--TEST-- htmlentities() test 12 (default_charset / ISO-8859-1) --INI-- output_handler= mbstring.internal_encoding=pass default_charset=ISO-8859-1 --FILE-- <?php print ini_get('default_charset')."\n"; var_dump(htmlentities("\xe4\xf6\xfc", ENT_QUOTES, '')); ?> --EXPECT-- ISO-8859-1 string(18) "äöü"