class Config
{
    const host = "dbserver";
    const name = "dbname";
    const user = "dbuser";
    const pass = "dbpass";
}

include "config.php";
$db = MySQLWrapper(Config::host, Config::name, Config::user, Config::pass);
//... init sessions, spl_autoloads, class maps and other stuff

require_once "full path to init.php"
create page