dbconn.php:

	global $sql;

	
	$sql = new PDO ('mysql:host='. $dbserver .';dbname='. $dbname, $dbuser, $dbpass);

myclass.php:

include('dbconn.php');

      $result = $sql->query('SELECT * FROM table');

error:

Notice: Undefined variable: sql in myclass.php on line 39

Fatal error: Call to a member function query() on a non-object in myclass.php on line 39