Changeset 42434 for branches/4.9/src/wp-admin/includes/update-core.php

Timestamp:

01/10/2018 06:10:59 AM (7 years ago)

Author:

dd32

Message:

Upgrade: When deleting old files, if deletion fails attempt to empty the file instead.

Props joemcgill, dd32.
Merges [42433] to the 4.9 branch.
Fixes #42963 for 4.9.

Location:

branches/4.9

Files:

• . (modified) (1 prop)
• src/wp-admin/includes/update-core.php (modified) (1 diff)

branches/4.9/src/wp-admin/includes/update-core.php

@@ -1119 +1119 @@
         if ( !$wp_filesystem->exists($old_file) )
             continue;
-        $wp_filesystem->delete($old_file, true);
+
+        // If the file isn't deleted, try writing an empty string to the file instead.
+        if ( ! $wp_filesystem->delete( $old_file, true ) && $wp_filesystem->is_file( $old_file ) ) {
+            $wp_filesystem->put_contents( $old_file, '' );
+        }
     }