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apcu_exists	apcu_inc

APCu Functions	Last updated: Mon, 26 Oct 2026

apcu_fetch

(PECL apcu >= 4.0.0)

apcu_fetch — Fetch a stored variable from the cache

Description

function 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

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

apcu_exists	apcu_inc

APCu Functions	Last updated: Mon, 26 Oct 2026