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   1  <?php
   2  /**
   3   * Zend Framework
   4   *
   5   * LICENSE
   6   *
   7   * This source file is subject to the new BSD license that is bundled
   8   * with this package in the file LICENSE.txt.
   9   * It is also available through the world-wide-web at this URL:
  10   * http://framework.zend.com/license/new-bsd
  11   * If you did not receive a copy of the license and are unable to
  12   * obtain it through the world-wide-web, please send an email
  13   * to [email protected] so we can send you a copy immediately.
  14   *
  15   * @category   Zend
  16   * @package    Zend_Validate
  17   * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  18   * @license    http://framework.zend.com/license/new-bsd     New BSD License
  19   * @version    $Id$
  20   */
  21  
  22  /**
  23   * @see Zend_Validate_Abstract
  24   */
  25  require_once 'Zend/Validate/Abstract.php';
  26  
  27  /**
  28   * @see Zend_Locale_Format
  29   */
  30  require_once 'Zend/Locale/Format.php';
  31  
  32  /**
  33   * @category   Zend
  34   * @package    Zend_Validate
  35   * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  36   * @license    http://framework.zend.com/license/new-bsd     New BSD License
  37   */
  38  class Zend_Validate_Int extends Zend_Validate_Abstract
  39  {
  40      const INVALID = 'intInvalid';
  41      const NOT_INT = 'notInt';
  42  
  43      /**
  44       * @var array
  45       */
  46      protected $_messageTemplates = array(
  47          self::INVALID => "Invalid type given, value should be string or integer",
  48          self::NOT_INT => "'%value%' does not appear to be an integer",
  49      );
  50  
  51      protected $_locale;
  52  
  53      /**
  54       * Constructor for the integer validator
  55       *
  56       * @param string|Zend_Config|Zend_Locale $locale
  57       */
  58      public function __construct($locale = null)
  59      {
  60          if ($locale instanceof Zend_Config) {
  61              $locale = $locale->toArray();
  62          }
  63  
  64          if (is_array($locale)) {
  65              if (array_key_exists('locale', $locale)) {
  66                  $locale = $locale['locale'];
  67              } else {
  68                  $locale = null;
  69              }
  70          }
  71  
  72          if (empty($locale)) {
  73              require_once 'Zend/Registry.php';
  74              if (Zend_Registry::isRegistered('Zend_Locale')) {
  75                  $locale = Zend_Registry::get('Zend_Locale');
  76              }
  77          }
  78  
  79          if ($locale !== null) {
  80              $this->setLocale($locale);
  81          }
  82      }
  83  
  84      /**
  85       * Returns the set locale
  86       */
  87      public function getLocale()
  88      {
  89          return $this->_locale;
  90      }
  91  
  92      /**
  93       * Sets the locale to use
  94       *
  95       * @param string|Zend_Locale $locale
  96       */
  97      public function setLocale($locale = null)
  98      {
  99          require_once 'Zend/Locale.php';
 100          $this->_locale = Zend_Locale::findLocale($locale);
 101          return $this;
 102      }
 103  
 104      /**
 105       * Defined by Zend_Validate_Interface
 106       *
 107       * Returns true if and only if $value is a valid integer
 108       *
 109       * @param  string|integer $value
 110       * @return boolean
 111       */
 112      public function isValid($value)
 113      {
 114          if (!is_string($value) && !is_int($value) && !is_float($value)) {
 115              $this->_error(self::INVALID);
 116              return false;
 117          }
 118  
 119          if (is_int($value)) {
 120              return true;
 121          }
 122  
 123          $this->_setValue($value);
 124          if ($this->_locale === null) {
 125              $locale        = localeconv();
 126              $valueFiltered = str_replace($locale['decimal_point'], '.', $value);
 127              $valueFiltered = str_replace($locale['thousands_sep'], '', $valueFiltered);
 128  
 129              if (strval(intval($valueFiltered)) != $valueFiltered) {
 130                  $this->_error(self::NOT_INT);
 131                  return false;
 132              }
 133  
 134          } else {
 135              try {
 136                  if (!Zend_Locale_Format::isInteger($value, array('locale' => $this->_locale))) {
 137                      $this->_error(self::NOT_INT);
 138                      return false;
 139                  }
 140              } catch (Zend_Locale_Exception $e) {
 141                  $this->_error(self::NOT_INT);
 142                  return false;
 143              }
 144          }
 145  
 146          return true;
 147      }
 148  }