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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_Captcha
  * @subpackage Adapter
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 /** @see Zend_Captcha_Adapter */
 // require_once 'Zend/Captcha/Adapter.php';
 
 /** @see Zend_Validate_Abstract */
 // require_once 'Zend/Validate/Abstract.php';
 
 /**
  * Base class for Captcha adapters
  *
  * Provides some utility functionality to build on
  *
  * @category   Zend
  * @package    Zend_Captcha
  * @subpackage Adapter
  * @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    $Id$
  */
 abstract class Zend_Captcha_Base extends Zend_Validate_Abstract implements Zend_Captcha_Adapter
 {
     /**
      * Element name
      *
      * Useful to generate/check form fields
      *
      * @var string
      */
     protected $_name;
 
     /**
      * Captcha options
      *
      * @var array
      */
     protected $_options = array();
 
     /**
      * Options to skip when processing options
      * @var array
      */
     protected $_skipOptions = array(
         'options',
         'config',
     );
 
     /**
      * Get name
      *
      * @return string
      */
     public function getName()
     {
         return $this->_name;
     }
 
     /**
      * Set name
      *
      * @param string $name
      * @return Zend_Captcha_Adapter
      */
     public function setName($name)
     {
         $this->_name = $name;
         return $this;
     }
 
     /**
      * Constructor
      *
      * @param  array|Zend_Config $options
      */
     public function __construct($options = null)
     {
         // Set options
         if (is_array($options)) {
             $this->setOptions($options);
         } else if ($options instanceof Zend_Config) {
             $this->setConfig($options);
         }
     }
 
     /**
      * Set single option for the object
      *
      * @param string $key
      * @param string $value
      * @return Zend_Form_Element
      */
     public function setOption($key, $value)
     {
         if (in_array(strtolower($key), $this->_skipOptions)) {
             return $this;
         }
 
         $method = 'set' . ucfirst ($key);
         if (method_exists ($this, $method)) {
             // Setter exists; use it
             $this->$method ($value);
             $this->_options[$key] = $value;
         } elseif (property_exists($this, $key)) {
             // Assume it's metadata
             $this->$key = $value;
             $this->_options[$key] = $value;
         }
         return $this;
     }
 
     /**
      * Set object state from options array
      *
      * @param  array $options
      * @return Zend_Form_Element
      */
     public function setOptions($options = null)
     {
         foreach ($options as $key => $value) {
             $this->setOption($key, $value);
         }
         return $this;
     }
 
     /**
      * Retrieve options representing object state
      *
      * @return array
      */
     public function getOptions()
     {
         return $this->_options;
     }
 
     /**
      * Set object state from config object
      *
      * @param  Zend_Config $config
      * @return Zend_Captcha_Base
      */
     public function setConfig(Zend_Config $config)
     {
         return $this->setOptions($config->toArray());
     }
 
     /**
      * Get optional decorator
      *
      * By default, return null, indicating no extra decorator needed.
      *
      * @return null
      */
     public function getDecorator()
     {
         return null;
     }
 }