127 lines
3.4 KiB
PHP
127 lines
3.4 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Float.php 17470 2009-08-08 22:27:09Z thomas $
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*/
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/**
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* @see Zend_Validate_Abstract
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*/
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require_once 'Zend/Validate/Abstract.php';
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/**
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* @see Zend_Locale_Format
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*/
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require_once 'Zend/Locale/Format.php';
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/**
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* @category Zend
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* @package Zend_Validate
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Validate_Float extends Zend_Validate_Abstract
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{
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const INVALID = 'floatInvalid';
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const NOT_FLOAT = 'notFloat';
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/**
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* @var array
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*/
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protected $_messageTemplates = array(
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self::INVALID => "Invalid type given, value should be float, string, or integer",
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self::NOT_FLOAT => "'%value%' does not appear to be a float"
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);
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protected $_locale;
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/**
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* Constructor for the float validator
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*
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* @param string|Zend_Locale $locale
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*/
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public function __construct($locale = null)
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{
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if ($locale !== null) {
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$this->setLocale($locale);
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}
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}
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/**
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* Returns the set locale
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*/
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public function getLocale()
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{
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return $this->_locale;
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}
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/**
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* Sets the locale to use
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*
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* @param string|Zend_Locale $locale
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*/
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public function setLocale($locale = null)
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{
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require_once 'Zend/Locale.php';
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$this->_locale = Zend_Locale::findLocale($locale);
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return $this;
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}
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/**
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* Defined by Zend_Validate_Interface
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*
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* Returns true if and only if $value is a floating-point value
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*
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* @param string $value
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* @return boolean
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*/
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public function isValid($value)
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{
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if (!is_string($value) && !is_int($value) && !is_float($value)) {
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$this->_error(self::INVALID);
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return false;
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}
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$this->_setValue($value);
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if ($this->_locale === null) {
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$locale = localeconv();
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$valueFiltered = str_replace($locale['thousands_sep'], '', (string) $value);
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$valueFiltered = str_replace($locale['decimal_point'], '.', $valueFiltered);
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if (strval(floatval($valueFiltered)) != $valueFiltered) {
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$this->_error(self::NOT_FLOAT);
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return false;
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}
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} else {
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try {
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if (!Zend_Locale_Format::isFloat($value, array('locale' => 'en')) &&
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!Zend_Locale_Format::isFloat($value, array('locale' => $this->_locale))) {
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$this->_error(self::NOT_FLOAT);
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return false;
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}
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} catch (Zend_Locale_Exception $e) {
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$this->_error(self::NOT_FLOAT);
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return false;
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}
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}
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return true;
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}
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}
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