← All built-ins / array_key_last()
array_key_last()
array_key_last(...$args): mixed
Parameters
| Name | Type | Description |
|---|---|---|
| $a | array | input array |
Return value
The last key, or null when empty.
Example
echo array_key_last(["a" => 1, "b" => 2]);
b
| Name | Type | Description |
|---|---|---|
| $a | array | input array |
The last key, or null when empty.
echo array_key_last(["a" => 1, "b" => 2]);
b