how can you inform the web app that a user is already logged in?

[frijole]

I do not yet understand how the [session] variable works yet. I want to be able to tell all the pages on the site that the user is logged in so that specific items can be shown, or not shown. Is this the right direction for me to look to figure this out?

[p2grace]

You set a session upon logging in and save that users id in a session variable.  Then just check if that session variable exists before showing any content.

[frijole]

how can you transfer that variable to a new page?

[craygo]

You have to use session_start(); on every page you use. When someone logs in you can store it.

 

$_SESSION['login'] = 1;

$_SESSION['username'] = $namevariable;

 

Now anytime you want to know the person who is logged in just call the session variable

 

echo $_SESSION['username'];

 

if you want to check use something like

<?php
if($_SESSION['login'] == 1){
//page content here
echo "welcome ".$_SESSION['username'];
} else {
echo "you are not logged in
}
?>

 

Ray

[frijole]

awesome, that was very clear. Thank You.