posix_seteuid

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

posix_seteuid — Set the effective UID of the current process

说明

posix_seteuid ( int $uid ) : 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

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_geteuid() - Return the effective user ID of the current process
posix_setuid() - Set the UID of the current process
posix_getuid() - Return the real user ID of the current process