function getAvailableDropdown() { $bed_array = array("sgl", "dbl", "tpl"); $meal_array = array("ro", "bb", "hb", "fb"); $bed_string = ""; $meal_string = ""; $roomTypeId = $_REQUEST['roomTypeId']; $display_rate_in = $_SESSION['display_rate_in']; // 'USD'; for ($x = 0; $x < count($bed_array); $x++) { for ($y = 0; $y < count($meal_array); $y++) { $room_bed_type = $bed_array[$x]; $room_meal_type = $meal_array[$y]; $_SESSION['display_rate_in'] = $display_rate_in; // number of days $day = 86400; $startTime = strtotime($_SESSION['check_in_date']); $endTime = strtotime($_SESSION['check_out_date']); $numDays = round(($endTime - $startTime) / $day); $hotelRoomRates = new HotelRoomRates(); $hotelRoomRates->setHotelRoomTypeId($roomTypeId); $room_rate = $hotelRoomRates->getRateInRoomType($room_bed_type, $room_meal_type); if ($room_rate == 0) { $bed_string[] = $room_bed_type; $meal_string[] = $room_meal_type; } } } $final_array = ''; foreach ($meal_string as $a) { $final_array .= $a . ','; } $retun_arr = array("final_array" => $final_array); echo json_encode($retun_arr); }