(RequestInterface::REQUEST, array_filter([ |
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'jsonrpc' => self::SPEC, |
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'method' => $method, |
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'params' => $params, |
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'id' => $id, |
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])); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @param RequestInterface $request |
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* |
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* @return ResponseInterface|null |
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*/ |
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public function send(RequestInterface $request) |
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{ |
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$promise = $this->sendAsync($request); |
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return $promise->wait(); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @param RequestInterface $request |
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* |
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* @return PromiseInterface |
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*/ |
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public function sendAsync(RequestInterface $request) |
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{ |
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return $this->httpClient->sendAsync($request)->then( |
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function (ResponseInterface $response) use ($request) { |
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return $request->getRpcId() ? $response : null; |
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} |
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); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @link http://www.jsonrpc.org/specification#batch |
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* |
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* @param RequestInterface[] $requests |
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* |
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* @return ResponseInterface[] |
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*/ |
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public function sendAll(array $requests) |
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{ |
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$promise = $this->sendAllAsync($requests); |
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return $promise->wait(); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @link http://www.jsonrpc.org/specification#batch |
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* |
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* @param RequestInterface[] $requests |
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* |
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* @return PromiseInterface |
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*/ |
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public function sendAllAsync(array $requests) |
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{ |
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return $this->httpClient->sendAsync($this->createRequest( |
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RequestInterface::BATCH, |
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$this->getBatchRequestOptions($requests) |
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))->then(function (ResponseInterface $response) { |
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return $this->getBatchResponses($response); |
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}); |
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} |
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/** |
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* @param string $method |
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* @param array $options |
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* |
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* @return RequestInterface |
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*/ |
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protected function createRequest($method, array $options) |
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{ |
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$uri = $this->httpClient->getConfig('base_uri'); |
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$defaults = $this->httpClient->getConfig('defaults'); |
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$headers = isset($defaults['headers']) ? $defaults['headers'] : []; |
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return $this->messageFactory->createRequest($method, $uri, $headers, $options); |
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} |
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/** |
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* @param RequestInterface[] $requests |
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* |
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* @return array |
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*/ |
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protected function getBatchRequestOptions(array $requests) |
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{ |
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return array_map(function (RequestInterface $request) { |
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return JsonRpc\json_decode((string) $request->getBody()); |
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}, $requests); |
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} |
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/** |
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* @param ResponseInterface $response |
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* @return ResponseInterface[] |
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*/ |
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protected function getBatchResponses(ResponseInterface $response) |
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{ |
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$results = JsonRpc\json_decode((string) $response->getBody(), true); |
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return array_map(function (array $result) use ($response) { |
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return $this->messageFactory->createResponse( |
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$response->getStatusCode(), |
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$response->getHeaders(), |
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$result |
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); |
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}, $results); |
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} |
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} |
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