<?php
/**
* @see https://github.com/laminas/laminas-validator for the canonical source repository
* @copyright https://github.com/laminas/laminas-validator/blob/master/COPYRIGHT.md
* @license https://github.com/laminas/laminas-validator/blob/master/LICENSE.md New BSD License
*/
namespace Laminas\Validator;
/**
* Uuid validator.
*/
final class Uuid extends AbstractValidator
{
/**
* Matches Uuid's versions 1 to 5.
*/
const REGEX_UUID = '/^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}$/';
const INVALID = 'valueNotUuid';
const NOT_STRING = 'valueNotString';
/**
* @var array
*/
protected $messageTemplates = [
self::NOT_STRING => 'Invalid type given; string expected',
self::INVALID => 'Invalid UUID format',
];
/**
* Returns true if and only if $value meets the validation requirements.
*
* If $value fails validation, then this method returns false, and
* getMessages() will return an array of messages that explain why the
* validation failed.
*
* @param mixed $value
*
* @return bool
*
* @throws Exception\RuntimeException If validation of $value is impossible
*/
public function isValid($value)
{
if (! is_string($value)) {
$this->error(self::NOT_STRING);
return false;
}
$this->setValue($value);
if (empty($value)
|| $value !== '00000000-0000-0000-0000-000000000000'
&& ! preg_match(self::REGEX_UUID, $value)
) {
$this->error(self::INVALID);
return false;
}
return true;
}
}