Webiny\Component\Entity\Attribute\AbstractAttribute::toArray PHP Method

    public function toArray($params = [])
    {
        return $this->processToArrayValue($this->getValue($params));
    }

 /**
  * Get value that will be used to represent this attribute when converting AbstractEntity to array
  *
  * @param array $params
  *
  * @return string
  */
 public function toArray($params = [])
 {
     return (double) parent::toArray($params);
 }