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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_Reflection
  * @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    $Id$
  */
 
 /**
  * @category   Zend
  * @package    Zend_Reflection
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Reflection_Parameter extends ReflectionParameter
 {
     /**
      * @var bool
      */
     protected $_isFromMethod = false;
 
     /**
      * Get declaring class reflection object
      *
      * @param  string $reflectionClass Reflection class to use
      * @return Zend_Reflection_Class
      */
     public function getDeclaringClass($reflectionClass = 'Zend_Reflection_Class')
     {
         $phpReflection  = parent::getDeclaringClass();
         $zendReflection = new $reflectionClass($phpReflection->getName());
         if (!$zendReflection instanceof Zend_Reflection_Class) {
             // require_once 'Zend/Reflection/Exception.php';
             throw new Zend_Reflection_Exception('Invalid reflection class provided; must extend Zend_Reflection_Class');
         }
         unset($phpReflection);
         return $zendReflection;
     }
 
     /**
      * Get class reflection object
      *
      * @param  string $reflectionClass Reflection class to use
      * @return Zend_Reflection_Class
      */
     public function getClass($reflectionClass = 'Zend_Reflection_Class')
     {
         $phpReflection  = parent::getClass();
         if($phpReflection == null) {
             return null;
         }
 
         $zendReflection = new $reflectionClass($phpReflection->getName());
         if (!$zendReflection instanceof Zend_Reflection_Class) {
             // require_once 'Zend/Reflection/Exception.php';
             throw new Zend_Reflection_Exception('Invalid reflection class provided; must extend Zend_Reflection_Class');
         }
         unset($phpReflection);
         return $zendReflection;
     }
 
     /**
      * Get declaring function reflection object
      *
      * @param  string $reflectionClass Reflection class to use
      * @return Zend_Reflection_Function|Zend_Reflection_Method
      */
     public function getDeclaringFunction($reflectionClass = null)
     {
         $phpReflection = parent::getDeclaringFunction();
         if ($phpReflection instanceof ReflectionMethod) {
             $baseClass = 'Zend_Reflection_Method';
             if (null === $reflectionClass) {
                 $reflectionClass = $baseClass;
             }
             $zendReflection = new $reflectionClass($this->getDeclaringClass()->getName(), $phpReflection->getName());
         } else {
             $baseClass = 'Zend_Reflection_Function';
             if (null === $reflectionClass) {
                 $reflectionClass = $baseClass;
             }
             $zendReflection = new $reflectionClass($phpReflection->getName());
         }
         if (!$zendReflection instanceof $baseClass) {
             // require_once 'Zend/Reflection/Exception.php';
             throw new Zend_Reflection_Exception('Invalid reflection class provided; must extend ' . $baseClass);
         }
         unset($phpReflection);
         return $zendReflection;
     }
 
     /**
      * Get parameter type
      *
      * @return string
      */
     public function getType()
     {
         if ($docblock = $this->getDeclaringFunction()->getDocblock()) {
             $params = $docblock->getTags('param');
 
             if (isset($params[$this->getPosition()])) {
                 return $params[$this->getPosition()]->getType();
             }
 
         }
 
         return null;
     }
 }