Facebook like for multilanguage drupal website

facebook div

<div class="fb-like" data-href="#" data-layout="standard" data-action="like" data-show-faces="false" data-share="true"></div>

html.tpl.php

  <div id="fb-root"></div>
  <script>(function(d, s, id) {
    var js, fjs = d.getElementsByTagName(s)[0];
    if (d.getElementById(id)) return;
    js = d.createElement(s); js.id = id;
    js.src = "//connect.facebook.net/<?php print $facebook_language; ?>/all.js#xfbml=1";
    fjs.parentNode.insertBefore(js, fjs);
  }(document, 'script', 'facebook-jssdk'));</script>

template.php

<?php
/**
 * Override or insert variables into the html templates.
 *
 * @param $variables
 *   An array of variables to pass to the theme template.
 * @param $hook
 *   The name of the template being rendered ("html" in this case.)
 */
function theme_preprocess_html(&$variables, $hook) {
  $facebook_languages = array(
    'en' => 'en_US',
    'hu' => 'hu_HU',
  );
  $variables['facebook_language'] = $facebook_languages[$variables['language']->language];
}