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Invalidate all items in the cache


Memcached::flush

(PECL memcached >= 0.1.0)

Memcached::flushInvalidate all items in the cache

Description

public bool Memcached::flush ([ int $delay = 0 ] )

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.

Parameters

delay

Numer of seconds to wait before invalidating the items.

Return Values

Returns TRUE on success or FALSE on failure. Use Memcached::getResultCode() if necessary.

Examples

Example #1 Memcached::flush() example

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

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



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