Nextras\Orm\Relationships\ManyHasMany::getEntitiesForPersistence PHP 메소드

    public function getEntitiesForPersistence()
    {
        if ($this->collection !== null || $this->wasLoaded) {
            return iterator_to_array($this->getIterator());
        } else {
            return $this->added + $this->toAdd;
        }
    }