Initialize plugin parameters array to avoid unnecessary warning.
//);
$GLOBALS['config']['ENABLED_PLUGINS'] = array('qrcode');
-//$GLOBALS['plugins']['WALLABAG_URL'] = 'https://demo.wallabag.org/';
+// Initialize plugin parameters array.
+$GLOBALS['plugins'] = array();
// PubSubHubbub support. Put an empty string to disable, or put your hub url here to enable.
$GLOBALS['config']['PUBSUBHUB_URL'] = '';