Viewing file:  Priority.php (1.61 KB) -rwxrwxr-x
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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Validator\Sitemap;
use Zend\Validator\AbstractValidator;
/**
* Validates whether a given value is valid as a sitemap <priority> value
*
* @link http://www.sitemaps.org/protocol.php Sitemaps XML format
*/
class Priority extends AbstractValidator
{
/**
* Validation key for not valid
*
*/
const NOT_VALID = 'sitemapPriorityNotValid';
const INVALID = 'sitemapPriorityInvalid';
/**
* Validation failure message template definitions
*
* @var array
*/
protected $messageTemplates = array(
self::NOT_VALID => "The input is not a valid sitemap priority",
self::INVALID => "Invalid type given. Numeric string, integer or float expected",
);
/**
* Validates if a string is valid as a sitemap priority
*
* @link http://www.sitemaps.org/protocol.php#prioritydef <priority>
*
* @param string $value value to validate
* @return bool
*/
public function isValid($value)
{
if (!is_numeric($value)) {
$this->error(self::INVALID);
return false;
}
$this->setValue($value);
$value = (float) $value;
if ($value < 0 || $value > 1) {
$this->error(self::NOT_VALID);
return false;
}
return true;
}
}
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