Fatal error: Uncaught mysqli_sql_exception: Connection refused in /code/conn.php:9 Stack trace: #0 /code/conn.php(9): mysqli_connect('mysql', 'pisens', 'pisens#99', 'piair') #1 /code/index.php(3): require('/code/conn.php') #2 {main} thrown in /code/conn.php on line 9