如何找到两个多维数组之间的差异

Question

我有一个像这样的数组

Array
(
    [83YaO] => Array
        (
            [0] => admin@gmail.com
        )
    [78hk0] => Array
        (
            [0] => vero@gmail.com
        )

)

和另一个数组，形式为

Array
(
    [83YaO] => Array
        (
            [0] => admin@gmail.com
            [1] => asdsad@gmail.com
            [2] => singh@gmail.com
        )
)

我如何找到添加联系人之类的差异

Array
(
    [83YaO] => Array
        (
            [0] => admin@gmail.com
            [1] => singh.pratibha1432@gmail.com
        )
    [78hk0] => Array
        (
            [0] => vero@gmail.com
        )
)

并拒绝这样的联系人：

[83YaO] => Array
    (
        [0] => admin@gmail.com
    )

Answer 1

将array1与array2或更多其他数组进行比较，并返回array1中其他数组中不存在的值。

$array1 = array("a" => "green", "red", "blue", "red");
$array2 = array("b" => "green", "yellow", "red");


$result = array_diff($array1, $array2);

print_r($result);