PHP数组:数组的和元素

Question

我有这样的数组:

array(2)(
['id'] => "59898441545",
['total'] => 
array(
[0] => 2,
[1] => 5
[2] => 10
[3] => 35
)
);

我希望返回的数组是相同的,但关键的"总数"不是aarray,而是所有的precedemtn值的总和,如下所示:

array(2)(
['id] => "59898441545",
['total'] => 52 // the sum of the precedent elements
);

PS:"总数组"中的元素数量可能会改变任何帮助？thx提前

Answer 1

$youarray['total'] = array_sum($youarray['total']);