<?php $loc = $_GET['loc']; $date = $_GET['date']; include "../LoadClass.php"; $readingController = new ReadingController(); $val1 = $readingController->getOxygenPercentageByLocationDate($loc, $date); $val2 = $readingController->getNitrogenPercentageByLocationDate($loc, $date); echo $val1 . ':' . $val2;