问题描述
我想用 isDirty 方法检查模型是否已更改,但总是返回 false.
I want to check if the model has been changed with isDirty method, but always returns false.
这是我的代码:
if (!is_null($partnersData)) { foreach ($partnersData as $partnerData) { $partner = Partner::find($partnerData['partner_id']); $partner->update($partnerData); if($partner->isDirty()){ dd('true'); } } }
推荐答案
$model->update() 更新并保存模型.因此,$model->isDirty() 等于 false,因为自上次执行查询(查询数据库以保存模型)以来,模型没有更改.
$model->update() updates and saves the model. Therefore, $model->isDirty() equals false as the model has not been changed since the last executed query (which queries the database to save the model).
尝试像这样更新模型:
$partner = Partner::find($id); foreach ($partnerData as $column => $value) { if ($column === 'id') continue; $partner->$column = $value; } if ($partner->isDirty()) { // should be dirty now } $partner->save(); // $partner will be not-dirty from here