Minor - format code.

main/exercice/exercise_report.php

@@ -136,7 +136,9 @@ if (!empty($_REQUEST['export_report']) && $_REQUEST['export_report'] == '1') {
 //Send student email @todo move this code in a class, library
 if (isset($_REQUEST['comments']) &&
     $_REQUEST['comments'] == 'update' &&
-    ($is_allowedToEdit || $is_tutor) && $_GET['exeid'] == strval(intval($_GET['exeid']))) {
+    ($is_allowedToEdit || $is_tutor) &&
+    $_GET['exeid'] == strval(intval($_GET['exeid']))
+) {
     $id = intval($_GET['exeid']); //filtered by post-condition
     $track_exercise_info = get_exercise_track_exercise_info($id);
     if (empty($track_exercise_info)) {

main/inc/lib/events.lib.inc.php

@@ -1486,11 +1486,11 @@ function get_all_exercises_from_lp($lp_id, $course_id)
  *
  * @param int $id
  * @param int $question_id
- * @return str the comment
+ * @return string the comment
  */
 function get_comments($exe_id, $question_id)
 {
-    $table_track_attempt   = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
+    $table_track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
     $sql = "SELECT teacher_comment
             FROM ".$table_track_attempt."
             WHERE exe_id='".Database::escape_string($exe_id)."' AND question_id = '".Database::escape_string($question_id)."'