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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) 2005-2014 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) 2005-2014 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 INVALID = 'floatInvalid';
const NOT_FLOAT = 'notFloat';
/**
* @var array
*/
protected $_messageTemplates = array(
self::INVALID => "Invalid type given. String, integer or float expected",
self::NOT_FLOAT => "'%value%' does not appear to be a float",
);
protected $_locale;
/**
* Constructor for the float validator
*
* @param string|Zend_Config|Zend_Locale $locale
*/
public function __construct($locale = null)
{
if ($locale instanceof Zend_Config) {
$locale = $locale->toArray();
}
if (is_array($locale)) {
if (array_key_exists('locale', $locale)) {
$locale = $locale['locale'];
} else {
$locale = null;
}
}
if (empty($locale)) {
require_once 'Zend/Registry.php';
if (Zend_Registry::isRegistered('Zend_Locale')) {
$locale = Zend_Registry::get('Zend_Locale');
}
}
$this->setLocale($locale);
}
/**
* Returns the set locale
*/
public function getLocale()
{
return $this->_locale;
}
/**
* Sets the locale to use
*
* @param string|Zend_Locale $locale
*/
public function setLocale($locale = null)
{
require_once 'Zend/Locale.php';
$this->_locale = Zend_Locale::findLocale($locale);
return $this;
}
/**
* 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)
{
if (!is_string($value) && !is_int($value) && !is_float($value)) {
$this->_error(self::INVALID);
return false;
}
if (is_float($value)) {
return true;
}
$this->_setValue($value);
try {
if (!Zend_Locale_Format::isFloat($value, array('locale' => $this->_locale))) {
$this->_error(self::NOT_FLOAT);
return false;
}
} catch (Zend_Locale_Exception $e) {
$this->_error(self::NOT_FLOAT);
return false;
}
return true;
}
}
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