= 4.0.0)apcu_fetch — Fetch a stored variable from the cache 說明apcu_fetch(mixed $key, bool &$success = ?): mixedFetches an entry ">

apcu_fetch

(PECL apcu >= 4.0.0)

apcu_fetch Fetch a stored variable from the cache

說明

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

Fetches an entry from the cache.

參數(shù)

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

更新日志

版本 說明
PECL apcu 3.0.17 The success parameter was added.

范例

示例 #1 A apcu_fetch() example

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

以上例程會(huì)輸出:

string(3) "BAR"

參見