Unique ID generator using openssl
composer require advancedideasmechanics/unique-id-generator
require('./vendor/autoload.php');
use Advancedideasmechanics\Uniqueisgenerator\UniqueidService;
$uniqueIdService = new UniqueidService();
$uniqueId = $uniqueIdService->getId(16);
This will return an alphanumeric id. Minimum of 16 characters.