Javascript debugger
Website design
↑
Set the effective 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.
This example will print out the effective group id, once changed.
<?php
echo 'My real group id is '.posix_getgid(); //20
posix_setegid(40);
echo 'My real group id is '.posix_getgid(); //20
echo 'My effective group id is '.posix_getegid(); //40
?>
posix_getgrgid() for information on how to convert a group id into a useable group name |
posix_getgid() get real group id. |
posix_setgid() change the effective group id |