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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Form
  * @subpackage Element
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 /** Zend_Form_Element_Xhtml */
 // require_once 'Zend/Form/Element/Xhtml.php';
 
 /**
  * Checkbox form element
  *
  * @category   Zend
  * @package    Zend_Form
  * @subpackage Element
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 class Zend_Form_Element_Checkbox extends Zend_Form_Element_Xhtml
 {
     /**
      * Is the checkbox checked?
      * @var bool
      */
     public $checked = false;
 
     /**
      * Use formCheckbox view helper by default
      * @var string
      */
     public $helper = 'formCheckbox';
 
     /**
      * Options that will be passed to the view helper
      * @var array
      */
     public $options = array(
         'checkedValue'   => '1',
         'uncheckedValue' => '0',
     );
 
     /**
      * Value when checked
      * @var string
      */
     protected $_checkedValue = '1';
 
     /**
      * Value when not checked
      * @var string
      */
     protected $_uncheckedValue = '0';
 
     /**
      * Current value
      * @var string 0 or 1
      */
     protected $_value = '0';
 
     /**
      * Set options
      *
      * Intercept checked and unchecked values and set them early; test stored
      * value against checked and unchecked values after configuration.
      *
      * @param  array $options
      * @return Zend_Form_Element_Checkbox
      */
     public function setOptions(array $options)
     {
         if (array_key_exists('checkedValue', $options)) {
             $this->setCheckedValue($options['checkedValue']);
             unset($options['checkedValue']);
         }
         if (array_key_exists('uncheckedValue', $options)) {
             $this->setUncheckedValue($options['uncheckedValue']);
             unset($options['uncheckedValue']);
         }
         parent::setOptions($options);
 
         $curValue = $this->getValue();
         $test     = array($this->getCheckedValue(), $this->getUncheckedValue());
         if (!in_array($curValue, $test)) {
             $this->setValue($curValue);
         }
 
         return $this;
     }
 
     /**
      * Set value
      *
      * If value matches checked value, sets to that value, and sets the checked
      * flag to true.
      *
      * Any other value causes the unchecked value to be set as the current
      * value, and the checked flag to be set as false.
      *
      *
      * @param  mixed $value
      * @return Zend_Form_Element_Checkbox
      */
     public function setValue($value)
     {
         if ($value == $this->getCheckedValue()) {
             parent::setValue($value);
             $this->checked = true;
         } else {
             parent::setValue($this->getUncheckedValue());
             $this->checked = false;
         }
         return $this;
     }
 
     /**
      * Set checked value
      *
      * @param  string $value
      * @return Zend_Form_Element_Checkbox
      */
     public function setCheckedValue($value)
     {
         $this->_checkedValue = (string) $value;
         $this->options['checkedValue'] = $value;
         return $this;
     }
 
     /**
      * Get value when checked
      *
      * @return string
      */
     public function getCheckedValue()
     {
         return $this->_checkedValue;
     }
 
     /**
      * Set unchecked value
      *
      * @param  string $value
      * @return Zend_Form_Element_Checkbox
      */
     public function setUncheckedValue($value)
     {
         $this->_uncheckedValue = (string) $value;
         $this->options['uncheckedValue'] = $value;
         return $this;
     }
 
     /**
      * Get value when not checked
      *
      * @return string
      */
     public function getUncheckedValue()
     {
         return $this->_uncheckedValue;
     }
 
     /**
      * Set checked flag
      *
      * @param  bool $flag
      * @return Zend_Form_Element_Checkbox
      */
     public function setChecked($flag)
     {
         $this->checked = (bool) $flag;
         if ($this->checked) {
             $this->setValue($this->getCheckedValue());
         } else {
             $this->setValue($this->getUncheckedValue());
         }
         return $this;
     }
 
     /**
      * Get checked flag
      *
      * @return bool
      */
     public function isChecked()
     {
         return $this->checked;
     }
 }