public function getStegTotalLag(Lag $lag, Medlem $medlem) { global $db; $sql = "\n\t\t\tSELECT sum(steg.steg) as steg \n\t\t\tFROM " . Steg::TABLE . " steg \n\t\t\tWHERE steg.medlem_id = " . $medlem->getId() . "\n\t\t\tAND steg.datum >= '" . $lag->getStart() . "'\n\t\t\tAND steg.datum <= '" . $lag->getSlut() . "'\n\t\t"; return $db->value($sql); }