(PHP 5 >= 5.2.0, PHP 7)
posix_initgroups — Calculate the group access list
$name
, int $base_group_id
) : boolCalculates the group access list for the user specified in name.
name
The user to calculate the list for.
base_group_id
Typically the group number from the password file.
Returns TRUE
on success or FALSE
on failure.