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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 Decorator
  * @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_Form_Decorator_Abstract */
 // require_once 'Zend/Form/Decorator/Abstract.php';
 
 /**
  * Captcha generic decorator
  *
  * Adds captcha adapter output
  *
  * @category   Zend
  * @package    Zend_Form
  * @subpackage Decorator
  * @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_Decorator_Captcha extends Zend_Form_Decorator_Abstract
 {
     /**
      * Render captcha
      *
      * @param  string $content
      * @return string
      */
     public function render($content)
     {
         $element = $this->getElement();
         if (!method_exists($element, 'getCaptcha')) {
             return $content;
         }
 
         $view    = $element->getView();
         if (null === $view) {
             return $content;
         }
 
         $placement = $this->getPlacement();
         $separator = $this->getSeparator();
 
         $captcha = $element->getCaptcha();
         $markup  = $captcha->render($view, $element);
         switch ($placement) {
             case 'PREPEND':
                 $content = $markup . $separator .  $content;
                 break;
             case 'APPEND':
             default:
                 $content = $content . $separator . $markup;
         }
         return $content;
     }
 }