php - Laravel 5.2 Eloquent hasOne relationship doesn't work -

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i have relationship in chat model

public function user() {     return $this->hasone(user::class,'id','writers_id'); }

and want use in controller. tryed many ways, no 1 worked. giving last try example (result - blank page).

print_r($chat = chat::where('id', 1)->first()->user);

can me? thanks! don't understand eloquent, used simple db query maker before, said should every database stuff in model. correct? sorry poor english!

first mentioned @vohuman 

return $this->hasone('app\user', 'id', 'writers_id');

and when using it:

chat::where('id', 1)->first()->user()->first()->attribute

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