array - a two dimensional, nested array
indicated by the name of the newsgroup, every entry contains
information about the newsgroup:
$groups[newsgroup_name]['group']
Name of the newsgroup
$groups[newsgroup_name]['last']
Number of the last article
$groups[newsgroup_name]['first']
Number of the first article
$groups[newsgroup_name]['posting']
values: y - yes,
n - no,
m - moderated)
Note
This function can not be called
statically.
Warning
Especially public news server can provide more then 30.000
newsgroup. So this function may runs longer then the maximum
execution time set in the php.ini.