x
<html><body>$x = 20; $x += 100;echo $x; </body><!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_oper_addition2 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 16:49:33 GMT --></html>
120