PHP 4, PHP 5, PHP 7, PHP 8
posix_setgid - Set the GID of the current process
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posix_setgid( int$group_id ): bool

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


If the caller is a super user, this will also set the effective group id.



The group id.

Return Values

Returns true on success or false on failure.

Related Functions

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