posix_seteuid
(PHP 4 >= 4.0.2, PHP 5, PHP 7, PHP 8)
posix_seteuid — Set the effective UID of the current process
說明
   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.
參數
- 
user_id
- 
      The user id. 
返回值
   成功時返回 true, 或者在失敗時返回 false。
  
參見
- 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