php中2个数组所需的差异键

I have following 2 arrays,

1)

Array
    (
        [109] => 0
        [112] => 10
        [113] => 0
        [110] => 0
    )

2)

Array
    (
        [112] => 10.00
    )

now i want output as

Array

(
        [109] => 0
        [113] => 0
        [110] => 0
    )

here [112] i dont want because it is same i want difference. i used array_diff(arr1,arr2); but i am getting [112]. how can i get rid of 112. since 10 and 10.00 is same in value

That's because your values are string. So 10 and 10.00 are different values. Do change all values to int or float.

$arr1 = array_map('floatval', $arr1);
$arr2 = array_map('floatval', $arr2);

array_diff($arr1, $arr2);

what you need is a variation of array_diff which is array_diff_keywhich will compute difference on keys rather than the values.

$result = array_diff_key($array1,$array2)
var_dump($result);

doc_link

You can use array_diff_key function. For example:

$arr1 = [
    109 => 0,
    112 => 10,
    113 => 0,
    110 => 0
];

$arr2 = [
    112 => 10.00
];


print_r(array_diff_key($arr1, $arr2));

Output:

Array
(
    [109] => 0
    [113] => 0
    [110] => 0
)