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# posix_setgid

(3.0.13 - 3.0.18 only, PHP 4 >= 4.0.0)

posix_setgid -- Set the 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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