bustit.php at PHP Code Buster

<?php
/*
LICENSE
=======
Copyright (C) 2005 Martijn Loots, Cosix Automatisering, NL

PhpCodeBuster is a PHP code obfuscator, written in PHP.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.

A copy of the GNU General Public License is available at
http://www.gnu.org/copyleft/gpl.html
*/

// This script is a VERY simplistic demo / proof of concept
// to be used in conjunction with PhpCodeBuster.

// Include PhpCodeBuster class
require_once ('class/phpcodebuster.class.php');

// Create a new object 
$buster = new PhpCodeBuster();

// Initial class settings
$buster->StripComments = true;
$buster->BustNames     = true;
$buster->BustVars      = true;

// Put the form on the page.
//
// 2 panes if there's a result present (top pane containing the busted code)
// 1 pane if there's no result present (to accept the code to be busted)
//
function bustform($result = false) {
  global $buster;

  ?>
  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
  <html>
    <head>
      <title>Bust It !</title>
      <link rel="stylesheet" type="text/css" href="stylesheet.css" />
    </head>
    <body>
      <form method="post" action="bustit.php">
       <table>
        <tr><th><u><?echo $buster->PhpBustVersion();?></u></th></tr>
        <?if ($result) {?>
        <tr><th>Busted code</th><tr>
        <tr><td><textarea rows=8 cols=50><?echo $result;?></textarea></td></tr>
        <tr><td><br /><hr /><br /></td></tr><?}?>
        <tr><th>Code to be busted</th><tr>
        <tr><td><textarea name="bustcode" rows=8 cols=50></textarea></td></tr>
        <tr><td><br /><hr /><br /></td></tr>
        <tr>
         <th>
          <input type="submit" name="submit" value="Big Bust">
          <input type="submit" name="submit" value="Debugable Bust">
         </th>
        </tr>
       </table>
      </form>
    </body>
  </html>
  <?php
}

// Form processing
if ($howtobust = $_REQUEST['submit']) {
  // One of the buttons has been pressed
  switch ($howtobust) {
    case "Big Bust":
      // Ensure best busting settings
      $buster->StripEOL  = true;
      $buster->BustPlain = false;
      break;

    case "Debugable Bust":
      // Bust code, but readability remains mostly intact
      $buster->StripEOL  = false;
      $buster->BustPlain = true;
      break;

    default:
      // Tried to hack me, or what ?
      bustform("Sorry, something weird happened...");
      exit;
  }

  // Call the obfuscator with complete content, not a filename
  $result = $buster->PhpBustCode(stripslashes($_REQUEST['bustcode']), false);

  // Back to the form, this time with some results
  bustform(htmlentities($result));
}
else
  // Display the form
  bustform();
?>