use  foo\bar\User, foo\bar\Admin, foo\bar\Book, ...  <?php
namespace Backend\Models;
use Common\Model\BaseModel as Model;
class Pages extends Model {
    protected $table = 'pages';
    protected $key;
    public function allPages() {
        while(!$rows = parent::findAll()){
            throw new \Exception('нет статей');
            
           и тд......      spl_autoload_extensions('.php');
spl_autoload_register();chdir(dirname(__DIR__));
spl_autoload_extensions('.php');
spl_autoload_register();