function umc_get_member_form($lot, $form = false)
{
    XMPP_ERROR_trace(__FUNCTION__, func_get_args());
    global $UMC_USER;
    $username = $UMC_USER['username'];
    $members = umc_get_active_members();
    $lot_members = umc_get_lot_members($lot);
    $out = '';
    if ($lot_members) {
        if ($form) {
            $out .= '<br>Check members you want to remove: ';
        }
        // make a form where existing members can be removed
        foreach ($lot_members as $UUID => $member) {
            // remoe all inactive members from the lot
            if (!isset($members[$UUID])) {
                XMPP_ERROR_trace("Removing inactive player {$UUID} from lot, list of active members:", $members);
                umc_lot_rem_player($UUID, $lot, 0);
            }
            if ($form) {
                $out .= "{$member} <input type=\"checkbox\" name=\"remove_member[{$UUID}]\">;";
            } else {
                $out .= "{$member}; ";
            }
        }
    } else {
        $out .= "No members";
    }
    if (!$form) {
        return $out;
    }
    $out .= "<br>Add member: <select name=\"new_member\">" . "<option value=\"none\">- none -</option>\n";
    foreach ($members as $member) {
        // do not add the lot owner
        if ($member == $username) {
            continue;
        }
        // do not add existing members again
        if (!$lot_members || !in_array($member, $lot_members)) {
            $out .= "<option value=\"{$member}\">{$member}</option>\n";
        }
    }
    $out .= "</select>";
    return $out;
}
function umc_lot_addrem()
{
    global $UMC_USER;
    $player = $UMC_USER['username'];
    $args = $UMC_USER['args'];
    /// /lotmember lot world add target
    if (count($args) <= 3) {
        umc_echo("{red}Not enough arguments given");
        umc_show_help($args);
        return;
    }
    $addrem = $args[1];
    $lot = strtolower($args[2]);
    $action = $args[3];
    $worlds = array('emp' => 'empire', 'fla' => 'flatlands', 'dar' => 'darklands', 'aet' => 'aether', 'kin' => 'kingdom', 'dra' => 'draftlands', 'blo' => 'skyblock', 'con' => 'aether');
    $world_abr = substr($lot, 0, 3);
    if (!isset($worlds[$world_abr])) {
        umc_error("Your used an invalid lot name!");
    }
    $world = $worlds[$world_abr];
    if ($player == '@Console') {
        $player = 'uncovery';
    }
    $user_id = umc_get_worldguard_id('user', strtolower($player));
    if (!$user_id) {
        umc_error("Your user id cannot be found!");
    }
    $player_group = umc_get_userlevel($player);
    $world_id = umc_get_worldguard_id('world', $world);
    if (!$world_id) {
        umc_show_help($args);
        umc_error("The lot '{$lot}' cannot be found in any world!");
    }
    if (!umc_check_lot_exists($world_id, $lot)) {
        umc_show_help($args);
        umc_error("There is no lot {$lot} in world {$world}!");
    }
    if ($action == 'snow' || $action == 'ice') {
        // check if the user has DonatorPlus status.
        if ($player_group !== 'Owner') {
            if (!stristr($player_group, 'DonatorPlus')) {
                umc_error("You need to be DonatorPlus level to use the snow/ice features!;");
            }
            $owner_switch = 0;
            // check if player is Owner of lot
            $sql = "SELECT * FROM minecraft_worldguard.region_players WHERE region_id='{$lot}' AND world_id={$world_id} AND user_id={$user_id} and Owner=1;";
            $D = umc_mysql_fetch_all($sql);
            $num = count($D);
            if ($num != 1) {
                umc_error("It appears you {$player} ({$user_id}) are not Owner of lot {$lot} in world {$world}!");
            }
        }
        // get the current status of the flags
        if ($addrem == 'add') {
            $flag = 'allow';
            umc_echo("Allowing {$action} forming on lot {$lot}... ");
        } else {
            if ($addrem == 'rem') {
                $flag = 'deny';
                umc_echo("Preventing {$action} forming on lot {$lot}... ");
            } else {
                umc_show_help($args);
            }
        }
        if ($action == 'snow') {
            $flagname = 'snow-fall';
        } else {
            if ($action == 'ice') {
                $flagname = 'ice-form';
            }
        }
        // does flag exist?
        $check_sql = "SELECT * FROM minecraft_worldguard.region_flag WHERE region_id='{$lot}' AND world_id={$world_id} AND flag='{$flagname}';";
        $D2 = umc_mysql_fetch_all($check_sql);
        $count = count($D2);
        if ($count == 0) {
            // insert
            $ins_sql = "INSERT INTO minecraft_worldguard.region_flag (region_id, world_id, flag, value) VALUES ('{$lot}', {$world_id}, '{$flagname}', '{$flag}');";
            umc_mysql_query($ins_sql, true);
        } else {
            // update
            $upd_sql = "UPDATE minecraft_worldguard.region_flag SET value='{$flag}' WHERE region_id='{$lot}' AND world_id={$world_id} AND flag='{$flagname}';";
            umc_mysql_query($upd_sql, true);
        }
        umc_echo("done!");
        umc_log('lot', 'addrem', "{$player} changed {$action} property of {$lot}");
    } else {
        if ($action == 'owner' || $action == 'give') {
            if ($player != 'uncovery' && $player != '@Console') {
                umc_error("Nice try, {$player}. Think I am stupid? Want to get banned?");
            }
            $owner_switch = 1;
        } else {
            if ($action == 'member') {
                $user_id = umc_get_worldguard_id('user', strtolower($player));
                if (!$user_id && $player !== 'uncovery') {
                    umc_error("Your user id cannot be found!");
                }
                $owner_switch = 0;
                // check if player is Owner of lot
                if ($player_group !== 'Owner') {
                    $sql = "SELECT * FROM minecraft_worldguard.region_players WHERE region_id='{$lot}' AND world_id={$world_id} AND user_id={$user_id} and Owner=1;";
                    $D3 = umc_mysql_fetch_all($sql);
                    $count = count($D3);
                    if ($count != 1) {
                        umc_error("It appears you ({$player} {$user_id}) are not Owner of lot {$lot} in world {$world}!");
                    }
                }
            } else {
                umc_echo("Action {$action} not recognized!");
                umc_show_help($args);
                return;
            }
        }
        // get list of active users
        $active_users = umc_get_active_members();
        for ($i = 4; $i < count($args); $i++) {
            $target = strtolower($args[$i]);
            // check if target player exists
            $target_id = umc_get_worldguard_id('user', strtolower($target));
            if (!$target_id) {
                umc_error("The user {$target} does not exist in the database. Please check spelling of username");
            }
            if ($player != 'uncovery') {
                $targ_group = umc_get_userlevel($target);
                if ($targ_group == 'Guest') {
                    umc_error("You cannnot add Guests to your lot!;");
                } else {
                    if (!in_array($target, $active_users)) {
                        XMPP_ERROR_trigger("{$player} tried to add {$target} to his lot {$lot}, but {$target} is not an active member!");
                        umc_error("{$target} is not an active user! You can only add people who have their own lot! See FAQ entry #32 please.");
                    }
                }
            }
            // add / remove target player from lot
            if ($addrem == 'add') {
                // make sure target is not already there
                $sql = "SELECT * FROM minecraft_worldguard.region_players WHERE region_id='{$lot}' AND world_id={$world_id} AND user_id={$target_id};";
                $D3 = umc_mysql_fetch_all($sql);
                $num = count($D3);
                if ($num == 1) {
                    umc_error("It appears {$target} is already member of lot {$lot} in world {$world}!");
                }
                // add to the lot
                umc_lot_add_player($target, $lot, 0);
                umc_echo("Added {$target} to {$lot} in the {$world}!");
            } else {
                if ($addrem == 'rem') {
                    // check if target is there at all
                    $sql = "SELECT * FROM minecraft_worldguard.region_players WHERE region_id='{$lot}' AND world_id={$world_id} AND user_id={$target_id} AND Owner={$owner_switch} LIMIT 1;";
                    $D3 = umc_mysql_fetch_all($sql);
                    $num = count($D3);
                    if ($num !== 1) {
                        umc_error("It appears user {$target} is not a member of lot {$lot} in world {$world}!");
                    }
                    umc_lot_rem_player($target, $lot, 0);
                    umc_echo("Removed {$target} from {$lot} in the {$world}!");
                } else {
                    if ($addrem == 'give') {
                        // remove all members and owners
                        umc_lot_remove_all($lot);
                        umc_lot_add_player($target, $lot, 1);
                        umc_echo("Gave {$lot} to {$target} in the {$world}! All other user removed!");
                        // logfile entry
                        umc_log('lot', 'addrem', "{$player} gave lot to {$target}");
                    } else {
                        umc_show_help($args);
                    }
                }
            }
        }
    }
    umc_ws_cmd("region load -w {$world}", 'asConsole');
}