php - Connect form at db conn? -

php - Connect form at db conn? -

i developing cms, i'm stuck. example, if create file next code db_conn.php:

private $host = "$field = $_post['host_db'];" private $user = "$field = $_post['username_db'];" private $password = "$field = $_post ['db_password'];" private $dbname = "$field = $_post['name_db'];"

and connect various field can that?

php html content-management-system