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<?php |
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/** |
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* @category Brownie/CartsGuru |
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* @author Brownie <[email protected]> |
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* @license http://www.gnu.org/copyleft/lesser.html |
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*/ |
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namespace Brownie\CartsGuru\HTTPClient; |
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use Brownie\CartsGuru\Exception\InvalidCodeException; |
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use Brownie\CartsGuru\Exception\JsonException; |
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use Brownie\CartsGuru\Config; |
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use Brownie\CartsGuru\Model\Base\DataModel; |
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/** |
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* HTTP client. |
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*/ |
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class HTTPClient |
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{ |
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const HTTP_METHOD_GET = 'GET'; |
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const HTTP_METHOD_POST = 'POST'; |
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const HTTP_METHOD_PUT = 'PUT'; |
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const HTTP_METHOD_DELETE = 'DELETE'; |
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const HTTP_CODE_200 = 200; |
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/** |
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* CartsGuru configuration. |
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* @var Config |
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*/ |
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private $config; |
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/** |
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* HTTP client. |
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* @var Client |
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*/ |
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private $client; |
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/** |
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* Sets incoming data. |
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* |
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* @param Client $client HTTP client. |
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* @param Config $config CartsGuru configuration. |
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*/ |
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public function __construct(Client $client, Config $config) |
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{ |
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$this |
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->setClient($client) |
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->setConfig($config); |
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} |
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/** |
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* Sets the request client. |
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* Returns the current object. |
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* |
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* @param Client $client |
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* |
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* @return self |
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*/ |
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private function setClient(Client $client) |
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{ |
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$this->client = $client; |
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return $this; |
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} |
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/** |
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* Sets the CartsGuru configuration. |
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* Returns the current object. |
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* |
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* @param Config $config CartsGuru configuration. |
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* |
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* @return self |
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*/ |
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private function setConfig(Config $config) |
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{ |
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$this->config = $config; |
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return $this; |
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} |
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/** |
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* Returns request client. |
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* |
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* @return Client |
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*/ |
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private function getClient() |
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{ |
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return $this->client; |
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} |
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/** |
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* Returns CartsGuru configuration. |
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* |
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* @return Config |
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*/ |
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private function getConfig() |
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{ |
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return $this->config; |
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} |
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/** |
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* Performs a network request in CartsGuru. |
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* Returns the response from CartsGuru. |
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* |
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* @param int $checkHTTPCode Checked HTTP Code |
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* @param string $endpoint The access endpoint to the resource. |
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* @param array|DataModel $data An array of data to send. |
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* @param string $method Query Method. |
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* @param boolean $ignoreEmptyResponse Semaphore of ignoring an empty response. |
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* |
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* @throws InvalidCodeException |
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* @throws JsonException |
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* |
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* @return array |
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*/ |
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public function request( |
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$checkHTTPCode, |
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$endpoint, |
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$data = array(), |
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$method = self::HTTP_METHOD_GET, |
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$ignoreEmptyResponse = false |
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) { |
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$apiUrl = $this->getApiUrl($endpoint); |
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if (is_object($data)) { |
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$data = $data->toArray(); |
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} |
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$query = new Query(); |
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$query |
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->setApiUrl($apiUrl) |
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->setXAuthKey($this->getConfig()->getApiAuthKey()) |
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->setData($data) |
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->setMethod($method) |
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->setTimeOut($this->getConfig()->getTimeOut()); |
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$response = $this |
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->getClient() |
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->httpRequest($query); |
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$responseBody = $this->parseResponse($ignoreEmptyResponse, $response->getBody()); |
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$this->checkingHTTPCode( |
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$checkHTTPCode, |
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$response->getHttpCode(), |
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is_array($responseBody) && isset($responseBody['error']) ? ', ' . $responseBody['error'] : '' |
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); |
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return array( |
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'response' => $responseBody, |
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'runtime' => $response->getRuntime(), |
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); |
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} |
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/** |
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* Returns the text of the JSON parsing error. |
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* |
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* @param integer $errorId Error ID |
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* |
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* @return string |
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*/ |
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public function getJsonLastErrorMsg($errorId) |
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{ |
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$message = 'Unknown error'; |
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$errors = array( |
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JSON_ERROR_DEPTH => 'Maximum stack depth exceeded', |
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JSON_ERROR_STATE_MISMATCH => 'Underflow or the modes mismatch', |
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JSON_ERROR_CTRL_CHAR => 'Unexpected control character found', |
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JSON_ERROR_SYNTAX => 'Syntax error, malformed JSON', |
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JSON_ERROR_UTF8 => 'Malformed UTF-8 characters, possibly incorrectly encoded' |
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); |
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if (!empty($errors[$errorId])) { |
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$message = $errors[$errorId]; |
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} |
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return $message; |
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} |
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/** |
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* Creates a complete URL to the resource. |
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* Returns the created URL. |
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* |
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* @param string $endpoint API Endpoint. |
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* |
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* @return string |
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*/ |
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private function getApiUrl($endpoint) |
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{ |
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return implode( |
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'/', |
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array( |
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$this->getConfig()->getApiUrl(), |
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$endpoint |
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) |
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); |
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} |
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/** |
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* Checking HTTP Code. |
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* |
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* @param int $checkHTTPCode Verification HTTP code. |
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* @param int $httpCode Verifiable HTTP code. |
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* @param string $message Error message. |
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* |
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* @throws InvalidCodeException |
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*/ |
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private function checkingHTTPCode($checkHTTPCode, $httpCode, $message) |
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{ |
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if ($checkHTTPCode != $httpCode) { |
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throw new InvalidCodeException($httpCode . ($message)); |
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} |
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} |
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/** |
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* Parsing with the API response. |
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* |
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* @param bool $ignoreEmptyResponse A sign of ignoring an empty response. |
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* @param string $responseBody HTTP response from the API. |
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* |
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* @return array |
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* |
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* @throws JsonException |
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*/ |
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private function parseResponse($ignoreEmptyResponse, $responseBody) |
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{ |
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$response = array(); |
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if (!$ignoreEmptyResponse && !empty($responseBody)) { |
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$response = json_decode($responseBody, true); |
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/** |
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* Parse Json checking. |
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*/ |
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if (json_last_error() != JSON_ERROR_NONE) { |
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throw new JsonException($this->getJsonLastErrorMsg(json_last_error())); |
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} |
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} |
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return $response; |
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} |
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} |
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