Habari\Posts::extract_param PHP Метод

    public static function extract_param($paramarray, $param)
    {
        $result = array();
        if (isset($paramarray[$param])) {
            $result = array_merge($result, Utils::single_array($paramarray[$param]));
        }
        if (isset($paramarray['where'])) {
            if (is_array($paramarray['where'])) {
                foreach ($paramarray['where'] as $where) {
                    if (isset($where[$param])) {
                        $result = array_merge($result, Utils::single_array($where[$param]));
                    }
                }
            }
        }
        return count($result) ? $result : false;
    }