php Laravel first() vs take(1)->get()
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Laravel first() vs take(1)->get()
提问by bawsi
I'm learning laravel, and am kind of following a youtube tutorial where were building a blog. Anyway, I am trying to make a page which shows single blog post, and uses slug instead of id to show it. Anyway, this is my blog controller:
我正在学习 Laravel，并且正在关注正在构建博客的 youtube 教程。无论如何，我正在尝试制作一个显示单个博客文章的页面，并使用 slug 而不是 id 来显示它。无论如何，这是我的博客控制器：
class BlogController extends Controller {
public function getSingle($slug) {
$post = Post::where('slug', $slug)->take(1)->get();
return view('blog/single')->with('post', $post);
}
}
But this way, It wont work.. On my blog/single view, i cant access $post->title for example. But, when I do it like this:
但是这样，它就行不通了。例如，在我的博客/单一视图中，我无法访问 $post->title。但是，当我这样做时：
class BlogController extends Controller {
public function getSingle($slug) {
$post = Post::where('slug', $slug)->first();
return view('blog/single')->with('post', $post);
}
}
.. it works fine. I have access to title, body and created/updated at times.
..它工作正常。我有时可以访问标题、正文和创建/更新。
What is the reason first method wont work?
第一种方法不起作用的原因是什么？
Thank you in advance. :)
先感谢您。:)
回答by Alexey Mezenin
It's because take(1)->get()will return a collectionwith one element.
这是因为take(1)->get()将返回一个包含一个元素的集合。
first()will return element itself.
first()将返回元素本身。
