return "BloggsCal footer\n"; } } class MegaCommsManager extends CommsManager { function getHeaderText() { return "MegaCal header\n"; } function getApptEncoder() { return new MegaApptEncoder(); } function getTtdEncoder() { return new MegaTtdEncoder(); } function getContactEncoder() { return new MegaContactEncoder(); } function getFooterText() { return "MegaCal footer\n"; } } $mgr = new MegaCommsManager(); print $mgr->getHeaderText(); print $mgr->getApptEncoder()->encode(); print $mgr->getFooterText();