CODE EXAMPLE FOR PHP

AuthController

namespace AppHttpControllers;

use IlluminateSupportFacadesAuth;
use IlluminateHttpRequest;
use AppModelsUser;
use IlluminateSupportFacadesHash;

class AuthController extends Controller
{
   //-----------------------------register users ---------------------------------
   public function register(Request $request)
   {
       $password = password_hash($request->password, PASSWORD_DEFAULT);
       $users_count= User::where('username',$request->username)->get();
       $email_count= User::where('email',$request->email)->get();

       $credentials = request(['username', 'password']);
       dd(auth()->attempt($credentials));
       
       if(count($users_count)>0){
           $data = [
               'status' => 'username found',
           ];
       }
       else {
           if (count($email_count)>0){
               $data = [
                   'status' => 'email is found',
               ];
           }
           else {
               $user = User::create(
                   [
                       'username'=>$request->username,
                       'password'=>$password,
                       'email'=>$request->email,
                       'fullname'=>$request->fullname,
                       'natId'=>$request->nat_id,
                       'role'=>'user'
                   ]);

               if($user){
                   $credentials = request(['username', 'password']);

                   if (! $token = auth()->attempt($credentials)) {
                       return response()->json(['error' => 'Unauthorized'], 401);
                   }
                   else{
                   $data = [
                       'username'=>$request->username,
                       'password'=>$password,
                       'email'=>$request->email,
                       'fullname'=>$request->fullname,
                       'natId'=>$request->nat_id,
                       'status' => 'success',
                       'token' => $token
                   ];}
               }
               else{
                   $data = [
                       'status' => 'failed',
                   ];
               } 
           }
       }
       return $data;  
   }
}