PHP FormChoices::getExemptionGradeTypes示例

 public function configure()
 {
     ## SET WIDGETS$this->setWidgets(array(
     $sNum = 1;
     foreach ($this->studentExemptionObj as $seObj) {
         ## checkIfEnrollment is clearance enrollment
         $this->setWidget('s_exemption_id' . $seObj->getId(), new sfWidgetFormChoice(array('choices' => FormChoices::getExemptionGradeTypes(), 'label' => $sNum . '. ' . $seObj->getCourse())));
         $sNum++;
     }
     ## SET VALIDATORS
     foreach ($this->studentExemptionObj as $seObj) {
         $this->setValidator('s_exemption_id' . $seObj->getId(), new sfValidatorString());
     }
     $this->widgetSchema->setNameFormat('exemptiongradesubmissionform[%s]');
 }