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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.imap-gc" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>imap_gc</refname>
<refpurpose>Clears IMAP cache</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>true</type><methodname>imap_gc</methodname>
<methodparam><type>IMAP\Connection</type><parameter>imap</parameter></methodparam>
<methodparam><type>int</type><parameter>flags</parameter></methodparam>
</methodsynopsis>
<para>
Purges the cache of entries of a specific type.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
&imap.imap-parameter.imap;
<varlistentry>
<term><parameter>flags</parameter></term>
<listitem>
<para>
Specifies the cache to purge. It may one or a combination
of the following constants:
<constant>IMAP_GC_ELT</constant> (message cache elements),
<constant>IMAP_GC_ENV</constant> (envelope and bodies),
<constant>IMAP_GC_TEXTS</constant> (texts).
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.true.always;
</para>
</refsect1>
<refsect1 role="errors">
&reftitle.errors;
<para>
Throws a <classname>ValueError</classname> if <parameter>flags</parameter>
is invalid.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
&imap.changelog.imap-param;
<row>
<entry>8.0.0</entry>
<entry>
A <classname>ValueError</classname> is now thrown on invalid
<parameter>flags</parameter> parameter values. Previously,
a warning was emitted and the function returned &false;.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>imap_gc</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$mbox = imap_open("{imap.example.org:143}", "username", "password");
imap_gc($mbox, IMAP_GC_ELT);
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
</refentry>
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