interface/modules/zend_modules/library/Zend/Form/Annotation/AllowEmpty.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Form\Annotation;
  11
  12 use Zend\Filter\Boolean as BooleanFilter;
  13
  14 /**
  15  * AllowEmpty annotation
  16  *
  17  * Presence of this annotation is a hint that the associated
  18  * \Zend\InputFilter\Input should enable the allowEmpty flag.
  19  *
  20  * @Annotation
  21  */
  22 class AllowEmpty
  23 {
  24     /**
  25      * @var bool
  26      */
  27     protected $allowEmpty = true;
  28
  29     /**
  30      * Receive and process the contents of an annotation
  31      *
  32      * @param array $data
  33      */
  34     public function __construct(array $data)
  35     {
  36         if (!isset($data['value'])) {
  37             $data['value'] = false;
  38         }
  39
  40         $allowEmpty = $data['value'];
  41
  42         if (!is_bool($allowEmpty)) {
  43             $filter   = new BooleanFilter();
  44             $allowEmpty = $filter->filter($allowEmpty);
  45         }
  46
  47         $this->allowEmpty = $allowEmpty;
  48     }
  49
  50     /**
  51      * Get value of required flag
  52      *
  53      * @return bool
  54      */
  55     public function getAllowEmpty()
  56     {
  57         return $this->allowEmpty;
  58     }
  59 }