get database

app/Http/Controllers/Controller.php

 
     public function getDatabase(Request $request)
     {
-        $subscriber = Subscriber::groupBy('city')->get();
-
-        $city = array();
-        
-        foreach ($subscriber as $key => $s) {
-            # code...
-            array_push($city, array(
-                'city' => $s->city
-            ));
-        }
-        
-        return $city;
+        $subscriber = Subscriber::where('city',$request->city)->get();
+
+        return $subscriber;
+
     }
 }