Warning: mysqli_select_db() expects exactly 2 parameters, 1 given in /web/htdocs/www.itismonza.it/home/censimenti/mysql_connect.php on line 21

Fatal error: Uncaught Error: Call to undefined function mysql_error() in /web/htdocs/www.itismonza.it/home/censimenti/mysql_connect.php:21 Stack trace: #0 /web/htdocs/www.itismonza.it/home/censimenti/index.php(3): require_once() #1 {main} thrown in /web/htdocs/www.itismonza.it/home/censimenti/mysql_connect.php on line 21