RoleModel::getArray PHP Method

    public function getArray()
    {
        $RoleData = $this->get()->resultArray();
        $Result = array_column($RoleData, 'Name', 'RoleID');
        return $Result;
    }

 public function toString()
 {
     $Form = $this->_Sender->Form;
     $this->_Sender->addJsFile('condition.js');
     if ($Form->authenticatedPostBack()) {
         // Grab the conditions from the form and convert them to the conditions array.
         $this->Conditions($this->_FromForm());
     } else {
     }
     $this->Types = array_merge(array('' => '(' . sprintf(t('Select a %s'), t('Condition Type', 'Type')) . ')'), Gdn_Condition::AllTypes());
     //die(print_r($this->Types));
     // Get all of the permissions that are valid for the permissions dropdown.
     $PermissionModel = new PermissionModel();
     $Permissions = $PermissionModel->GetGlobalPermissions(0);
     $Permissions = array_keys($Permissions);
     sort($Permissions);
     $Permissions = array_combine($Permissions, $Permissions);
     $Permissions = array_merge(array('' => '(' . sprintf(t('Select a %s'), t('Permission')) . ')'), $Permissions);
     $this->Permissions = $Permissions;
     // Get all of the roles.
     $RoleModel = new RoleModel();
     $Roles = $RoleModel->getArray();
     $Roles = array_merge(array('-' => '(' . sprintf(t('Select a %s'), t('Role')) . ')'), $Roles);
     $this->Roles = $Roles;
     $this->Form = $Form;
     return parent::ToString();
 }