minor

backend/questions/question_save.php

@@ -33,8 +33,7 @@ if(isset($postData) && !empty($postData)){
         echo json_encode($msg);
     }
     else{
-        $msg = "question already exists";
-        echo json_encode($msg);
+        http_response_code(404);
     }
 
 }

backend/update_correct.php

@@ -12,7 +12,7 @@ $postData = file_get_contents("php://input");
 if (isset($postData) && !empty($postData)) {
   $request = json_decode($postData,true);
   $username = mysqli_real_escape_string($mysqli, trim($request->username));
-  $bool = trim($request->)
+  $bool = trim($request->b);
   $sql0 = "UPDATE users set n_attempts = n_attempts+1 where username = '$username'";
   mysqli_query($mysqli,$sql0);
   if($bool){