A PHP Error was encountered

Severity: Notice

Message: Undefined variable: songtitle

    public function index() {

            require APPPATH . 'vendor/Shoutcastv2.php';

            $sc = new CI_Shoutcast(Settings_model::$db_config['shoutcast_host'], Settings_model::$db_config['shoutcast_port']);

            //$content_data = array();
            

        
        if (Settings_model::$db_config['shoutcast_version'] == 2) {
            if (! $sc->getBasicStats()) {
                $content_data['error'] = $sc->getError();
            } else {
                $content_data['currentlisteners'] = $sc->currentListeners;
                $content_data['peaklisteners'] = $sc->peakListeners;
                $content_data['maxlisteners'] = $sc->maxListeners;
                $content_data['uniquelisteners'] = $sc->uniqueListeners;
                $content_data['bitrate'] = $sc->bitrate;
                $content_data['songtitle'] = $sc->songTitle;
            }
        }
            
                $content_data['streamstatus'] = $sc->streamStatus;

            
            $this->quick_page_setup(Settings_model::$db_config['active_theme'], 'main', 'Shoutcast', 'shoutcast', 'header', 'footer', Settings_model::$db_config['active_theme'], $content_data);
    }

<?php if (!empty($streamstatus)) { ?>
<?php print $songtitle; ?>
<?php print $peaklisteners; ?>


<?php }else{ ?>
<?php print $error; ?>

<?php } ?>

        if (Settings_model::$db_config['shoutcast_version'] == 2) {