posix_getgid
(PHP 4, PHP 5)
posix_getgid — Return the real group ID of the current process
Description
int posix_getgid
( void
)
Return the numeric real group ID of the current process.
Return values
Returns the real group id, as an integer.
Examples
Example#1 posix_getgid() example
This example will print out the real group id, even once the effective group id has been 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
?>
See Also
- posix_getgrgid() for information on how to convert this into a useable group name
- posix_getegid() get effective group id.
- posix_setgid() change the effective group id
- POSIX man page GETGID(2)