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当我尝试运行以下代码时出现错误我得到的错误。 Fatal error: Can't use method return value in write context in Lumen 5.2.

在我的路线中:

$app->post('oauth/access_token', function(Request $request) {

        $userverify=User::Where('username',$_POST['username'])->orWhere('email',$_POST['username'])->first();


        if($userverify){

             $request->input('username')=$userverify->email;                

        }  


        $json = array();
        try{
            $json = Authorizer::issueAccessToken();
        }catch (Exception $e){
            $json['error'] = 'invalid_credentials';
            $json['error_description'] = 'The user credentials were incorrect';
        }

        return response()->json($json);
    });

预先感谢。

4

1 回答 1

1

此错误是因为您在此处为函数的 return 语句赋值:

$request->input('username') = $userverify->email;

$request->input()仅用于检索请求值而不是设置它们。

如果您仍想在请求中添加一些值,那么您可以尝试使用以下方法:

// Add a value to the request
$request->request->add(['username' => $userverify->email]);

// Set a value in request
$request->request->set('username', $userverify->email);

希望这可以帮助。

于 2019-06-25T05:58:13.117 回答