title: How to return to previous page and refresh it in php or javascript?
body: <p>How can user return to the page he came from, and refresh its content, using PHP or javascript.</p>
  
  <p>I've used this to get back to the page : </p>
  
  <pre><code>    header("Location: javascript:history.back(-1)");
  </code></pre>
  
  <p>but it needs to be refreshed after that.</p>