posix_seteuid
(PHP 4 >= 4.0.2, PHP 5)
posix_seteuid — Set the effective UID of the current process
Description
   bool posix_seteuid
    ( int $uid
   )
  Set the real 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.
Parameters
- uid
- 
      The user id. 
Return Values
Returns TRUE on success or FALSE on failure.