<link rel="alternate" type="text/html" title="Companies" hreflang="tr-TR" href="/companies-tr-TR/" />
<link rel="alternate" type="text/html" title="Companies" hreflang="en-US" href="/companies-en-US/" />

<?php

global $project;
$project = 'mysite';

global $databaseConfig;
$databaseConfig = array(
   "type" => 'MySQLDatabase',
   "server" => 'xxx',
   "username" => 'xxx',
   "password" => 'xxx',
   "database" => 'xxx',
   "path" => '',
);

Director::set_dev_servers(array(
   'localhost',
   '127.0.0.1'
));

MySQLDatabase::set_connection_charset('utf8');
SSViewer::set_theme('blackcandy');
i18n::enable();
i18n::set_locale('de_DE.UTF-8');
Translatable::enable();
Translatable::set_default_lang('de');
SiteTree::enable_nested_urls();
Director::set_environment_type("dev");
DataObject::add_extension('SiteConfig', 'CustomSiteConfig');

<?php
class Company extends DataObject
{

   static $db = array (
      'CompanyName' => 'Varchar',
   );
   
   static $has_one = array (
      'CompanyLogo' => 'Image',
      'CompanyPage' => 'CompanyPage'
   );
      
   public function getCMSFields_forPopup()
   {
      return new FieldSet(
         new TextField('CompanyName'),
         new ImageField('CompanyLogo')
      );
   }
   
}

<?php

class CompanyPage extends Page {
   
   static $db = array(
      
   );
   
   static $has_one = array(
      
   );
   
   static $has_many = array (
      'Companies' => 'Company'
   );
   
   public function getCMSFields()
   {
      $f = parent::getCMSFields();
      $f->addFieldToTab("Root.Content.Companies", new DataObjectManager(
         $this,
         'Companies',
         'Company',
         array(
            'CompanyName' => 'CompanyName',
            'CompanyLogo' => 'CompanyLogo'
         ),
         'getCMSFields_forPopup'
      ));
      return $f;
   }

}

class CompanyPage_Controller extends Page_Controller {

   public function init() {
      parent::init();
   }
   
}

<div class="typography">
   <% if Menu(2) %>
      <% include SideBar %>
      <div id="Content">
   <% end_if %>

   <% if Level(2) %>
       <% include BreadCrumbs %>
   <% end_if %>
   
      <h2>$Title</h2>
      
      <% control Companies %>
         $CompanyName<br />
         $CompanyLogo<br />
         <br />
         <hr />
         <br />
      <% end_control %>   
      

   <% if Menu(2) %>
      </div>
   <% end_if %>
</div>

public function onBeforeWrite() {
   parent::onBeforeWrite();
   $this->Locale = Translatable::get_current_locale();
}