more changes before refactoring

BackEnd/src/controller/UserController.class.php

@@ -19,17 +19,19 @@ class UserController extends Controller
     */
     public function processRequest()
     {
-        switch ($this->request->getHttpMethod()) {
+        $httpMethod=$this->request->getHttpMethod();
+        $uriParams=$this->request->getUriParams();
+
+        switch($httpMethod) {
             case 'GET':
-                if ($this->request->getUriParams()) {
-                    return $this->getUser($this->request->getUriParams()[0]);
+                if ($uriParams) {
+                    return $this->getUser($uriParams[0]);
                 }
-
                 return $this->getAllUsers();
                 break;
             case 'PUT':
-                if ($this->request->getUriParams()) {
-                    return $this->updateUser(array_merge($this->request->getData(), ['id'=>$this->request->getUriParams()[0]]));
+                if ($uriParams) {
+                    return $this->updateUser(array_merge($this->request->getData(), ['id'=>$uriParams[0]]));
                 }
                 break;
         }