array_key_last
array_key_last ( $array )
Parameters:Returns:- (string|int|null) The last key of array if the array . is not empty; `null` otherwise.
Defined at: - Introduced in WordPress: 5.9.0
- Deprecated in WordPress: —
Description
Polyfill for `array_key_last()` function added in PHP 7.3.Get the last key of the given array without affecting the
internal array pointer.