sdfgsdfg.php

<?php



interface TelegramInterface
{
    public function send();
}



class Telegram
{

    public function send(TelegramInterface $telegram)
    {
        $telegram->send();
    }

}



abstract class TelegramBase
{
 
	abstract public function createText();
  
  public function sendMessage($text){
  	//send
  }
}

class SalesNotification extends TelegramBase implements TelegramInterface
{
		public $sales;
    
    public function __construct(Sales $sales)
    {

        parent::__construct();

    
        $this->sales= sales;
  
    }
  
  

}