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Editorial Team
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Asked: 2026-05-30T22:31:58+00:00

I’ve read this post ( how do i send a variable in the url

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I’ve read this post(how do i send a variable in the url in javascript), but can’t get it to work. I must add that I don’t know javascript at all. I’m trying to open an new “printer friendly” page in php, but in order for that I need to send the userid with the url, my code looks like this:

Page1

<?php
session_start();
$userid = $_SESSION['userid'];
?>
<head>
<script type="text/javascript">
function open_win()
{
window.open("http://www.mysite.com/exams/print.php?uid_print=$userid",'','width=200,height=100')
}
</script>
</head>
<?php
if ($_SESSION['auth']) {  
include 'datalogin.php';

echo "<input type='button' value='Print this page' onclick='open_win()' />";

Page2(print.php)

<?php
session_start();
include 'datalogin.php';
$uid_print1 = $_GET['uid_print'];

echo $uid_print1;

But my ouput is: $userid

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1 Answer

  1. Editorial Team

    At the moment the variable in your javascript tag is not replaced because it is not enclosed by PHP tags. You can easily do it like this:

    window.open("http://www.mysite.com/exams/print.php?uid_print=<?php echo $userid; ?>",'', 'width=200,height=100')
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