<html><body> $x = 75;$y = 25; function addition() { $GLOBALS['z'] = $GLOBALS['x'] + $GLOBALS['y'];}addition();echo $z;</body><!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_global_global by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:29:32 GMT --></html>