Minor - format code

main/exercise/MatchingDraggable.php

@@ -1,4 +1,5 @@
 <?php
+
 /* For licensing terms, see /license.txt */
 
 /**

main/exercise/exercise_show.php

@@ -972,7 +972,7 @@ if ($isFeedbackAllowed) {
     }
 }
 
-if ($isFeedbackAllowed && $origin != 'learnpath' && $origin != 'student_progress') {
+if ($isFeedbackAllowed && $origin !== 'learnpath' && $origin !== 'student_progress') {
     if (in_array($origin, ['tracking_course', 'user_course', 'correct_exercise_in_lp'])) {
         $formUrl = api_get_path(WEB_CODE_PATH).'exercise/exercise_report.php?'.api_get_cidreq().'&';
         $formUrl .= http_build_query([

main/exercise/question.class.php

@@ -169,6 +169,7 @@ abstract class Question
                 $objQuestion->feedback = isset($object->feedback) ? $object->feedback : '';
                 $objQuestion->code = isset($object->code) ? $object->code : '';
                 $categoryInfo = TestCategory::getCategoryInfoForQuestion($id, $course_id);
+
                 if (!empty($categoryInfo)) {
                     if (isset($categoryInfo['category_id'])) {
                         $objQuestion->category = (int) $categoryInfo['category_id'];

main/survey/fillsurvey.php

@@ -655,7 +655,7 @@ if (isset($_POST['finish_survey'])) {
     );
 
     if ($courseInfo && !api_is_anonymous()) {
-        echo '<br />';
+        echo '<br /><br />';
         echo Display::toolbarButton(
             get_lang('ReturnToCourseHomepage'),
             api_get_course_url($courseInfo['code']),