留言添加验证失败,json_decode(['status' => false, 'msg' => '发布失败!']);
public function actionAddFeed()
{
$model = new FeedModel();
$model->content = Yii::$app->request->post('content');
if($model->validate()){
if($model->create())
{
return json_encode(['status' => true]);
}
}
return json_decode(['status' => false, 'msg' => '发布失败!']);
}这里json_decode报错


json_encode同样不成功

验证为空才会发表成功


验证规则
public function rules()
{
return [
[['user_id', 'content', 'created_at'], 'required'],
[['user_id', 'created_at'], 'integer'],
[['content'], 'string', 'max' => 255]
];
}想请教下验证哪错了