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. New article: <input name="new" type="text" />
  9. <input type="submit"/>
  10. </form>
  11. </body>
  12. </html>
  13. <?php
  14.  
  15. $original=$_POST ['original'];
  16. $new=$_POST['new'];
  17.  
  18. $originaltext=array (0=>$original);
  19. $newtext=array (1=>$new);
  20. print_r(array_diff($originaltext, $newtext));
  21.  
  22.  
  23. ?>