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Filename : UuidGenerator.php

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<?php
namespace App\Libs\Sdk\Communication;

/**
 * Class UuidGenerator
 * Generator class for v4 UUID's
 *
 * @package OnlinePayments\Sdk\Communication
 */
class UuidGenerator
{
    private function __construct()
    {
    }

    /** @return string */
    public static function generatedUuid(): string
    {
        return sprintf(
            '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
            mt_rand(0, 0xffff),
            mt_rand(0, 0xffff),
            mt_rand(0, 0xffff),
            mt_rand(0, 0x0fff) | 0x4000,
            mt_rand(0, 0x3fff) | 0x8000,
            mt_rand(0, 0xffff),
            mt_rand(0, 0xffff),
            mt_rand(0, 0xffff)
        );
    }
}