Ticket #49239: import.php.patch

import.php

@@ -42 +42 @@
 // Detect and redirect invalid importers like 'movabletype', which is registered as 'mt'
 if ( ! empty( $_GET['invalid'] ) && isset( $popular_importers[ $_GET['invalid'] ] ) ) {
         $importer_id = $popular_importers[ $_GET['invalid'] ]['importer-id'];
-        if ( $importer_id != $_GET['invalid'] ) { // Prevent redirect loops.
+        if ( $importer_id !== $_GET['invalid'] ) { // Prevent redirect loops.
                 wp_redirect( admin_url( 'admin.php?import=' . $importer_id ) );
                 exit;
         }