apcu_key_info

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apcu_key_info — Get detailed information about the cache key

说明

apcu_key_info(string $key): ?array

Get detailed information about the cache key

参数

key: Get detailed information about the cache key

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

apcu_store() - 缓存一个变量到存储中
apcu_fetch() - Fetch a stored variable from the cache
apcu_delete() - Removes a stored variable from the cache

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备份地址：http://www.lvesu.com/blog/php/function.apcu-key-info.php