Ticket #43546: 43546.patch

src/wp-includes/functions.php

@@ -6307 +6307 @@
                 $file_age_in_seconds = time() - filemtime( $export_file );
 
                 if ( $expiration < $file_age_in_seconds ) {
-                        unlink( $export_file );
+                        wp_delete_file( $export_file );
                 }
         }
 }