1. <html>
  2. <body>
  3. <h4> Tony's Check for duplicate content gizmo! </h4>
  4. <form action="process.php" method="post">
  5.  
  6. Original text: <input name="original" type="text" />
  7.  
  8. </form>
  9.  
  10. <form>
  11. New article: <input name "new" type="text" />
  12. <input type="submit"/>
  13. </form>
  14. </body>
  15. </html>
  16.  
  17.  
  18. <?php
  19.  
  20. $original=$_POST ['original'];
  21. $new=$_POST['new'];
  22.  
  23. $originaltext=array (0=>$original);
  24. $newtext=array (1=>$new);
  25. print_r(array_diff($originaltext, $newtext));
  26.  
  27.  
  28. ?>