--TEST-- Bug #67167: filter_var(null,FILTER_VALIDATE_BOOLEAN,FILTER_NULL_ON_FAILURE) returns null --SKIPIF-- <?php if (!extension_loaded("filter")) die("skip"); ?> --FILE-- <?php var_dump(filter_var( null, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE )); --XFAIL-- Requires php_zval_filter to not use convert_to_string for all filters. --EXPECTF-- NULL