public function getParticipators(\DataContainer $dc) { $arrParticipators = array(); $objParticipation = \HeimrichHannot\Participation\ParticipationModel::findByPk($dc->activeRecord->pid); if ($objParticipation === null) { return $arrParticipators; } if ($objParticipation->type == '') { return $arrParticipators; } return \HeimrichHannot\Participation\ParticipationController::getParticipationDataSources($objParticipation); }