Print responses and categories into Admin Page without CSS

Source/API/script/Gateway/GatewayForm.php

@@ -55,7 +55,7 @@ class GatewayForm
         $query = "SELECT * FROM Form";
         $this->connection->executeQuery($query);
 
-        var_dump($this->connection->getResults());
+        return $this->connection->getResults();
     }
 
     /**

Source/API/script/Gateway/GatewayListResponseOfCandidate.php

@@ -78,7 +78,7 @@ class GatewayListResponseOfCandidate
             $query = "INSERT INTO Submit (responsesCandidate, response) VALUES(:responsesCandidate, :response)";
             $this->connection->executeQuery($query, array(
                 ':responsesCandidate' => array($idListQuestion, PDO::PARAM_STR),
-                'response' => array($idResponse, PDO::PARAM_STR)
+                ':response' => array($idResponse, PDO::PARAM_STR)
             ));
         }
     }

Source/Controller/ControllerAdmin.php

@@ -95,6 +95,8 @@ class ControllerAdmin
         $questions = (new ModelAdmin())->getQuestions();
         $responsesCandidate = (new ModelAdmin())->getResponsesCandidate();
 
+        var_dump($responsesCandidate);
+
         global $rep, $views;
         require_once($rep.$views['admin']);
     }