$last_id = Config::get('system', 'dbclean-last-id-1', 0);
logger("Deleting old global item entries from item table without user copy. Last ID: ".$last_id);
$r = dba::p("SELECT `id` FROM `item` WHERE `uid` = 0 AND
NOT EXISTS (SELECT `guid` FROM `item` AS `i` WHERE `item`.`guid` = `i`.`guid` AND `i`.`uid` != 0) AND
$last_id = Config::get('system', 'dbclean-last-id-1', 0);
logger("Deleting old global item entries from item table without user copy. Last ID: ".$last_id);
$r = dba::p("SELECT `id` FROM `item` WHERE `uid` = 0 AND
NOT EXISTS (SELECT `guid` FROM `item` AS `i` WHERE `item`.`guid` = `i`.`guid` AND `i`.`uid` != 0) AND