The function does not calculate groups, it sets groups access list of the current process in accordance to user information in /etc/groups.
Quote from Unix manual page for initgroups:
NAME
initgroups - initialize the supplementary group access list
...
DESCRIPTION
The initgroups() function initializes the group access list by reading the
group database /etc/group and using all groups of which user is a member.
The additional group group is also added to the list.
posix_initgroups
(PHP 5 >= 5.2.0)
posix_initgroups — Calculate the group access list
Descrição
bool posix_initgroups
( string $name
, int $base_group_id
)
Calculates the group access list for the user specified in name.
Parâmetros
- name
-
The user to calculate the list for.
- base_group_id
-
Typically the group number from the password file.
Valor Retornado
Retorna TRUE em caso de sucesso ou FALSE em falhas.
Veja Também
- The Unix manual page for initgroups(3).
User Contributed Notes
posix_initgroups
posix_initgroups
victor dot kupiyanov at gmail dot com
22-Mar-2012 05:19
22-Mar-2012 05:19

posix_getuid