title: could not find driver in laravel
body: <p>As I run <code>php artisan migrate</code> command it output </p>
  
  <blockquote>
    <p>In Connection.php line 664:<br>
    could not find driver (SQL: select * from information_schema.tables
    where t     able_schema = employee and table_name = migrations)<br>
    In PDOConnection.php line 47: 
                                could not find driver                              In PDOConnection.php line 43:
                                 could not find driver</p>
  </blockquote>
  
  <p>and also i have pdo enabled for mysql, pgsql, sqlite 
  im using ubuntu 16 and PHP Version 7.2.8 and laravel 5.5</p>