Declaring a global variable inside a function

Question

I have two PHP files. In the first I set a cookie based on a $_GET value, and then call a function which then sends this value on to the other file. This is s

Answer 1

This is a simple and working code to initialize global variable from a function :

function doit()
{
    $GLOBALS['val'] = 'bar';
}
doit();
echo $val;

Gives the output as :

bar