Postgres::getHelp PHP Method

    function getHelp($help)
    {
        $this->getHelpPages();
        if (isset($this->help_page[$help])) {
            if (is_array($this->help_page[$help])) {
                $urls = array();
                foreach ($this->help_page[$help] as $link) {
                    $urls[] = $this->help_base . $link;
                }
                return $urls;
            } else {
                return $this->help_base . $this->help_page[$help];
            }
        } else {
            return null;
        }
    }