How to print all session variables currently set?

Question

Without having to call each session variable by name, is there a way to display the content of all the session variables currently set?

Answer 1

session_start();
echo '
';var_dump($_SESSION);echo '
';
// or
echo '
';print_r($_SESSION);echo '
';

NOTE: session_start(); line is must then only you will able to print the value $_SESSION