<html>
<body>
$str = chr(43);
$str2 = chr(61);
echo("2 $str 2 $str2 4");
</body>
<!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_func_string_chr3 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:51:05 GMT -->
</html>