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Filename : Validator.php
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<?php

/**
 * This file is part of the ramsey/uuid library
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
 * @license http://opensource.org/licenses/MIT MIT
 */
declare (strict_types=1);
namespace WPToolkitDependenciesIsolationPrefix\Ramsey\Uuid\Rfc4122;

use WPToolkitDependenciesIsolationPrefix\Ramsey\Uuid\Uuid;
use WPToolkitDependenciesIsolationPrefix\Ramsey\Uuid\Validator\ValidatorInterface;
use function preg_match;
use function str_replace;
/**
 * Rfc4122\Validator validates strings as UUIDs of the RFC 4122 variant
 *
 * @psalm-immutable
 */
final class Validator implements ValidatorInterface
{
    private const VALID_PATTERN = '\\A[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-' . '[1-8][0-9A-Fa-f]{3}-[ABab89][0-9A-Fa-f]{3}-[0-9A-Fa-f]{12}\\z';
    /**
     * @psalm-return non-empty-string
     * @psalm-suppress MoreSpecificReturnType we know that the retrieved `string` is never empty
     * @psalm-suppress LessSpecificReturnStatement we know that the retrieved `string` is never empty
     */
    public function getPattern() : string
    {
        return self::VALID_PATTERN;
    }
    public function validate(string $uuid) : bool
    {
        $uuid = str_replace(['urn:', 'uuid:', 'URN:', 'UUID:', '{', '}'], '', $uuid);
        $uuid = \strtolower($uuid);
        return $uuid === Uuid::NIL || $uuid === Uuid::MAX || preg_match('/' . self::VALID_PATTERN . '/Dms', $uuid);
    }
}