array_key_last
Gets the last key of an array
Syntax
array_key_last ( array $array ) : mixed
Parameters
array
An array.
Return
Returns the last key of array if the array is not empty; NULL otherwise.
Examples
<?
$array = array("a" => 0, "b" => 1, "c" => 2);
$return = array_key_last($array);
var_dump($return);
?>
string(1) "c"