Can I detect when a user gets to a page using the back button?

Question

Edit: What I really need to know is if there is any javascript event that will reliably fire when the user arrives at the page via the back button. I trie

Answer 1

The answer by @tkotitan was probably correct when he wrote it. His answer led me to my solution. It's not foolproof, but it might be "good enough" to help in some situations.

I improved my script and replaced it with the following. This version is for an intermediate page that now works as intermediate in both directions.

Go forward';
}
elseif($_GET['page']!=2)
{
    echo 'You cannot stay here.';
    echo '
    
    

    

        
    
    ';
}
else
{
    echo 'Welcome to page 2';
}
?>