Minor - cosmetic changes

plugin/search_course/lib/register_course_widget.class.php

@@ -62,29 +62,27 @@ class RegisterCourseWidget
     function action_subscribe_user()
     {
         $action = self::get('action');
-        if ($action != self::ACTION_SUBSCRIBE)
+        if ($action != self::ACTION_SUBSCRIBE) {
-        {
             return false;
         }
 
         $course_code = self::post(self::PARAM_SUBSCRIBE);
-        if (empty($course_code))
+        if (empty($course_code)) {
-        {
             return false;
         }
 
         $registration_code = self::post(self::PARAM_PASSCODE);
 
-        if ($this->subscribe_user($course_code, $registration_code))
+        if ($this->subscribe_user($course_code, $registration_code)) {
-        {
             Display::display_confirmation_message(get_lang('EnrollToCourseSuccessful'));
+
             return;
         }
-        if (!empty($registration_code))
+        if (!empty($registration_code)) {
-        {
             Display::display_error_message(get_lang('CourseRegistrationCodeIncorrect'));
         }
         $this->display_form($course_code);
+
         return true;
     }
 
@@ -101,13 +99,11 @@ class RegisterCourseWidget
     {
         $course                  = $this->retrieve_course($course_code);
         $course_regisration_code = $course['registration_code'];
-        if (!empty($course_regisration_code) && $registration_code != $course_regisration_code)
+        if (!empty($course_regisration_code) && $registration_code != $course_regisration_code) {
-        {
             return false;
         }
 
-        if (empty($user_id))
+        if (empty($user_id)) {
-        {
             global $_user;
             $user_id = $_user['user_id'];
         }