/**
  * Transient update themes filter
  *
  * @see https://github.com/WordPress/WordPress/blob/3.7/wp-includes/option.php#L1030
  *
  * @param array $update_themes
  * @return array
  */
 public function transient_update_themes_filter($update_themes)
 {
     if (is_object($update_themes) && isset($update_themes->response) && is_array($update_themes->response)) {
         $pronamic_themes = pronamic_client_get_themes();
         $themes = array();
         foreach ($pronamic_themes as $theme) {
             $checked[$theme->get_stylesheet()] = $theme->get('Version');
             $themes[$theme->get_stylesheet()] = array('Name' => $theme->get('Name'), 'Title' => $theme->get('Name'), 'Version' => $theme->get('Version'), 'Author' => $theme->get('Author'), 'Author URI' => $theme->get('AuthorURI'), 'Template' => $theme->get_template(), 'Stylesheet' => $theme->get_stylesheet());
         }
         $options = $this->get_http_api_options(array('themes' => json_encode($themes)));
         $url = 'http://api.pronamic.eu/themes/update-check/1.1/';
         $raw_response = wp_remote_post($url, $options);
         if (is_wp_error($raw_response) || 200 !== wp_remote_retrieve_response_code($raw_response)) {
             return $update_themes;
         }
         $response = json_decode(wp_remote_retrieve_body($raw_response), true);
         if (is_array($response) && isset($response['themes'])) {
             $update_themes->response = array_merge($update_themes->response, $response['themes']);
         }
     }
     return $update_themes;
 }
    ?>

			</tbody>
		</table>

	<?php 
}
?>

	<h3><?php 
_e('Themes', 'pronamic_client');
?>
</h3>

	<?php 
$pronamic_themes = pronamic_client_get_themes();
if (empty($pronamic_themes)) {
    ?>

		<p>
			<?php 
    _e('No Pronamic themes found.', 'pronamic_client');
    ?>
		</p>

	<?php 
} else {
    ?>

		<table class="wp-list-table widefat themes" cellspacing="0">
			<thead>