posix_setgid

posix_setgid

Set the GID of the current process

bool **posix_setgid** int $group_id

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 first, last. posix_setgid``posix_setuid

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

group_idThe group id.

return.success

Voorbeeld: example

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

<?php
echo 'My real group id is '.posix_getgid(); //20
posix_setgid(40);
echo 'My real group id is '.posix_getgid(); //40
echo 'My effective group id is '.posix_getegid(); //40
?>

posix_getgrgid``posix_getgid