POSIX Functions
PHP Manual

posix_getgid

Return the real group ID of the current process

Description

int posix_getgid()

Return the numeric real group ID of the current process.

Parameters

This function has no parameters.

Return Values

Returns the real group id, as an int.

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
  • posix_getegid
  • posix_setgid
  • POSIX man page GETGID(2)