public function hasExclusiveValues() { $this->_populateCustomtype(); return in_array($this->_customtype->getType(), array(TBGCustomDatatype::RADIO_CHOICE, TBGCustomDatatype::COMPONENTS_CHOICE, TBGCustomDatatype::EDITIONS_CHOICE, TBGCustomDatatype::RELEASES_CHOICE, TBGCustomDatatype::STATUS_CHOICE)); }