PayPal\Common\PPModel::fromArray PHP Method

    public function fromArray($arr)
    {
        foreach ($arr as $k => $v) {
            if (is_array($v)) {
                $clazz = PPReflectionUtil::getPropertyClass(get_class($this), $k);
                if (PPArrayUtil::isAssocArray($v)) {
                    $o = new $clazz();
                    $o->fromArray($v);
                    $this->__set($k, $o);
                } else {
                    $arr = array();
                    foreach ($v as $nk => $nv) {
                        if (is_array($nv)) {
                            $o = new $clazz();
                            $o->fromArray($nv);
                            $arr[$nk] = $o;
                        } else {
                            $arr[$nk] = $nv;
                        }
                    }
                    $this->__set($k, $arr);
                }
            } else {
                $this->{$k} = $v;
            }
        }
    }