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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) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/** Zend_Captcha_Adapter */
require_once 'Zend/Captcha/Adapter.php';
/** 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) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Base.php 18951 2009-11-12 16:26:19Z alexander $
*/
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 $name
*/
public function setName($name)
{
$this->_name = $name;
return $this;
}
/**
* Constructor
*
* @param array|Zend_Config $options
* @return void
*/
public function __construct($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;
}
}
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