- xn_strlen()
- xn_substr()
- xn_urlencode()
- xn_urldecode()
- xn_json_encode()
- xn_json_decode()
- xn_encrypt()
- xn_decrypt()
- xn_message()
- xn_error()
- xn_log()
- xn_txt_to_html()
- xn_rand()
- xn_is_writable()
- humandate()
- humannumber()
- humansize()
- param()
- lang()
- url()
- pagination()
- is_robot()
- http_get()
- http_post()
- https_get()
- https_post()
- http_multi_get()
- file_replace_var()
- file_get_contents_try()
- file_put_contents_try()
- in_string()
- file_ext()
- file_pre()
- file_name()
- http_url_path()
- glob_recursive()
- rmdir_recusive()
- copy_recusive()
- _GET() _POST() _COOKIE() ...