apcu_key_info

Get detailed information about the cache key

&reftitle.description; ``array``null```apcu_key_info` `string` `key`

Get detailed information about the cache key

&reftitle.parameters;

`key`

- Get detailed information about the cache key

&reftitle.returnvalues;

An array containing the detailed information about the cache key, or &null; if the key does not exist.

&reftitle.examples;

### A `apcu_key_info` example

    <?php
    apcu_add('a','b');
    var_dump(apcu_key_info('a'));
    ?>

&example.outputs;

    array(7) {
      ["hits"]=>
      int(0)
      ["access_time"]=>
      int(1606701783)
      ["mtime"]=>
      int(1606701783)
      ["creation_time"]=>
      int(1606701783)
      ["deletion_time"]=>
      int(0)
      ["ttl"]=>
      int(0)
      ["refs"]=>
      int(0)
    }

&reftitle.seealso;

- `apcu_store`
- `apcu_fetch`
- `apcu_delete`