apcu_fetch

(PECL apcu >= 4.0.0)

apcu_fetch Fetch a stored variable from the cache

Опис

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

Fetches an entry from the cache.

Параметри

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.

Значення, що повертаються

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

Журнал змін

Версія Опис
PECL apcu 3.0.17 The success parameter was added.

Приклади

Приклад #1 A apcu_fetch() example

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

Поданий вище приклад виведе:

string(3) "BAR"

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User Contributed Notes 1 note

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orlando at thoeny dot dev
1 year ago
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.
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