library/Zend/Validate/Int.php

   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 license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category   Zend
  16  * @package    Zend_Validate
  17  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  18  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  19  * @version    $Id: Int.php 17470 2009-08-08 22:27:09Z thomas $
  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) 2005-2009 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 a string or a 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_Locale $locale
  57      */
  58     public function __construct($locale = null)
  59     {
  60         if ($locale !== null) {
  61             $this->setLocale($locale);
  62         }
  63     }
  64
  65     /**
  66      * Returns the set locale
  67      */
  68     public function getLocale()
  69     {
  70         return $this->_locale;
  71     }
  72
  73     /**
  74      * Sets the locale to use
  75      *
  76      * @param string|Zend_Locale $locale
  77      */
  78     public function setLocale($locale = null)
  79     {
  80         require_once 'Zend/Locale.php';
  81         $this->_locale = Zend_Locale::findLocale($locale);
  82         return $this;
  83     }
  84
  85     /**
  86      * Defined by Zend_Validate_Interface
  87      *
  88      * Returns true if and only if $value is a valid integer
  89      *
  90      * @param  string|integer $value
  91      * @return boolean
  92      */
  93     public function isValid($value)
  94     {
  95         if (!is_string($value) && !is_int($value) && !is_float($value)) {
  96             $this->_error(self::INVALID);
  97             return false;
  98         }
  99
 100         $this->_setValue($value);
 101         if ($this->_locale === null) {
 102             $locale        = localeconv();
 103             $valueFiltered = str_replace($locale['decimal_point'], '.', $value);
 104             $valueFiltered = str_replace($locale['thousands_sep'], '', $valueFiltered);
 105
 106             if (strval(intval($valueFiltered)) != $valueFiltered) {
 107                 $this->_error(self::NOT_INT);
 108                 return false;
 109             }
 110
 111         } else {
 112             try {
 113                 if (!Zend_Locale_Format::isInteger($value, array('locale' => 'en')) &&
 114                     !Zend_Locale_Format::isInteger($value, array('locale' => $this->_locale))) {
 115                     $this->_error(self::NOT_INT);
 116                     return false;
 117                 }
 118             } catch (Zend_Locale_Exception $e) {
 119                 $this->_error(self::NOT_INT);
 120                 return false;
 121             }
 122         }
 123
 124         return true;
 125     }
 126 }