SimpleMachines / SMF2.1

	$groups = array_diff($groups, $implicitGroups);

	// Don't forget the protected groups.

	if (!allowedTo('admin_forum') && !$ignoreProtected)

	{

		$request = $smcFunc['db_query']('', '

			SELECT id_group

			FROM {db_prefix}membergroups

			WHERE group_type = {int:is_protected}',

			array(

				'is_protected' => 1,

			)

		);

		$protected_groups = array(1);

		while ($row = $smcFunc['db_fetch_assoc']($request))

			$protected_groups[] = $row['id_group'];

		$smcFunc['db_free_result']($request);

		// If you're not an admin yourself, you can't touch protected groups!

		$groups = array_diff($groups, array_unique($protected_groups));

	}

	// Only continue if there are still groups and members left.

	if (empty($groups) || empty($members))

	global $profile_vars, $old_profile, $context, $smcFunc, $cur_profile;

	// Do we need to protect some groups?

	if (!allowedTo('admin_forum'))

	{

		$request = $smcFunc['db_query']('', '

			SELECT id_group

			FROM {db_prefix}membergroups

			WHERE group_type = {int:is_protected}',

			array(

				'is_protected' => 1,

			)

		);

		$protected_groups = array(1);

		while ($row = $smcFunc['db_fetch_assoc']($request))

			$protected_groups[] = $row['id_group'];

		$smcFunc['db_free_result']($request);

		$protected_groups = array_unique($protected_groups);

	}

	// The account page allows the change of your id_group - but not to a protected group!

	if (empty($protected_groups) || count(array_intersect(array((int) $value, $old_profile['id_group']), $protected_groups)) == 0)