Minor - use int casting

main/auth/courses_controller.php

@@ -735,7 +735,7 @@ class CoursesController
     public function sessionListBySearch(array $limit)
     {
         $q = isset($_REQUEST['q']) ? Security::remove_XSS($_REQUEST['q']) : null;
-        $hiddenLinks = isset($_GET['hidden_links']) ? intval($_GET['hidden_links']) == 1 : false;
+        $hiddenLinks = isset($_GET['hidden_links']) ? (int) $_GET['hidden_links'] == 1 : false;
         $courseUrl = CourseCategory::getCourseCategoryUrl(
             1,
             $limit['length'],
@@ -751,7 +751,7 @@ class CoursesController
         $tpl = new Template();
         $tpl->assign('show_courses', CoursesAndSessionsCatalog::showCourses());
         $tpl->assign('show_sessions', CoursesAndSessionsCatalog::showSessions());
-        $tpl->assign('show_tutor', (api_get_setting('show_session_coach') === 'true' ? true : false));
+        $tpl->assign('show_tutor', api_get_setting('show_session_coach') === 'true' ? true : false);
         $tpl->assign('course_url', $courseUrl);
         $tpl->assign('already_subscribed_label', $this->getAlreadyRegisteredInSessionLabel());
         $tpl->assign('hidden_links', $hiddenLinks);
@@ -770,8 +770,8 @@ class CoursesController
      */
     public static function getLimitArray()
     {
-        $pageCurrent = isset($_REQUEST['pageCurrent']) ? intval($_GET['pageCurrent']) : 1;
-        $pageLength = isset($_REQUEST['pageLength']) ? intval($_GET['pageLength']) : CoursesAndSessionsCatalog::PAGE_LENGTH;
+        $pageCurrent = isset($_REQUEST['pageCurrent']) ? (int) $_GET['pageCurrent'] : 1;
+        $pageLength = isset($_REQUEST['pageLength']) ? (int) $_GET['pageLength'] : CoursesAndSessionsCatalog::PAGE_LENGTH;
 
         return [
             'start' => ($pageCurrent - 1) * $pageLength,