get staff with null api_token

app/Http/Controllers/Controller.php

 
     public function getDatabase(Request $request)
     {
-        $subscriber = Subscriber::where('state','PERAK')->get();
-
-        foreach ($subscriber as $key => $cust) {
-            # code...
-            $form_submitted = Form::where('_id',$cust->_id)->first();
-            if(!empty($form_submitted)){
-                $form_submitted->project_type = "NFCP";
-                $form_submitted->save();
-            }
-        
-            $work_order = WorkOrder::where('_id',$cust->_id)->first();
-            if(!empty($work_order)){
-                $claim = DealerClaim::where('wo',$work_order->wo)->first();
-                if(!empty($claim)){
-                    $claim->projectT = "NFCP";
-                    $claim->save();
-                }
-            }
-        }
+        $staff = Staff::where('api_token', '')->where('roles_access', 'Installer')->get();
+    
+        return $staff;
     }
 }