<html><body>// Variable to check$str = "<h1>Hello WorldÆØÅ!</h1>";// Remove HTML tags and all characters with ASCII value > 127$newstr = filter_var($str, FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_HIGH);echo $newstr;</body><!-- Mirrored from www.w3schools.com/php7/phptryit.asp?filename=tryphp_func_sanitize_string2 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 05 Jun 2019 14:40:45 GMT --></html>