php - Trouble with session variables

Solution:

Rather than:

$userID = $sessionID;
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Use:

$userID = $_SESSION['sessionID']
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You need to specify the$_SESSION there because that is the array you stored the value in :)

Have a look at this session tutorial if you want.

Solution:

On the second page, you'll need to say

$userID = $_SESSION['sessionID'];
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Solution:

You need to do the following on page 2:

session_start();
$userID = $_SESSION['sessionID'];
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You also need to use $_SESSION, not $_session