Improve duplicate code performance

main/exercise/admin.php

@@ -252,7 +252,7 @@ if (!empty($clone_question) && !empty($objExercise->id)) {
     $new_answer_obj->duplicate($new_question_obj);
 
     // Reloading tne $objExercise obj
-    $objExercise->read($objExercise->id);
+    $objExercise->read($objExercise->id, false);
 
     header('Location: admin.php?'.api_get_cidreq().'&exerciseId='.$objExercise->id.'&page='.$page);
     exit;

main/exercise/question.class.php

@@ -1261,9 +1261,9 @@ abstract class Question
         // checks if the exercise ID is not in the list
         if (!in_array($exerciseId, $this->exerciseList)) {
             $this->exerciseList[] = $exerciseId;
-            $new_exercise = new Exercise();
-            $new_exercise->read($exerciseId);
-            $count = $new_exercise->selectNbrQuestions();
+            $newExercise = new Exercise();
+            $newExercise->read($exerciseId, false);
+            $count = $newExercise->getQuestionCount();
             $count++;
             $sql = "INSERT INTO $exerciseRelQuestionTable (c_id, question_id, exercice_id, question_order)
                     VALUES ({$this->course['real_id']}, ".intval($id).", ".intval($exerciseId).", '$count')";