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Editorial Team
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Asked: 2026-05-28T01:11:56+00:00

I have in session PHP: $_SESSION[‘id’] = 2; how can i get this for

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I have in session PHP:

$_SESSION['id'] = 2;

how can i get this for jQuery?

<script>
   var sessionid = ??? ;
   alert(sessionid);
</script>
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1 Answer

  1. Editorial Team

    You could set it as the ID of an element (like the HTML element) if you want to access it from a script:

    <html id="<?php echo $_SESSION['id']; ?>">

    In the external script:

    var sessionid = $('html').attr('id');
alert (sessionid);

    This has the added benefit of being able to be read by an external script.

    EDIT:

    You would need to set the session before you output anything, so the full code would be something like:

    <?php
  session_start();
  if (!isset($_SESSION['id']))
    $_SESSION['id'] = 'session1';
?><html id="<?php echo $_SESSION['id']?>">
  <head>
    <title>SESSION ID TEST</title>
    <script>
      $(function(){
        var sessionid = $('html').attr('id');
        alert (sessionid);
      })
    </script>
  </head>
</html>
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