apcu_key_info

(PECL apcu >= 4.0.2)

apcu_key_info — Get detailed information about the cache key

说明

function apcu_key_info(string $key): ?array

Get detailed information about the cache key

参数

key
The key to retrieve information for.

返回值

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

示例

示例 #1 A apcu_key_info() example

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

以上示例会输出：

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)
}

参见