两个二维数组
$cart = arrray(array("id"=1,"num="2")); $newcart = arrray(array("id"=1,"num="4");array("id"=2,"num="4"))
怎么样遍历 使它变成 $cart = arrray(
array("id"=1,"num="6");
array("id"=2,"num="4")) 怎么就拼接它 大神求助啊
$cart = arrray(array("id"=1,"num="2")); $newcart = arrray(array("id"=1,"num="4");array("id"=2,"num="4"))
怎么样遍历 使它变成 $cart = arrray(
array("id"=1,"num="6");
array("id"=2,"num="4")) 怎么就拼接它 大神求助啊
foreach($cart as $v) $t[$v['id']]+=$v['num'];
foreach($newcart as &$v){
$v['num']+=$t[$v['id']];
}
print_r($newcart);
$cart = arrray(array("id"=1,"num="2"));(session中的值) 第一次传 $newcart = arrray(array("id"=1,"num="4");array("id"=2,"num="4")) 第二次传 $newcart = arrray(array("id"=9,"num="4");array("id"=1,"num="4"))怎么样遍历 使它变成 $cart = arrray(
[0]=>array("id"=>1,"num"=>10)
[1]=>array("id"=>2,"num"=>4)
[2]=>array("id"=>9,"num"=>4)
) 怎么就实现 大神求助啊
$cart = arrray(array("id"=1,"num="2"));(session中的值) 第一次传 $newcart = arrray(array("id"=1,"num="4");array("id"=2,"num="4")) 第二次传 $newcart = arrray(array("id"=9,"num="4");array("id"=1,"num="4"))
第三次传 id 是随时变的....
。。
怎么样遍历 使它变成 $cart = arrray(
[0]=>array("id"=>1,"num"=>10)
[1]=>array("id"=>2,"num"=>4)
[2]=>array("id"=>9,"num"=>4)
) 怎么就实现 大神求助啊
$cart =$newcart;
print_r($cart);