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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 1.2 $ -->
<chapter xml:id="inclued.examples" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
&reftitle.examples;
<section xml:id='inclued.examples-implementation'>
<title>Example that implements inclued into an application</title>
<para>
This example demonstrates the process of implementing inclued into
an existing application, and viewing the results.
</para>
<para>
<example>
<title>Getting the data from inclued</title>
<programlisting role="php">
<![CDATA[
<?php
// File to store the inclued information
$fp = fopen('/tmp/wp.json', 'w');
if ($fp) {
$clue = inclued_get_data();
if ($clue) {
fwrite($fp, json_encode($clue));
}
fclose($fp);
}
?>
]]>
</programlisting>
</example>
</para>
<para>
Now that some data exists, it's time to make sense of it in the form of
a graph. The inclued extension includes a PHP file named
<filename>gengraph.php</filename> that creates a dot file that
requires the <link xlink:href="&url.graphviz;">graphviz</link> library.
However, this form is not required.
</para>
<para>
<example>
<title>Example use of gengraph.php</title>
<para>
This example creates an image named inclued.png that
shows the inclued data.
</para>
<programlisting role="shell">
<![CDATA[
# First, create the dot file
$ php graphviz.php -i /tmp/wp.json -o wp.dot
# Next, create the image
$ dot -Tpng -o inclued.png wp.dot
]]>
</programlisting>
</example>
</para>
</section>
</chapter>
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