<html><body>$x = 100; if ($x !== 90) { echo "Hello world!";} </body><!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_oper_not by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:29:31 GMT --></html>