PHP 忒聊 綴豖 ヶ輛 session_unset (PHP 4) Description The session_unset() function frees all session variables currently registered. 蛁: If $_SESSION (or $HTTP_SESSION_VARS for PHP 4.0.6 or less) is used, use unset() to unregister session variable. i.e. $_SESSION = array(); 綴豖 れ萸 ヶ輛 session_unregister 奻珨撰 session_write_close