title: printing session variables in php
body: <p>How do I print these sessions using the <code>print_r</code> function. <br>
  I'm new to php.<br><br>
  Theses are the sessions.</p>
  
  <pre><code>$studentID = $_SESSION['StudentID'];
  $offeringID=$_SESSION['OfferingID'];
  $email=$_SESSION['email'];
  </code></pre>
  
  <p><br>
  Any help would be very much appreciated.</p>