# tgbot-dialog-id

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A library to work with Telegram bot API dialog IDs.  

Created by Daniil Gentili (https://daniil.it).  

This library was initially created for [MadelineProto](https://docs.madelineproto.xyz), an async PHP client API for the telegram MTProto protocol.  

## Installation

```bash
composer require danog/tgbot-dialog-id
```

## Usage

```php
<?php declare(strict_types=1);

use danog\DialogId\DialogType;

require 'vendor/autoload.php';

function expect(bool $expect): void
{
    if (!$expect) {
        throw new AssertionError("Not verified!");
    }
}

expect(DialogType::from(101374607) === DialogType::USER);
expect(DialogType::from(-123456789) === DialogType::CHAT);
expect(DialogType::from(-1001234567890) === DialogType::CHANNEL_OR_SUPERGROUP);
expect(DialogType::from(-1999898625393) === DialogType::SECRET_CHAT);

expect(DialogType::isUser(1099511627775) === true);
expect(DialogType::isChat(-999_999_999_999) === true);
expect(DialogType::isSupergroupOrChannel(-1997852516352) === true);
expect(DialogType::isSecretChat(-2002147483648) === true);

expect(DialogType::isUser(101374607) === true);
expect(DialogType::isChat(-101374607) === true);
expect(DialogType::isSupergroupOrChannel(-1001234567890) === true);
expect(DialogType::isSecretChat(-1999898625393) === true);

echo "OK!".PHP_EOL;
```

## API Documentation

Click [here &raquo;](https://github.com/danog/tgbot-dialog-id/blob/master/docs/index.md) to view the API documentation.