PHP/Utility Function/output add rewrite var

URL Rewriting

   <source lang="html4strict">

<?

   <?php
     output_add_rewrite_var("foo", "baz");
     echo "<a href="mypage.php">Click here!</A>
";
     output_add_rewrite_var("bar", "baz");
     echo "<a href="mypage.php">Click here!</A>
";
     echo "<form action="mypage.php" method="post">";
     echo "<input type="button" value="  Click here!  " />";
     echo "</form>";
   ?>
   <a href="mypage.php">Click here!</a>

?>

 </source>