我有一个数组
$check
其中包含与offer和basket关联的代码-这两个都有键值。我想检查一下
basket
存在于
offer
.
场景1,这将失败,因为篮中不包含DEF:
Array
(
[offer] => Array
(
[0] => 'ABC',
[1] => 'DEF',
),
[basket] => Array
(
[0] => 'ABC',
[1] => '123',
[2] => '456',
)
)
Array
(
[offer] => Array
(
[0] => 'ABC',
[1] => 'DEF',
),
[basket] => Array
(
[0] => 'ABC',
[1] => 'DEF',
[2] => '123',
)
)
比较数组最有效的方法是什么?