command to check if connection is made to databse

[tayyabbashir2224]

i want to create a command to check if it is connected to database here is my code but not working that way
`<?php

namespace App\Telegram\Commands;

use Telegram\Bot\Commands\Command;
use Telegram;

class DatabaseStatusCommand extends Command
{
/**
* The name and signature of the console command.
*
* @var string
*/
protected $name = 'chkdb';

/**
 * The console command description.
 *
 * @var string
 */
protected $description = 'Command description';

/**
 * Create a new command instance.
 *
 * @return void
 */
public function __construct()
{
    parent::__construct();
}

/**
 * Execute the console command.
 *
 * @return int
 */
public function handle()
{
    $connectionParams = [
        'host' => env('DB_HOST'),
        'port' => env('DB_PORT'),
        'database' => env('DB_DATABASE'),
        'username' => env('DB_USERNAME'),
        'password' => env('DB_PASSWORD'),
        'charset' => 'utf8mb4',
        'collation' => 'utf8mb4_unicode_ci',
        'prefix' => '',
        'strict' => true,
        'engine' => null,
    ];

    DB::connection($connectionParams)->table('my_table')->get();
}

}
`