Drupal: Add class and attributes from custom blocks

gistfile1.txt

/*
* Add class and attributes from custom blocks
*/
function phptemplate_preprocess_block(&$vars) {
  if(isset($vars['block']->attributes)) {
    if(isset($vars['block']->attributes['class'])) {
      $vars['classes_array'] = array_merge($vars['classes_array'], $vars['block']->attributes['class']);
      unset($vars['block']->attributes['class']);
    }
    if(!empty($vars['block']->attributes)) {
      $vars['attributes_array'] = array_merge($vars['attributes_array'], $vars['block']->attributes);
    }
  }
}