apcu_delete

(PECL apcu >= 4.0.0)

apcu_delete — Removes a stored variable from the cache

说明

apcu_delete ( mixed $key ) : bool

Removes a stored variable from the cache.

参数

key: A key used to store the value as a string for a single key, or as an array of strings for several keys, or as an APCUIterator object.

返回值

成功时返回 TRUE，或者在失败时返回 FALSE。

范例

Example #1 A apcu_delete() example


<?php
$bar = 'BAR';
apcu_store('foo', $bar);
apcu_delete('foo');
// this is obviously useless in this form

// Alternatively delete multiple keys.
apcu_delete(['foo', 'bar', 'baz']);

// Or use an Iterator with a regular expression.
apcu_delete(new APCUIterator('#^myprefix_#'));
?>

参见

apcu_store() - Cache a variable in the data store
apcu_fetch() - Fetch a stored variable from the cache
apcu_clear_cache() - Clears the APCu cache
APCUIterator