<html><body>// Make the URL rewriter affect <a href> and <form> tagsini_set('url_rewriter.tags','a=href,form=');// Add a variableoutput_add_rewrite_var('var', 'value');// Output a link and a formecho '<a href="#">This link\'s URL will have a variable</a>';echo '<form>';echo '<p>This form will have a hidden input</p>';echo '<input type="text" name="hello">';echo '</form>';</body></html>