<html><body> $str = bin2hex("Hello World!");echo($str); </body><!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_func_string_bin2hex by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:51:05 GMT --></html>