<?php
$apiToken = "التوكن";
$webAppUrl = "رابط الموقع";

$update = json_decode(file_get_contents("php://input"), TRUE);
$chatId = $update["message"]["chat"]["id"];

$keyboard = [
'inline_keyboard' => [
[
[
'text' => 'افتح الموقع',
'web_app' => ['url' => $webAppUrl]
]
]
]
];

$data = [
'chat_id' => $chatId,
'text' => "اهلا بك في البوت",
'reply_markup' => json_encode($keyboard)
];

file_get_contents("https://api.telegram.org/bot$apiToken/sendMessage?" . http_build_query($data));