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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_View
  * @subpackage Helper
  * @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    $Id$
  */
 
 /** Zend_Locale */
 // require_once 'Zend/Locale.php';
 
 /** Zend_View_Helper_Abstract.php */
 // require_once 'Zend/View/Helper/Abstract.php';
 
 /**
  * Translation view helper
  *
  * @category  Zend
  * @package   Zend_View
  * @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_View_Helper_Translate extends Zend_View_Helper_Abstract
 {
     /**
      * Translation object
      *
      * @var Zend_Translate_Adapter
      */
     protected $_translator;
 
     /**
      * Constructor for manually handling
      *
      * @param Zend_Translate|Zend_Translate_Adapter $translate Instance of Zend_Translate
      */
     public function __construct($translate = null)
     {
         if ($translate !== null) {
             $this->setTranslator($translate);
         }
     }
 
     /**
      * Translate a message
      * You can give multiple params or an array of params.
      * If you want to output another locale just set it as last single parameter
      * Example 1: translate('%1\$s + %2\$s', $value1, $value2, $locale);
      * Example 2: translate('%1\$s + %2\$s', array($value1, $value2), $locale);
      *
      * @param  string $messageid Id of the message to be translated
      * @return string|Zend_View_Helper_Translate Translated message
      */
     public function translate($messageid = null)
     {
         if ($messageid === null) {
             return $this;
         }
 
         $translate = $this->getTranslator();
         $options   = func_get_args();
 
         array_shift($options);
         $count  = count($options);
         $locale = null;
         if ($count > 0) {
             if (Zend_Locale::isLocale($options[($count - 1)], null, false) !== false) {
                 $locale = array_pop($options);
             }
         }
 
         if ((count($options) === 1) and (is_array($options[0]) === true)) {
             $options = $options[0];
         }
 
         if ($translate !== null) {
             $messageid = $translate->translate($messageid, $locale);
         }
 
         if (count($options) === 0) {
             return $messageid;
         }
 
         return vsprintf($messageid, $options);
     }
 
     /**
      * Sets a translation Adapter for translation
      *
      * @param  Zend_Translate|Zend_Translate_Adapter $translate Instance of Zend_Translate
      * @throws Zend_View_Exception When no or a false instance was set
      * @return Zend_View_Helper_Translate
      */
     public function setTranslator($translate)
     {
         if ($translate instanceof Zend_Translate_Adapter) {
             $this->_translator = $translate;
         } else if ($translate instanceof Zend_Translate) {
             $this->_translator = $translate->getAdapter();
         } else {
             // require_once 'Zend/View/Exception.php';
             $e = new Zend_View_Exception('You must set an instance of Zend_Translate or Zend_Translate_Adapter');
             $e->setView($this->view);
             throw $e;
         }
 
         return $this;
     }
 
     /**
      * Retrieve translation object
      *
      * @return Zend_Translate_Adapter|null
      */
     public function getTranslator()
     {
         if ($this->_translator === null) {
             // require_once 'Zend/Registry.php';
             if (Zend_Registry::isRegistered('Zend_Translate')) {
                 $this->setTranslator(Zend_Registry::get('Zend_Translate'));
             }
         }
 
         return $this->_translator;
     }
 
     /**
      * Set's an new locale for all further translations
      *
      * @param  string|Zend_Locale $locale New locale to set
      * @throws Zend_View_Exception When no Zend_Translate instance was set
      * @return Zend_View_Helper_Translate
      */
     public function setLocale($locale = null)
     {
         $translate = $this->getTranslator();
         if ($translate === null) {
             // require_once 'Zend/View/Exception.php';
             $e = new Zend_View_Exception('You must set an instance of Zend_Translate or Zend_Translate_Adapter');
             $e->setView($this->view);
             throw $e;
         }
 
         $translate->setLocale($locale);
         return $this;
     }
 
     /**
      * Returns the set locale for translations
      *
      * @throws Zend_View_Exception When no Zend_Translate instance was set
      * @return string|Zend_Locale
      */
     public function getLocale()
     {
         $translate = $this->getTranslator();
         if ($translate === null) {
             // require_once 'Zend/View/Exception.php';
             $e = new Zend_View_Exception('You must set an instance of Zend_Translate or Zend_Translate_Adapter');
             $e->setView($this->view);
             throw $e;
         }
 
         return $translate->getLocale();
     }
 }