<html><body>ECHO "Hello World!<br>";echo "Hello World!<br>";EcHo "Hello World!<br>"; </body><!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_syntax_case1 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:29:30 GMT --></html>