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apcu_fetch

(PECL apcu >= 4.0.0)

apcu_fetch Fetch a stored variable from the cache

说明

mixed apcu_fetch ( mixed $key [, bool &$success ] )

Fetchs 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
3.0.17 The success parameter was added.

参见

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