Doctrine\Common\Collections\ArrayCollection::toArray PHP Method

    public function toArray()
    {
        return $this->elements;
    }

 /**
  * Get parameters.
  *
  * @return array
  */
 public function getParameters()
 {
     if (!$this->parameters instanceof ArrayCollection) {
         return [];
     }
     return $this->parameters->toArray();
 }