Source for file example2.php

Documentation is available at example2.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title>XML_FOAF_Parser Example</title>
        <meta name="Author" content="" />
        <meta name="Keywords" content="" />
        <meta name="Description" content="" />
        <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
        <style type="text/css">
            table,th,td { border: 1px solid black; }
        </style>
    </head>
    <body>
        <?php
            // Get our FOAF File from $_GET['foaf']
            if (!isset($_REQUEST['foaf'])) {
                echo "<strong>Please enter a FOAF file below";
            } else {
                $foaf = file_get_contents($_REQUEST['foaf']);
    
                // Require the XML_FOAF_Parser class
                require_once 'XML/FOAF/Parser.php';
    
                // Create new Parser object
                $parser = new XML_FOAF_Parser;
    
                // Start of output
                echo '<h1>XML_FOAF_Parser Example</h1>';
                if (isset($_REQUEST['xml'])) {
                    echo '<pre>' .htmlentities($foaf). '</pre>';
                }
                
                // Parser our FOAF in $foaf
                require_once 'Benchmark/Timer.php';
                $timer = new Benchmark_Timer();
                $timer->start();
                $parser->parseFromMem($foaf);
                $timer->setMarker('Time taken to Parse FOAF File');
                $timer->stop();
                if (isset($_REQUEST['table'])) {
                    // Show our FOAF as an HTML table
                    echo "<h2>FOAF as HTML Table</h2>";
                    echo $parser->toHTML($parser->toArray());
                }
                
                if (isset($_REQUEST['array'])) {
                    // Show the contents of the FOAF Data array
                    echo "<h2>FOAF as Array</h2>";
                    echo "<pre>";
                    var_dump($parser->toArray());
                    echo "</pre>";
                }
                
                if (isset($_REQUEST['timer'])) {
                    $timer->display();
                }
            }
        ?>
        <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
            <p>
                <label>FOAF File URI: <input type="text" name="foaf" value="<?php echo(@$_REQUEST['foaf']) ?>" /></label>
                <br />
                Show RDF/XML: <input type="checkbox" name="xml" value="true" />
                <br />
                Show as HTML Table: <input type="checkbox" name="table" value="true" checked="checked" />
                <br />
                Show as Array: <input type="checkbox" name="array" value="true" />
                <br />
                Show Timer: <input type="checkbox" name="timer" value="true" checked="checked" />
                <br />
                <input type="submit" value="Parse FOAF!" />
            </p>
        </form>
    </body>
</html>