PHP ʖ²ἯTH º󍋼/A Ղ 14. ӫ¶ԏ󼯔D ¼̳м/TT class Named_Cart extends Cart {var $owner; function set_owner ($name) {$this- owner = $name;}} $ncart = new Named_Cart; // Create a named cart $ncart- set_owner("kris"); // Name that cart print $ncart- owner; // print the cart owners name $ncart- add_item("10", 1); // (inherited functionality from cart) º󍋼/A ưµ㼯A ӫ¶ԏ󼯔D ɏһ¼¶ ¹¹Ԭº¯ʽ