apcu_fetch

(PECL apcu >= 4.0.0)

apcu_fetch — Fetch a stored variable from the cache

说明

apcu_fetch ( mixed $key , bool &$success = ? ) : mixed

Fetches an entry from the cache.

参数

key

The key used to store the value (with apcu_store()). If an array is passed then each element is fetched and returned.

success

Set to true in success and false in failure.

返回值

The stored variable or array of variables on success; false on failure

范例

示例 #1 A apcu_fetch() example

<?php
$bar = 'BAR';
apcu_store('foo', $bar);
var_dump(apcu_fetch('foo'));
?>

以上例程会输出：

string(3) "BAR"

更新日志

版本 说明
PECL apcu 3.0.17 The success parameter was added.

参见