Connection failed: SQLSTATE[HY000] [2002] Connection refused<br />
<b>Notice</b>:  Undefined variable: conn in <b>/var/www/html/_multi2/include/dbconn.php</b> on line <b>17</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function query() on null in /var/www/html/_multi2/include/dbconn.php:28
Stack trace:
#0 /var/www/html/_multi2/include/setup.php(24): db_query()
#1 /var/www/html/_multi2/corso.php(19): include('/var/www/html/_...')
#2 {main}
  thrown in <b>/var/www/html/_multi2/include/dbconn.php</b> on line <b>28</b><br />