<?php namespace AcmeMailers;
use Mail;
abstract class Mailer {
    public function sendTo($user, $subject, $view, $data=[])
    {
        Mail::send($view, $data, function($message) use($user, $subject)
            {
                $message->to($user->email)
            ->subject($subject);
        });
    }
}


<?php namespace AcmeMailers;
use Mail;
abstract class Mailer {
    public function sendTo($user, $subject, $view, $data=[])
      {
       Mail::send($view, $data, function($message) use($user, $subject)
        {
            $message->to($user->email)
                    ->subject($subject);

          });
    }
}