--TEST-- Bug #69202 (FILTER_FLAG_STRIP_BACKTICK ignored unless other flags are used) --SKIPIF-- <?php if (!extension_loaded("filter")) die("skip"); ?> --FILE-- <?php var_dump(filter_var("``a`b`c``", FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_BACKTICK)); var_dump(filter_var("``a`b`c``", FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_LOW | FILTER_FLAG_STRIP_BACKTICK)); var_dump(filter_var("``a`b`c``", FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_HIGH | FILTER_FLAG_STRIP_BACKTICK)); var_dump(filter_var("``a`b`c``", FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_LOW | FILTER_FLAG_STRIP_HIGH)); ?> --EXPECT-- string(3) "abc" string(3) "abc" string(3) "abc" string(9) "``a`b`c``"