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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.1 $ -->
<refentry id="function.rpm-get-tag">
<refnamediv>
<refname>rpm_get_tag</refname>
<refpurpose>Retrieves a header tag from an RPM file</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>mixed</type><methodname>rpm_get_tag</methodname>
<methodparam><type>resource</type><parameter>rpmr</parameter></methodparam>
<methodparam><type>int</type><parameter>tagnum</parameter></methodparam>
</methodsynopsis>
<para>
<function>rpm_get_tag</function> will retrieve a given tag from
the RPM file's header and return it.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>rpmr</parameter></term>
<listitem>
<para>
A file pointer resource successfully opened by
<function>rpm_open</function>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>tagnum</parameter></term>
<listitem>
<para>
The tag number to retrieve from the RPM header. This value
can be specified using the list of constants defined by this
module.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The return value can be of various types depending on the
<parameter>tagnum</parameter> supplied to the function.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>rpm_get_tag</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$file = "/path/to/file.rpm";
$rpmr = rpm_open($file);
$name = rpm_get_tag($rpmr, RPMREADER_NAME);
echo "$name<br>\n";
rpm_close($rpmr);
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>rpm_open</function></member>
<member><function>rpm_close</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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