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<?php
// ³ÌÐòÃû: cart.inc
class Cart {
var $items; // ÊÖÍƳµÀà
// ±¾·½·¨¼ÓÈë $num ¼þÎïÆ·µ½ÊÖÍƳµÖÐ (¼Óµ½ $artnr ±äÁ¿)
function add_item ($artnr, $num) {
$this->items[$artnr] += $num;
}
// ±¾·½·¨´ÓÊÖÍƳµ¼õÉÙ $num ¼þÎïÆ· (´Ó $artnr ±äÁ¿¼õµô)
function remove_item ($artnr, $num) {
if ($this->items[$artnr] > $num) {
$this->items[$artnr] -= $num;
return true;
} else {
return false;
}
}
}
?>
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<?php
require("cart.inc");
$cart = new Cart;
$cart->add_item("10", 1);
?>
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