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
) : boolSet 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
- 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