public function getExpiryAttribute() : Carbon
    {
        if ($this->cageExpires !== null) {
            return $this->cageExpires;
        }

        return $this->cageExpires = $this->created_at->addMinutes($this->getAttributeFromArray('length'));
    }
public function getExpiryAttribute() : Carbon
    {
        if ($this->cageExpires !== null) {
            return $this->cageExpires;
        }

        return $this->cageExpires = $this->created_at->addMinutes($this->getAttributeFromArray('length'));
    }
public function getExpiryAttribute ( ) : Carbon { if ( $ this -> cageExpires !== null ) { return $ this -> cageExpires ; } return $ this -> cageExpires = $ this -> created_at -> addMinutes ( $ this -> getAttributeFromArray ( 'length' ) ) ; }
Get cage expiry time.

@return \Carbon\Carbon
Get cage expiry time .