apcu_fetch

(PECL apcu >= 4.0.0)

apcu_fetch Fetch a stored variable from the cache

Description

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

Fetches an entry from the cache.

Parameters

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.

Return Values

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

Changelog

Version Description
PECL apcu 3.0.17 The success parameter was added.

Examples

Example #1 A apcu_fetch() example

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

The above example will output:

string(3) "BAR"

See Also

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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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