function process_author($a)
{
return array('author_id' => $this->get_tag($a, 'wp:author_id'), 'author_login' => $this->get_tag($a, 'wp:author_login'), 'author_email' => $this->get_tag($a, 'wp:author_email'), 'author_display_name' => $this->get_tag($a, 'wp:author_display_name'), 'author_first_name' => $this->get_tag($a, 'wp:author_first_name'), 'author_last_name' => $this->get_tag($a, 'wp:author_last_name'));
}