Generate UUID Version 4 using PHP

ramsey/uuid library

1. Add ramsey/uuid library to composer.json file:

"require": {
    "ramsey/uuid": "^4.2"
}

2. Install library from the command line:

composer install

3. Generate UUID Version 4:

<?php

use Ramsey\Uuid\Uuid;

require_once __DIR__.'/vendor/autoload.php';

$uuidV4 = (string) Uuid::uuid4();
echo $uuidV4;