PHP 忒聊 綴豖 ヶ輛 session_is_registered (PHP 4) Description session_is_registered() returns TRUE if there is a global variable with the name name registered in the current session. 蛁: If $_SESSION (or $HTTP_SESSION_VARS for PHP 4.0.6 or less) is used, use isset() to check a variable is registered in $_SESSION. 蛁砩 If you are using $_SESSION (or $HTTP_SESSION_VARS), do not use session_register(), session_is_registered() and session_unregister(). 綴豖 れ萸 ヶ輛 session_id 奻珨撰 session_module_name