Manually apply PR #1594 (fixing phpdoc page-level generation/warnings)
Also partially fixes issue #1295, fixes inconsistencies in some page-level docblocks and adds include checks in language files.
diff --git a/system/language/english/upload_lang.php b/system/language/english/upload_lang.php
index d70e7f2..88f9ac3 100644
--- a/system/language/english/upload_lang.php
+++ b/system/language/english/upload_lang.php
@@ -24,6 +24,7 @@
* @since Version 1.0
* @filesource
*/
+defined('BASEPATH') OR exit('No direct script access allowed');
$lang['upload_userfile_not_set'] = 'Unable to find a post variable called userfile.';
$lang['upload_file_exceeds_limit'] = 'The uploaded file exceeds the maximum allowed size in your PHP configuration file.';