Fatal error: Uncaught mysqli_sql_exception: Connection refused in /home/proxyback/public_html/d.php:4 Stack trace: #0 /home/proxyback/public_html/d.php(4): mysqli_connect('127.0.0.1', '', '', '', 9306) #1 {main} thrown in /home/proxyback/public_html/d.php on line 4