<?php
$app_name = $_POST['app'];
$sender = $_POST['sender'];
$message = $_POST['message'];
$phone = $_POST['phone'];
$group_name = $_POST['group_name'];

$response = array("reply" => "1 $app_name
2 $sender
3 $message
4 $phone
5 $group_name");

echo json_encode($response);