Warning: Use of undefined constant NL - assumed 'NL' (this will throw an Error in a future version of PHP) in /var/www/html/start_page/config.php on line 11

Fatal error: Uncaught Error: Call to undefined function mysql_pconnect() in /var/www/html/start_page/functions.php:14 Stack trace: #0 /var/www/html/start_page/index.php(13): connect_db() #1 {main} thrown in /var/www/html/start_page/functions.php on line 14