get all wo with null status

app/Http/Controllers/Controller.php

@@ -149,9 +149,7 @@ class Controller extends BaseController
 
     public function getDatabase()
     {
-        $wo = WorkOrder::where('wo','WO-15141')->first();
-        $wo->status = "Pending Contractor";
-        $wo->save();
+        $wo = WorkOrder::where('status','')->get();
 
         return $wo;
     }