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Calling variables to sub function?

Hasan Tıngır
1#
Hasan Tıngır Published in 2017-12-05 21:53:20Z

This question already has an answer here:

  • Accessing outside variable using anonymous function as params 2 answers

I have a post variable and I want to use it my sub function. How can I do that ? When I tried it says "Undefined Variable".

Controller

public function getSingle($slug){

    $post = Post::where('slug',$slug)->first();

    $related_categories_posts = Post::whereHas('categories',function ($query){
        $query->where('category_name', $post->categories->category_name);
    })
    ->take(3)
    ->get();



    return view('frontend.single')
            ->with('post',$post)
            ->with('related_categories_posts',$related_categories_posts);
}

Any advice ?

SamHecquet
2#
SamHecquet Reply to 2017-12-05 22:01:52Z

You need to pass this variable to the function by using use as described in the docs.

$related_categories_posts = Post::whereHas('categories', function ($query) use ($post){
    $query->where('category_name', $post->categories->category_name);
})
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