posix_setuid()
posix_setuid - Set the UID of the current process
Syntax
bool posix_setuid (
int $uid)
Arguments
Description
Set the real user ID of the current process. This is a privileged function that needs appropriate privileges (usually root) on the system to be able to perform this function.
Version
PHP 4, 5
Return value
Returns TRUE on success or FALSE on failure.