getdata( $sql );$name = strip_tags( $_request['name'] );$age = intval( $_request['age'] );$sql = insert into `user` ( `name`, `age`, `regtime`) values (' . $mysql->escape( $name ) . ' , ' . intval( $age ) . ' , now() ) ;$mysql->runsql($sql);if ($mysql->errno() != 0){ die(error: . $mysql->errmsg());}$mysql->closedb();?>