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popup to upload file and set session values?

Posted on 2012-03-10
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Last Modified: 2012-03-15
I would like to use a popup to upload a file and then to also
set $_SESSION values. These values should be saved after the
popup closes so that they can be used to fill fields in the main page.
The  popup, below, is not saving the $_SESSION values.
How can this be fixed?

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>

 <?php
 if(!empty($_FILES) ){
$_SESSION['name']=$_FILES['in_file']['name'];  
echo  $_SESSION['name']; //for testing
}
?>  
   
</head>

<body>

<script language="javascript" type="text/javascript">

function popitup(url) {
      newwindow=window.open(url,'name','height=200,width=150');
      if (window.focus) {newwindow.focus()}
      return false;
}

</script>

<input type="file" name="in_file" id="in_file">
<input type="submit" name="submit">

</body>
</html>
0
Comment
Question by:pillmill
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2 Comments
 
LVL 17

Expert Comment

by:Chris Harte
ID: 37704735
Even though it is a popup, it is still a separate page. You need to include the function session_start() as the first line of php in every page.

http://uk3.php.net/manual/en/function.session-start.php
0
 
LVL 111

Accepted Solution

by:
Ray Paseur earned 2000 total points
ID: 37705286
This script will not work, even if you put session_start() at the top of the PHP because it has the HTML wrapper above the start-PHP statement. That creates browser output.  Browser output cannot come before cookies.  The session handler uses cookies. Thud.

Can you describe your question in non-technical terms?  It seems like there may be a standard design pattern that will meet your needs, but it's kind of hard to understand from what I have seen so far.

Thanks and regards, ~Ray
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