apcu_fetch
(PECL apcu >= 4.0.0)
apcu_fetch — Fetch a stored variable from the cache
Список параметров
-
key -
The
keyused to store the value (with apcu_store()). If an array is passed then each element is fetched and returned. -
success -
Set to
TRUEin success andFALSEin failure.
Возвращаемые значения
The stored variable or array of variables on success; FALSE on failure
Примеры
Пример #1 A apcu_fetch() example
<?php
$bar = 'BAR';
apcu_store('foo', $bar);
var_dump(apcu_fetch('foo'));
?>
Результат выполнения данного примера:
string(3) "BAR"
Список изменений
| Версия | Описание |
|---|---|
| 3.0.17 |
The success parameter was added.
|
Смотрите также
- apcu_store() - Cache a variable in the data store
- apcu_delete() - Removes a stored variable from the cache
- APCUIterator
Коментарии
Note that $success is set to false if no cached entry with given key exists.So "failure" tells you if the cache was hit or not.