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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_Validate
  * @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    $Id$
  */
 
 /**
  * @see Zend_Validate_Abstract
  */
 // require_once 'Zend/Validate/Abstract.php';
 
 /**
  * @see Zend_Locale_Format
  */
 // require_once 'Zend/Locale/Format.php';
 
 /**
  * @category   Zend
  * @package    Zend_Validate
  * @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_Validate_PostCode extends Zend_Validate_Abstract
 {
     const INVALID  = 'postcodeInvalid';
     const NO_MATCH = 'postcodeNoMatch';
 
     /**
      * @var array
      */
     protected $_messageTemplates = array(
         self::INVALID  => "Invalid type given. String or integer expected",
         self::NO_MATCH => "'%value%' does not appear to be a postal code",
     );
 
     /**
      * Locale to use
      *
      * @var string
      */
     protected $_locale;
 
     /**
      * Manual postal code format
      *
      * @var unknown_type
      */
     protected $_format;
 
     /**
      * Constructor for the integer validator
      *
      * Accepts either a string locale, a Zend_Locale object, or an array or
      * Zend_Config object containing the keys "locale" and/or "format".
      *
      * @param string|Zend_Locale|array|Zend_Config $options
      * @throws Zend_Validate_Exception On empty format
      */
     public function __construct($options = null)
     {
         if ($options instanceof Zend_Config) {
             $options = $options->toArray();
         }
 
         if (empty($options)) {
             // require_once 'Zend/Registry.php';
             if (Zend_Registry::isRegistered('Zend_Locale')) {
                 $this->setLocale(Zend_Registry::get('Zend_Locale'));
             }
         } elseif (is_array($options)) {
             // Received
             if (array_key_exists('locale', $options)) {
                 $this->setLocale($options['locale']);
             }
 
             if (array_key_exists('format', $options)) {
                 $this->setFormat($options['format']);
             }
         } elseif ($options instanceof Zend_Locale || is_string($options)) {
             // Received Locale object or string locale
             $this->setLocale($options);
         }
 
         $format = $this->getFormat();
         if (empty($format)) {
             // require_once 'Zend/Validate/Exception.php';
             throw new Zend_Validate_Exception("A postcode-format string has to be given for validation");
         }
     }
 
     /**
      * Returns the set locale
      *
      * @return string|Zend_Locale The set locale
      */
     public function getLocale()
     {
         return $this->_locale;
     }
 
     /**
      * Sets the locale to use
      *
      * @param string|Zend_Locale $locale
      * @throws Zend_Validate_Exception On unrecognised region
      * @throws Zend_Validate_Exception On not detected format
      * @return Zend_Validate_PostCode  Provides a fluent interface
      */
     public function setLocale($locale = null)
     {
         // require_once 'Zend/Locale.php';
         $this->_locale = Zend_Locale::findLocale($locale);
         $locale        = new Zend_Locale($this->_locale);
         $region        = $locale->getRegion();
         if (empty($region)) {
             // require_once 'Zend/Validate/Exception.php';
             throw new Zend_Validate_Exception("Unable to detect a region for the locale '$locale'");
         }
 
         $format = Zend_Locale::getTranslation(
             $locale->getRegion(),
             'postaltoterritory',
             $this->_locale
         );
 
         if (empty($format)) {
             // require_once 'Zend/Validate/Exception.php';
             throw new Zend_Validate_Exception("Unable to detect a postcode format for the region '{$locale->getRegion()}'");
         }
 
         $this->setFormat($format);
         return $this;
     }
 
     /**
      * Returns the set postal code format
      *
      * @return string
      */
     public function getFormat()
     {
         return $this->_format;
     }
 
     /**
      * Sets a self defined postal format as regex
      *
      * @param string $format
      * @throws Zend_Validate_Exception On empty format
      * @return Zend_Validate_PostCode  Provides a fluent interface
      */
     public function setFormat($format)
     {
         if (empty($format) || !is_string($format)) {
             // require_once 'Zend/Validate/Exception.php';
             throw new Zend_Validate_Exception("A postcode-format string has to be given for validation");
         }
 
         if ($format[0] !== '/') {
             $format = '/^' . $format;
         }
 
         if ($format[strlen($format) - 1] !== '/') {
             $format .= '$/';
         }
 
         $this->_format = $format;
         return $this;
     }
 
     /**
      * Defined by Zend_Validate_Interface
      *
      * Returns true if and only if $value is a valid postalcode
      *
      * @param  string $value
      * @return boolean
      */
     public function isValid($value)
     {
         $this->_setValue($value);
         if (!is_string($value) && !is_int($value)) {
             $this->_error(self::INVALID);
             return false;
         }
 
         $format = $this->getFormat();
         if (!preg_match($format, $value)) {
             $this->_error(self::NO_MATCH);
             return false;
         }
 
         return true;
     }
 }