(3.0.13 - 3.0.18 only, PHP 4 >= 4.0.0)
posix_setuid -- Set the UID of the current process
Description
bool posix_setuid (int uid)
Set the real user ID of the current process. This is a privileged function and you need
appropriate privileges (usually root) on your system to be able to perform this function.
Returns TRUE on success, FALSE otherwise. See also posix_setgid().
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