code quality

Author: dbarzin

app/Http/Controllers/ControlController.php

@@ -50,7 +50,7 @@ public function index(Request $request)
         $attributes = array_unique($attributes);
         */
         // get all clauses
-        $clauses = DB::table('measures')->select('clause')->get()->pluck("clause")->toArray();
+        $clauses = DB::table('measures')->select('clause')->get()->pluck('clause')->toArray();
 
         // get domain base on his title
         $domain_title = $request->get('domain_title');
@@ -104,7 +104,7 @@ public function index(Request $request)
         if ($clause !== null) {
             if ($clause === 'none') {
                 $request->session()->forget('clause');
-                $clause=null;
+                $clause = null;
             } else {
                 $request->session()->put('clause', $clause);
             }
@@ -205,7 +205,7 @@ public function index(Request $request)
 
         // Filter on clause
         if ($clause !== null) {
-            $controls = $controls->where('clause','=', $clause);
+            $controls = $controls->where('clause', '=', $clause);
         }
 
         // Filter on scope