protected function canDeleteZone()
    {
        return isset($this->data_zone['zone_id'])
            && $this->zone->canDelete($this->data_zone['zone_id'])
            && $this->access('zone_delete');
    }
protected function canDeleteZone()
    {
        return isset($this->data_zone['zone_id'])
            && $this->zone->canDelete($this->data_zone['zone_id'])
            && $this->access('zone_delete');
    }
protected function canDeleteZone ( ) { return isset ( $ this -> data_zone [ 'zone_id' ] ) && $ this -> zone -> canDelete ( $ this -> data_zone [ 'zone_id' ] ) && $ this -> access ( 'zone_delete' ) ; }
Whether the zone can be deleted
@return bool
Whether the zone can be deleted