Php/docs/function.apcu-fetch

• PHP Manual
• APCu 函数
• Fetch a stored variable from the cache

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

Example #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

• apcu_store() - Cache a variable in the data store
• apcu_delete() - Removes a stored variable from the cache
• APCUIterator