Simple Secure PHP sessions.

This will set our session as the current time (md5 encoded)
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PHP Code:

<?php 


Start the session :

PHP Code:

session_start(); 


set our session "sid" as an md5 encoded version of our current time :

PHP Code:

$_SESSION['sid'] = md5(time()); 


set variable $sid as our session :

PHP Code:

$sid = $_SESSION['sid']; 


display our session to the page :

PHP Code:

echo $sid; 


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PHP Code:

?>

Full code :

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That's just a standard php session storing a hash of the time. What makes it secure?