session_unregister

session_unregister

(PHP 4, PHP 5)

session_unregisterUnregister a global variable from the current session

说明

bool session_unregister ( string $name )

session_unregister() unregisters the global variable named name from the current session.

Warning

自 PHP 5.3.0 起,已经废弃此函数。强烈建议不要应用此函数 。

参数

name

The variable name.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE.

注释

Note:

If $_SESSION (or $HTTP_SESSION_VARS for PHP 4.0.6 or less) is used, use unset() to unregister a session variable. Do not unset() $_SESSION itself as this will disable the special function of the $_SESSION superglobal.

Caution

This function does not unset the corresponding global variable for name, it only prevents the variable from being saved as part of the session. You must call unset() to remove the corresponding global variable.

Caution

If you are using $_SESSION (or $HTTP_SESSION_VARS), do not use session_register(), session_is_registered() and session_unregister().


  • 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_status
  • session_unregister
  • session_unset
  • session_write_close
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