<?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 [email protected] so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Float.php 8714 2008-03-09 20:03:45Z thomas $
*/
/**
* @see Zend_Validate_Abstract
*/
require_once 'Zend/Validate/Abstract.php';
/**
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Validate_Float extends Zend_Validate_Abstract
{
const NOT_FLOAT = 'notFloat';
/**
* @var array
*/
protected $_messageTemplates = array(
self::NOT_FLOAT => "'%value%' does not appear to be a float"
);
/**
* Defined by Zend_Validate_Interface
*
* Returns true if and only if $value is a floating-point value
*
* @param string $value
* @return boolean
*/
public function isValid($value)
{
$valueString = (string) $value;
$this->_setValue($valueString);
$locale = localeconv();
$valueFiltered = str_replace($locale['thousands_sep'], '', $valueString);
$valueFiltered = str_replace($locale['decimal_point'], '.', $valueFiltered);
if (strval(floatval($valueFiltered)) != $valueFiltered) {
$this->_error();
return false;
}
return true;
}
}