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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.1 $ -->
<refentry id="function.Memcache-flush">
<refnamediv>
<refname>Memcache::flush</refname>
<refpurpose>Flush all existing items at the server</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>bool</type><methodname>Memcache::flush</methodname>
<void/>
</methodsynopsis>
<para>
<function>Memcache::flush</function> immediately invalidates all
existing items. <function>Memcache::flush</function> doesn't
actually free any resources, it only marks all the items as expired, so
occupied memory will be overwritten by new items.
</para>
<para>
Also you can use <function>memcache_flush</function> function.
See example below.
</para>
<example>
<title><function>Memcache::flush</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
/* procedural API */
$memcache_obj = memcache_connect('memcache_host', 11211);
memcache_flush($memcache_obj);
/* OO API */
$memcache_obj = new Memcache;
$memcache_obj->connect('memcache_host', 11211);
$memcache_obj->flush();
?>
]]>
</programlisting>
</example>
<para>
&return.success;
</para>
</refsect1>
</refentry>
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