Memcached
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Memcached::flush

(PECL memcached >= 0.1.0)

Memcached::flushInvalidate all items in the cache

说明

public bool Memcached::flush ([ int $delay ] )

Memcached::flush() invalidates all existing cache items immediately (by default) or after the delay specified. After invalidation none of the items will be returned in response to a retrieval command (unless it's stored again under the same key after Memcached::flush() has invalidated the items). The flush does not actually free all the memory taken up by the existing items; that will happen gradually as new items are stored.

参数

delay

Numer of seconds to wait before invalidating the items.

返回值

如果成功则返回 TRUE,失败则返回 FALSE。 Use Memcached::getResultCode if necessary.

范例

Example #1 Memcached::flush() example

<?php
$m 
= new Memcached();
$m->addServer('localhost'11211);

/* flush all items in 10 seconds */
$m->flush(10);
?>


Memcached
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