[Phptest-users] Edit users error

[Dimacale Andy - Millville]

When I try to give a user right to add other users in their group, I get the
following error:

Select the groups which this user will have permission to add, edit and
delete users from.
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Fatal error: Call to undefined function: get_group_id() in c:\program
files\apache group\apache\htdocs\phptest\edit_user.php on line 79