php-doc-en/reference/mysqlnd_qc/functions/mysqlnd-qc-clear-cache.xml
Jakub Vrana 065dd47a92 Replace _ by - in IDs
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@322131 c90b9560-bf6c-de11-be94-00142212c4b1
2012-01-12 12:40:04 +00:00

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1.8 KiB
XML

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.mysqlnd-qc-clear-cache" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>mysqlnd_qc_clear_cache</refname>
<refpurpose>Flush all cache contents</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type>
<methodname>mysqlnd_qc_clear_cache</methodname>
<void />
</methodsynopsis>
<para>
Flush all cache contents.
</para>
<para>
Flushing the cache is a storage handler responsibility.
All built-in storage handler but the
<literal>memcache</literal> storage
handler support flushing the cache. The
<literal>memcache</literal>
storage handler cannot flush its cache contents.
</para>
<para>
User-defined storage handler may or may not support the operation.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
&no.function.parameters;
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
<para>
A return value of
&false;
indicates that flushing all cache contents has
failed or the operation is not supported by
the active storage handler. Applications must
not expect that calling the function will always
flush the cache.
</para>
</refsect1>
</refentry>
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