MarkdownCommand.php

<?php
/**
 * This file is part of the TelegramBot package.
 *
 * (c) Avtandil Kikabidze aka LONGMAN <akalongman@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace PhpTelegramBot\Core\Commands\UserCommands;

use PhpTelegramBot\Core\Commands\UserCommand;
use PhpTelegramBot\Core\Entities\ReplyKeyboardMarkup;
use PhpTelegramBot\Core\Request;

/**
 * User "/markdown" command
 *
 * Print some markdown text.
 */
class MarkdownCommand extends UserCommand
{
    /**
     * @var string
     */
    protected $name = 'markdown';

    /**
     * @var string
     */
    protected $description = 'Print Markdown text';

    /**
     * @var string
     */
    protected $usage = '/markdown';

    /**
     * @var string
     */
    protected $version = '1.0.1';

    /**
     * Command execute method
     *
     * @return \PhpTelegramBot\Core\Entities\ServerResponse
     * @throws \PhpTelegramBot\Core\Exception\TelegramException
     */
    public function execute()
    {
        $message = $this->getMessage();
        $chat_id = $message->getChat()->getId();

        $data = [
            'chat_id'    => $chat_id,
            'parse_mode' => 'MARKDOWN',
            'text'       => '*bold* _italic_ `inline fixed width code`
```
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code block
```
[Best Telegram bot api!!](https://github.com/php-telegram-bot/core)
',
        ];

        return Request::sendMessage($data);
    }
}