Minor - fixing php notice

12 years ago · 66a650d563
parent cae3b1e818
commit 66a650d563
1 changed files with 1 additions and 1 deletions
--- a/main/document/show_content.php
+++ b/main/document/show_content.php
@ -17,7 +17,7 @@ require_once '../inc/global.inc.php';
 api_protect_course_script();

 $noPHP_SELF = true;
-$header_file = Security::remove_XSS($_GET['file']);
+$header_file = isset($_GET['file']) ? Security::remove_XSS($_GET['file']) : null;
 $document_id = intval($_GET['id']);

 $course_info = api_get_course_info();