89 Zeilen
2,5 KiB
PHP
89 Zeilen
2,5 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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* @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 <lastmod> 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_Lastmod extends Zend_Validate_Abstract
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{
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/**
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* Regular expression to use when validating
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*
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*/
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const LASTMOD_REGEX = '/^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])(T([0-1][0-9]|2[0-3])(:[0-5][0-9])(:[0-5][0-9])?(\\+|-)([0-1][0-9]|2[0-3]):[0-5][0-9])?$/';
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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 = 'sitemapLastmodNotValid';
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const INVALID = 'sitemapLastmodInvalid';
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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 lastmod",
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self::INVALID => "Invalid type given. String expected",
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);
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/**
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* Validates if a string is valid as a sitemap lastmod
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*
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* @link http://www.sitemaps.org/protocol.php#lastmoddef <lastmod>
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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_string($value)) {
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$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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$result = @preg_match(self::LASTMOD_REGEX, $value);
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if ($result != 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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