save_response.php

<?php
date_default_timezone_set('Asia/Dhaka');
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $name = $_POST["name"];
    $mobile = $_POST["mobile"];
    $email = $_POST["email"];
    $service = $_POST["service"];
    $subService = $_POST["subService"];

    $formData = array(
        "name" => $name,
        "mobile" => $mobile,
        "email" => $email,
        "service" => $service,
        "subService" => $subService,
        "submittedAt" => date("Y-m-d H:i:s")
    );

    $filePath = "responses.json";

    $existingData = file_exists($filePath) ? json_decode(file_get_contents($filePath), true) : [];
    $existingData[] = $formData;

    file_put_contents($filePath, json_encode($existingData, JSON_PRETTY_PRINT));

    echo "Thank you, $name! Your response has been saved.";
}
?>