Elastica\Client::getLastResponse PHP Method

    public function getLastResponse()
    {
        return $this->_lastResponse;
    }

 /**
  * Integration test using localhost Elastic Search server
  *
  * @covers Monolog\Handler\ElasticSearchHandler::__construct
  * @covers Monolog\Handler\ElasticSearchHandler::handleBatch
  * @covers Monolog\Handler\ElasticSearchHandler::bulkSend
  * @covers Monolog\Handler\ElasticSearchHandler::getDefaultFormatter
  */
 public function testHandleIntegration()
 {
     $msg = array('level' => Logger::ERROR, 'level_name' => 'ERROR', 'channel' => 'meh', 'context' => array('foo' => 7, 'bar', 'class' => new \stdClass()), 'datetime' => new \DateTime("@0"), 'extra' => array(), 'message' => 'log');
     $expected = $msg;
     $expected['datetime'] = $msg['datetime']->format(\DateTime::ISO8601);
     $expected['context'] = array('class' => '[object] (stdClass: {})', 'foo' => 7, 0 => 'bar');
     $client = new Client();
     $handler = new ElasticSearchHandler($client, $this->options);
     try {
         $handler->handleBatch(array($msg));
     } catch (\RuntimeException $e) {
         $this->markTestSkipped("Cannot connect to Elastic Search server on localhost");
     }
     // check document id from ES server response
     $documentId = $this->getCreatedDocId($client->getLastResponse());
     $this->assertNotEmpty($documentId, 'No elastic document id received');
     // retrieve document source from ES and validate
     $document = $this->getDocSourceFromElastic($client, $this->options['index'], $this->options['type'], $documentId);
     $this->assertEquals($expected, $document);
     // remove test index from ES
     $client->request("/{$this->options['index']}", Request::DELETE);
 }