session funkcie
- session_cache_expire
- session_cache_limiter
- session_commit
- session_decode
- session_destroy
- session_encode
- session_get_cookie_params
- session_id
- session_is_registered
- session_module_name
- session_name
- session_regenerate_id
- session_register
- session_save_path
- session_set_cookie_params
- session_set_save_handler
- session_start
- session_unregister
- session_unset
- session_write_close