Elastica\Response::getFullError PHP Method

    public function getFullError()
    {
        $response = $this->getData();
        if (isset($response['error'])) {
            return $response['error'];
        }
    }

 /**
  * @group unit
  */
 public function testArrayErrorMessage()
 {
     $response = new Response(json_encode(array('error' => array('a', 'b'))));
     $this->assertEquals(array('a', 'b'), $response->getFullError());
 }