EXCELIA_DBARR/custom/booking/reservation_intervalchange.php

<?php
require_once 'reservation.class.php';
$reservation = new Reservation();
$time1Value = $_POST['from'];
$time2Value = $_POST['to'];
$profile = $_POST['profile'];

$profiles = [
    "1" => ["id" => 1, "idclass" => "SwimmingPoolLine", "name" => "SwimmingPool", "lines" => "6", "type" => 'H', "frameName" => "SwimmingPoolTitle"],
    "2" => ["id" => 2, "idclass" => "PoolLine", "name" => "Pool", "lines" => "4", "type" => 'V', "frameName" => "PoolTitle"],
    "3" => ["id" => 3, "idclass" => "PoloLine", "name" => "Polo", "lines" => "3", "type" => 'V', "frameName" => "PoloTitle"]
];


print $reservation->selectedProfileWithTimes($profiles[$profile], [$time1Value, $time2Value]);