$_SESSION lost?

Is the session value being lost in the following:

parent:

<?php
if(!empty($_SESSION['name'])) echo ($_SESSION['name']);
?>

<html>
<form>
<iframe src="child.php"/>
</iframe>

</form>

</html>

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child:

<?php
 if(!empty($_FILES)) {$_SESSION['name'] =$_FILES['file']['name']  ;
   }
?>
<html>
<body>

<form action="child.php" method="post" enctype="multipart/form-data">
<label for="file">Filename:</label>
<input type="file" name="file" id="file" />
<input type="submit" name="submit" value="Submit" />
</form>

</body>
</html>

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Can the $_SESSION value be retrieved by the parent?

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Last Comment

Dave Baldwin

8/22/2022 - Mon

ASKER CERTIFIED SOLUTION

Dave Baldwin

3/20/2012

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pillmill

3/20/2012

ASKER

Thanks. I added session_start() to the parent:

<?php
session_start(); 
if(!empty($_SESSION['name'])) ($_SESSION['name']);
?>
<html>
<form>
<iframe src="child.php" />
</iframe>
</form>
</html>

Open in new window

Session variables still seem to be unavailable.
How can I access $_SESSION set by the child?

Dave Baldwin

3/20/2012

You have to add it to ALL pages, not just the parent. It has to be identified on each page that is loaded. That includes the child page.

The PHP page on the server only 'sees' the session during the time it is processing the PHP code. When it gets to the browser, the server is already done with the session for that page. It's not a 'sticky' kind of thing.

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