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Editorial Team
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Asked: 2026-06-07T04:32:15+00:00

Why I do not get any printing on the screen (m1, m2 or m3)?

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Why I do not get any printing on the screen (m1, m2 or m3)?

i.e. how can I pass JavaScript var to PHP Session. 

<?php session_start(); ?>

<html>
<head>

<script type="text/javascript">
function disp_text()
   {
      var p = document.myform.mylist.value;
      <?php $_SESSION['color'] ?> = p;
      <?php echo $_SESSION['color'] ?>;
   }
</script>

</head>
<body>

<FORM NAME="myform">
<SELECT NAME="mylist" onChange="disp_text()">
<OPTION VALUE="m1">Red
<OPTION VALUE="m2">Blue
<OPTION VALUE="m3">Green
</SELECT>
</FORM>

Thanks for any help.

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1 Answer

  1. Editorial Team

    And another one for the count… JavaScript runs on the user’s computer, PHP runs on the server. View the page source (right-click, View Source) and you will see exactly why it doesn’t work:

    <script type="text/javascript">
function disp_text()
   {
      var p = document.myform.mylist.value;
      = p;
      ;
   }
</script>

    The only way to get JS variables into PHP is via a form (which I am using loosely to include AJAX).

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