我需要的帮助
这是我的会话数组:
Array
(
[menu] =>
[id] => 3
[products] => Array
(
[0] => Array
(
[id] => 1
[name] => Produkt 1
[code] => 1
[varianta] =>
[pocet] => 1
[price] => 20
[pricepredtym] => 40
)
[1] => Array
(
[id] => 2
[name] => Produkt 1
[code] => 1
[varianta] =>
[pocet] => 1
[price] => 20
[pricepredtym] => 40
)
)
)
我需要一些类似的东西,如果($_GET[id]=$_SESSION['products'][id]),并且只更改这个"[pocet]",其中[id]=2
$_GET[id]=2$pocet=5
[1] => Array
(
[id] => 2
[name] => Produkt 1
[code] => 1
[varianta] =>
[pocet] => 5
[price] => 20
[pricepredtym] => 40
)
您可以通过产品id索引products
数组
if(isset($_SESSION['products'][$prod_id])) {
$_SESSION['products'][$prod_id]['pocet'] = $pocet;
}
否则,使用foreach循环:
foreach ($_SESSION['products'] as $i => $prod) {
if ($prod['id'] == $prod_id) {
$_SESSION['products'][$i]['pocet'] = $pocet;
break;
}
}
将GET
值与2
进行比较,并将其用作SESSION
数组的键。
if ($_GET['id'] == '2'){
$_SESSION['products'][$_GET['id']]['pocet'] = '5';
}