Set the GID of the current process

(PHP 4, PHP 5)

posix_setgidSet the GID of the current process


bool posix_setgid ( int $gid )

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.

Список параметров


The group id.

Возвращаемые значения

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.


Пример #1 posix_setgid() example

This example will print out the effective group id, once it is changed.

echo 'My real group id is '.posix_getgid(); //20
'My real group id is '.posix_getgid(); //40
echo 'My effective group id is '.posix_getegid(); //40

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