Phalcon\Mvc\Model\Behavior\NestedSet::roots PHP Method

Named scope. Gets root node(s).

public roots ( ) : Phalcon\Mvc\Model\ResultsetInterface
return	Phalcon\Mvc\Model\ResultsetInterface

    public function roots()
    {
        $owner = $this->getOwner();
        return $owner::find($this->leftAttribute . ' = 1');
    }

NestedSet