------------------------------------------------------------------------------
MC logo
Asst2 Data Displayer
[^] PHP Listings
------------------------------------------------------------------------------
showdata.php       showdata.php 
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>Echo Data</title>
    <style>
      body { color: #000022; background-color: #ddddff; 
             margin-left: 5em; margin-right: 5em; }
      h1, h2, h3 { text-align: center; font-family: sans-serif; }
      h1 { font-size: 120%; padding-bottom: 1em; }
      h2 { font-size: 110%; padding-top: 0.5em; text-decoration: underline; }
      table { margin-left: auto; margin-right: auto; max-width: 90% }
      p { text-align: center; }
      p.date { width: 22em; border: 1pt solid blue; 
              margin-left: auto; margin-right: auto; }
      p.none { font-style: italic; }
      td { text-align: right; padding: 0.1em 0.5em; color: #440011; }
      td + td { text-align: left; color: #000055; }
    </style>
  </head>
  <body>
    <h1>Data Echo Page</h1>
<?php
//Generate a table row.
function tabrow($key, $val)
{
	echo '<tr><td>', htmlspecialchars($key), ':</td><td>',
		htmlspecialchars($val), '</td></tr>';
}

// Opening page headings.
echo '<p class="date">', strftime('%l:%M %P %B %d, %Y'), 
	'</p><h2>Client Data</h2><table>';

// Generate rows of the client information table.
tabrow('Client String', $_SERVER['HTTP_USER_AGENT']);
$info = get_browser($_SERVER['HTTP_USER_AGENT'],1);
tabrow('Client Software', $info['browser'] . ' v. ' . $info['version'] . 
       ' on '. $info['platform']);
$ip = $_SERVER['REMOTE_ADDR'];
$host = gethostbyaddr($ip);
if($host) $ip = "$host ($ip)";
tabrow('Client Address', $ip);
tabrow('HTTP Method', $_SERVER['REQUEST_METHOD']);
$ref = $_SERVER['HTTP_REFERER'];
if($ref) tabrow('Came from', $ref);
echo '</table>';

// Request data.
$rkeys = array_unique(array_merge(array_keys($_GET), array_keys($_POST)));
if($rkeys) {
	echo "<h2>Request Data</h2><table>";
	foreach ($rkeys as $k)
		tabrow($k, $_REQUEST[$k]);
	echo '</table>';
} else 
	echo '<p class="none">No request data</p>';
	
// Cookies.
if(count($_COOKIE) > 0) {
	echo "<h2>Cookies</h2><table>";
	$keys = array_keys($_COOKIE);
	sort($keys);
	foreach ($keys as $k)
		tabrow($k, $_COOKIE[$k]);
	echo '</table>';
} else
	echo '<p class="none">No cookies</p>';
?>
  </body>
</html>