Gets the difference between two array using their key for comparison calculation
array:difference_by_key(ARRAY $first_array, ARRAY $second_array) : ARRAY
$first_array = [
1,2,3,4,5,6
]
$second_array = [
1,2,3,4,5
]
array:difference_by_key($first_array, $second_array)
#=> [
#=> 5 => 6
#=> ]
#===
$first_array = [
[1],[2]
]
$second_array = [
[1]
]
array:difference_by_key($first_array, $second_array)
#=> [
#=> 1 => [
#=> 2
#=> ]
#=> ]
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