PHP Json::getError方法代码示例

 /**
  * Serialize array to JSON string.
  *
  * @param  array $args
  * @return string
  * @throws GraphCommons\Util\JsonException
  */
 public function serialize(...$args) : string
 {
     $json = new Json($this->unserialize());
     if ($json->hasError()) {
         $jsonError = $json->getError();
         throw new JsonException(sprintf('JSON error: code(%d) message(%s)', $jsonError['code'], $jsonError['message']), $jsonError['code']);
     }
     return (string) $json->encode($args);
 }

 /**
  * Create a signal collection from JSON string.
  *
  * @param  string $json
  * @return GraphCommons\Graph\SignalCollection
  * @throws GraphCommons\Util\JsonException, \InvalidArgumentException
  */
 public static final function fromJson(string $json) : SignalCollection
 {
     $json = new Json($json);
     if ($json->hasError()) {
         $jsonError = $json->getError();
         throw new JsonException(sprintf('JSON error: code(%d) message(%s)', $jsonError['code'], $jsonError['message']), $jsonError['code']);
     }
     $data = $json->decode(true);
     if (!isset($data['signals'])) {
         throw new \InvalidArgumentException("'signals' field is required!");
     }
     $array = array();
     foreach ($data['signals'] as $i => $signal) {
         if (!isset($signal['action'])) {
             throw new \InvalidArgumentException("Signal 'action' and 'parameters' fields are required!");
         }
         $array[$i]['action'] = Signal::detectAction(Util::arrayPick($signal, 'action'));
         foreach ($signal as $key => $value) {
             $array[$i]['parameters'][$key] = $value;
         }
     }
     return self::fromArray($array);
 }

 /**
  * Serialize request body as JSON.
  *
  * @param  GraphCommons\Graph\Graph|array $body
  * @return string
  * @throws GraphCommons\Util\JsonException
  */
 private final function serializeBody($body) : string
 {
     // check body if lib's object
     if (is_object($body) && method_exists($body, 'serialize')) {
         return $body->serialize();
     }
     $json = new Json($body);
     if ($json->hasError()) {
         $jsonError = $json->getError();
         throw new JsonException(sprintf('JSON error: code(%d) message(%s)', $jsonError['code'], $jsonError['message']), $jsonError['code']);
     }
     return (string) $json->encode();
 }

 /**
  * Perform a request.
  *
  * @param  string $uri
  * @param  array  $uriParams
  * @param  string $body
  * @param  array  $headers
  * @return GraphCommons\Http\Response
  * @throws \InvalidArgumentException,
  *         GraphCommons\Http\Exception\Request, GraphCommons\Util\JsonException
  */
 public final function request(string $uri, array $uriParams = null, string $body = '', array $headers = null) : Response
 {
     // match for a valid request i.e: GET /foo
     preg_match('~^([a-z]+)\\s+(/.*)~i', $uri, $match);
     if (!isset($match[1], $match[2])) {
         throw new \InvalidArgumentException('Usage: <REQUEST METHOD> <REQUEST URI>');
     }
     $uri = sprintf('%s/%s/%s', $this->graphCommons->apiUrl, $this->graphCommons->apiVersion, trim($match[2]));
     $uri = preg_replace('~(^|[^:])//+~', '\\1/', trim($uri, '/'));
     $this->request->setMethod($match[1])->setUri($uri, (array) $uriParams);
     if (!empty($headers)) {
         foreach ($headers as $key => $value) {
             $this->request->setHeader(trim($key), $value);
         }
     }
     $requestMethod = $this->request->getMethod();
     if ($requestMethod == Request::METHOD_POST || $requestMethod == Request::METHOD_PUT) {
         // set body stuff
         $body = trim($body);
         $bodyLength = strlen($body);
         $this->request->setBody($body);
         $this->request->setBodyLength($bodyLength);
         // set content headers stuff
         $this->request->setHeader('Content-Type', 'application/json');
         $this->request->setHeader('Content-Length', (string) $bodyLength);
     }
     $result = $this->request->send();
     if ($result === null) {
         $fail = $this->request->getFail();
         throw new RequestException(sprintf('HTTP error: code(%d) message(%s)', $fail['code'], $fail['message']), $fail['code']);
     }
     unset($headers, $body);
     // split headers/body pairs
     @(list($headers, $body) = explode("\r\n\r\n", $result, 2));
     if (!isset($headers)) {
         throw new ResponseException('No headers received from server!');
     }
     if (!isset($body)) {
         throw new ResponseException('No body received from server!');
     }
     // parse response headers
     $headers = Util::parseResponseHeaders($headers);
     if (isset($headers['status'])) {
         $this->response->setStatus($headers['status']);
         $this->response->setStatusCode($headers['status_code']);
         $this->response->setStatusText($headers['status_text']);
     }
     $this->response->setHeaders($headers);
     $this->response->setBody($body);
     $json = new Json($body);
     // render response body
     $bodyData = $json->decode(true);
     if ($json->hasError()) {
         $jsonError = $json->getError();
         throw new JsonException(sprintf('JSON error: code(%d) message(%s)', $jsonError['code'], $jsonError['message']), $jsonError['code']);
     }
     $this->response->setBodyData($bodyData);
     return $this->response;
 }