Replace deprecated functions

main/inc/lib/fileUpload.lib.php

@@ -1162,7 +1162,7 @@ function filter_extension(&$filename)
             return 1;
         }
     } else {
-        $extensions = split(';', strtolower(api_get_setting('upload_extensions_whitelist')));
+        $extensions = explode(';', strtolower(api_get_setting('upload_extensions_whitelist')));
         $skip = api_get_setting('upload_extensions_skip');
         $ext = strrchr($filename, '.');
         $ext = substr($ext, 1);
@@ -1336,7 +1336,7 @@ function item_property_update_on_folder($_course, $path, $user_id)
  * @return	The directory depth
  */
 function get_levels($filename) {
-    $levels=explode('/', $filename);
+    $levels = explode('/', $filename);
     if (empty($levels[count($levels) - 1])) {
         unset($levels[count($levels) - 1]);
     }
@@ -1353,7 +1353,7 @@ function get_levels($filename) {
  */
 function set_default_settings($upload_path, $filename, $filetype = 'file')
 {
-    global $dbTable,$_configuration;
+    $dbTable = Database::get_course_table(TABLE_DOCUMENT);
     global $default_visibility;
 
     if (!$default_visibility) {