Error install composer

[arisawali2014]

after composer require rocketslab/wa-laravel i got this error

Generating optimized autoload files
> Illuminate\Foundation\ComposerScripts::postAutoloadDump
> @php artisan package:discover --ansi

   ParseError 

  syntax error, unexpected '|', expecting ';' or '{'

  at C:\xampp\htdocs\walara\vendor\rocketslab\wa-laravel\src\WebSocket\WebSocketHandler.php:38     
     34▕ 
     35▕ //        \Log::info("MSG: " . $message->getPayload() . " - FROM: ". $connection->app->id);
     36▕     }
     37▕
  ➜  38▕     protected function establishConnection(ConnectionInterface $connection): WebSocketHandler|static
     39▕     {
     40▕         $connection->send(json_encode([
     41▕             'event' => 'wa:connection_established',
     42▕             'data' => [

  1   C:\xampp\htdocs\walara\vendor\composer\ClassLoader.php:322
      Composer\Autoload\includeFile("C:\xampp\htdocs\walara\vendor\composer/../rocketslab/wa-laravel/src/WebSocket/WebSocketHandler.php")

  2   [internal]:0
      Composer\Autoload\ClassLoader::loadClass("RocketsLab\WALaravel\WebSocket\WebSocketHandler")
Script @php artisan package:discover --ansi handling the post-autoload-dump event returned with error code 1

Installation failed, reverting ./composer.json and ./composer.lock to their original content.

[jjcodes78]

Hi, sorry for delay. What is your PHP version?

Try with PHP 8.0 +

Thanks for report, I will update the composer.json with PHP 8 minimum requirement.