Laravel Multiple Sortby Not Working Properly

i have some issues with laravel sortBy ( laravel 5.4 ) .. based on what i read on many websites, it says that for doing multiple sortBy laravel was by using reverse order.. so i try to do that.. but still not working properly..

So here it is.. I have this collection of object...

[{
   'product_id' => 468,
   'name' => 'abc',
   'int_premi' => 10000
   'score' => 1000
   'rates' => 0,
   'views' => 0,
   'promo' => null
},{
   'product_id' => 472,
   'name' => 'bcd',
   'int_premi' => 10000
   'score' => 1000
   'rates' => 0,
   'views' => 0,
   'promo' => 'Some text here'
},{
   'product_id' => 458,
   'name' => 'def',
   'int_premi' => 10000
   'score' => 1000
   'rates' => 0,
   'views' => 0,
   'promo' => 'ABC'
}]

My Goal is to have this objects sorted following this order

score ( asc ) > int_premi ( asc ) > rates ( desc ) > promo ( as boolean ) ( desc ) > views ( desc ) > product_id ( desc )

So i write this code..

$collection->sortByDesc('product_id')->sortByDesc('views')->sortByDesc(function($arr,$k){
                            return !empty($arr->promo);
    })->sortByDesc('rates')->sortBy('int_premi')->sortBy('score')->values()->all()

I'm looking for the result comes with this order

BCD > DEF > ABC

Instead, not following that order..

So is there anyone also facing the same issue with me ? and maybe someone can help me out through this issue ?

Thankyou Very much

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