title: how can i send the data to another page without appending it in url?
body: <p>i have a scenario where user when click on a link, he is directed to a page in which i want to add a code to fetch a variable and redirect to another page.</p>
  
  <p>.i.e. user click on <code>&lt;a href="sample.tpl"&gt;click here&lt;/a&gt;</code> </p>
  
  <p>on sample.tpl i want to write a code to redirect him to another page</p>
  
  <pre><code>&lt;script&gt;
  window.location="http://mydomain.com/?page_id=10"
  </code></pre>
  
  <p></p>
  
  <p><strong>but i want to send a variable too on this new link without appending it to url for security reasons</strong> </p>
  
  <p>how can i do it with some safe procedure.</p>
  
  <p>Do ask me questions plz if it is not clear.</p>