posix_seteuid

(PHP 4 >= 4.0.2, PHP 5, PHP 7, PHP 8)

posix_seteuid — Set the effective UID of the current process

说明

posix_seteuid ( int $user_id ) : bool

Set the effective user ID of the current process. This is a privileged function and needs appropriate privileges (usually root) on the system to be able to perform this function.

参数

user_id

The user id.

返回值

成功时返回 true， 或者在失败时返回 false。

参见