<?php

if (isset($update->message)) {
    $message      = $update->message ?? '';
    $message_id   = $message->message_id ?? '';
    $text         = $message->text ?? '';
    $from_id      = $message->from->id ?? '';
    $chat_id      = $message->chat->id ?? '';
    $user_name    = $message->from->username ?? 'ندارد';
    $first_name   = htmlspecialchars($message->from->first_name, ENT_QUOTES, 'UTF-8') ?? '';
    $last_name    = $message->from->last_name ?? '';
    $full_name    = trim("$first_name $last_name") ?? '';
    $phone_number = $message->contact->phone_number ?? 'ثبت نشده';
    $photo        = $message->photo ?? '';
    $photo_id     = $photo ? $photo[count($photo) - 1]->file_id : '';
}

if (isset($update->callback_query)) {
    $from_id     = $update->callback_query->from->id ?? '';
    $chat_id     = $update->callback_query->message->chat->id ?? '';
    $data        = $update->callback_query->data ?? '';
    $query_id    = $update->callback_query->id ?? '';
    $type        = $update->callback_query->message->chat->type ?? '';
    $message_id  = $update->callback_query->message->message_id ?? '';
}