PHP从内部数组中检索值

Question

如何从以下数组中检索值1：

Array
(
    [Nov 18, 2011] => Array
        (
            [C] => 2
            [I] => 1
        )

    [Nov 22, 2011] => Array
        (
            [C] => 2
        )

)

谢谢。

Answer 1

$value = $yourArray['Nov 18, 2011']['I'];