function initDatabase()
{
   global $mysqli;
   $mysqli = new mysqli(dbserver,dbuser,dbpass,dbname);
}
function getData()
{
   global $mysqli;
   $mysqli->query(...);
}
 nicht angemeldet
 nicht angemeldetfunction initDatabase()
{
   global $mysqli;
   $mysqli = new mysqli(dbserver,dbuser,dbpass,dbname);
}
function getData()
{
   global $mysqli;
   $mysqli->query(...);
}