POSIX 函数
PHP Manual

posix_seteuid

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

posix_seteuidSet the effective UID of the current process

说明

bool posix_seteuid ( int $uid )

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

uid

The user id.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE

参见


POSIX 函数
PHP Manual