FormValidatorInSet.inc.php

<?php
 
import('lib.pkp.classes.form.validation.FormValidator');
 
class FormValidatorInSet extends FormValidator {
 
   var $_acceptedValues;
 
   function __construct(&$form, $field, $type, $message, $acceptedValues) {
      parent::__construct($form, $field, $type, $message);
      $this->_acceptedValues = $acceptedValues;
   }
 
 
   //
   // Public methods
   //
   function isValid() {
      return $this->isEmptyAndOptional() || in_array($this->getFieldValue(), $this->_acceptedValues);
   }
}