Add sefeguard agains null

diff --git a/adminer/include/auth.inc.php b/adminer/include/auth.inc.php
index c208a94d0c45f6af421c25ec5a3c71711587b239..ef2d7dc32b7253b0301755a732c8a250ead52428 100644 (file)
--- a/adminer/include/auth.inc.php
+++ b/adminer/include/auth.inc.php
@@ -137,7 +137,7 @@ if (isset($_GET["username"])) {
        $connection = connect();
 }
 
-if (is_string($connection) || !$adminer->login($_GET["username"], get_password())) {
+if (!is_object($connection) || !$adminer->login($_GET["username"], get_password())) {
        auth_error();
        exit;
 }