Laravel | Call to undefined function App\Http\Controllers\setBindings()

Trying to use the setBindings() function due to the raw select:

COUNT(SELECT * FROM `likes` WHERE `ip` = ? AND `article_id` = `articles`.`id`) as has_liked

Full:

  $article = Article::selectRaw(
                      '*, `articles`.`id` as article_id,
                      `categories`.`name` as category_name,
                      `categories`.`slug` as category_slug,
                      `articles`.`slug` as article_slug,
                      COUNT(`likes`.`id`) as num_likes,
                      COUNT(SELECT * FROM `likes` WHERE `ip` = ? AND `article_id` = `articles`.`id`) as has_liked
                      ')
                      ->join('categories', 'categories.id', '=', 'articles.category_id')
                      ->join('likes', 'likes.article_id', '=', 'articles.id')
                      -setBindings([$_SERVER['REMOTE_ADDR']])
                      ->where(['articles.id' => $this->article_id])
                      ->first();

Is there an extra class I need to use or something?

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