Minor - format code

main/document/document.php

@@ -455,7 +455,7 @@ switch ($action) {
                 if (!isset($_GET['copy'])) {
                     Display::addFlash(Display::return_message($message, 'warning', false));
                 }
-                if ($_GET['copy'] === 'yes') {
+                if (isset($_GET['copy']) && $_GET['copy'] === 'yes') {
                     if (!copy($file, $copyfile)) {
                         Display::addFlash(Display::return_message(get_lang('CopyFailed'), 'error'));
                     } else {

main/inc/lib/tracking.lib.php

@@ -1907,9 +1907,9 @@ class Tracking
         $courseId = intval($courseId);
         $session_id = intval($session_id);
         $count = 0;
-        $tbl_track_e_course_access = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
+        $table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
         $sql = "SELECT count(*) as count_connections
-                FROM $tbl_track_e_course_access
+                FROM $table
                 WHERE
                     c_id = $courseId AND
                     session_id = $session_id