posix_setgid

(PHP3 >= 3.0.13, PHP4 >= 4.0b4)

posix_setgid --  Set the effective GID of the current process

Description

bool posix_setgid (int gid)

Set the real group 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. The appropriate order of function calls is posix_setgid() first, posix_setuid() last.

Returns TRUE on success, FALSE otherwise.


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