82 Zeilen
2,3 KiB
PHP
82 Zeilen
2,3 KiB
PHP
<?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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* @subpackage Sitemap
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* @copyright Copyright (c) 2005-2011 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 $Id$
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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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* Validates whether a given value is valid as a sitemap <priority> value
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*
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* @link http://www.sitemaps.org/protocol.php Sitemaps XML format
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*
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* @category Zend
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* @package Zend_Validate
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* @subpackage Sitemap
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* @copyright Copyright (c) 2005-2011 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_Sitemap_Priority extends Zend_Validate_Abstract
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{
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/**
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* Validation key for not valid
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*
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*/
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const NOT_VALID = 'sitemapPriorityNotValid';
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const INVALID = 'sitemapPriorityInvalid';
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/**
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* Validation failure message template definitions
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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::NOT_VALID => "'%value%' is no valid sitemap priority",
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self::INVALID => "Invalid type given. Numeric string, integer or float expected",
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);
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/**
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* Validates if a string is valid as a sitemap priority
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*
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* @link http://www.sitemaps.org/protocol.php#prioritydef <priority>
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*
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* @param string $value value to validate
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* @return boolean
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*/
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public function isValid($value)
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{
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if (!is_numeric($value)) {
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$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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$value = (float) $value;
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if ($value < 0 || $value > 1) {
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$this->_error(self::NOT_VALID);
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return false;
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}
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return true;
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}
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}
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