Basho\Riak\Object::getContentType PHP Method

    public function getContentType()
    {
        return $this->content_type;
    }

 public function getEncodedData()
 {
     $data = $this->getData();
     if (in_array($this->object->getContentType(), ['application/json', 'text/json'])) {
         return json_encode($data);
     }
     return rawurlencode($data);
 }