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<?phpclass Updater extends Singleton{	function add( $id, $current_version ) {		}		function check() {		$beacon = 'http://habariproject.org/beacon/';		$check  = new RemoteRequest( $beacon );		$check->__set_processor( new SocketRequestProcessor );		$check->set_timeout( 10 );		$result= $check->execute();			if ( $check->executed() ) {				return $check->get_response_body();			} else {				return NULL;			}	}}?>