Calling apcu_delete() on an unexisting cached variable name doesn't generate a NOTICE (nor WARNING), making it safe to use if unsure of the state of that variable.
apcu_delete
(PECL apcu >= 4.0.0)
apcu_delete — Removes a stored variable from the cache
인수
-
key -
A
keyused 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.
반환값
성공 시 TRUE를, 실패 시 FALSE를 반환합니다.
예제
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_#'));
?>
참고
- 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
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User Contributed Notes 1 note
ywarnier at beeznest dot org ¶
1 year ago
