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<title>Retrieves a header tag from an RPM file</title>
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<h1 class="refname">rpm_get_tag</h1>
<p class="verinfo">(PECL rpmreader >= 0.1.0)</p><p class="refpurpose"><span class="refname">rpm_get_tag</span> — <span class="dc-title">Retrieves a header tag from an RPM file</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.rpm-get-tag-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><strong>rpm_get_tag</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$rpmr</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$tagnum</code></span>
)</div>
<p class="para rdfs-comment">
<span class="function"><strong>rpm_get_tag()</strong></span> will retrieve a given tag from
the RPM file's header and return it.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.rpm-get-tag-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">rpmr</code></em></span>
<dd>
<p class="para">
A file pointer resource successfully opened by
<span class="function"><a href="function.rpm-open.html" class="function">rpm_open()</a></span>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">tagnum</code></em></span>
<dd>
<p class="para">
The tag number to retrieve from the RPM header. This value
can be specified using the list of constants defined by this
module.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.rpm-get-tag-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
The return value can be of various types depending on the
<em><code class="parameter">tagnum</code></em> supplied to the function.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.rpm-get-tag-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3569">
<p><strong>Example #1 <span class="function"><strong>rpm_get_tag()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$file </span><span style="color: #007700">= </span><span style="color: #DD0000">"/path/to/file.rpm"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$rpmr </span><span style="color: #007700">= </span><span style="color: #0000BB">rpm_open</span><span style="color: #007700">(</span><span style="color: #0000BB">$file</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$name </span><span style="color: #007700">= </span><span style="color: #0000BB">rpm_get_tag</span><span style="color: #007700">(</span><span style="color: #0000BB">$rpmr</span><span style="color: #007700">, </span><span style="color: #0000BB">RPMREADER_NAME</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$name</span><span style="color: #DD0000"><br>\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">rpm_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$rpmr</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.rpm-get-tag-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.rpm-open.html" class="function" rel="rdfs-seeAlso">rpm_open()</a> - Opens an RPM file</span></li>
<li class="member"> <span class="function"><a href="function.rpm-close.html" class="function" rel="rdfs-seeAlso">rpm_close()</a> - Closes an RPM file</span></li>
</ul>
</p>
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