How to order by using appended attribute in Laravel

Question

I created an appends attribute in Laravel Model, from the code below.

    protected $appends = array(\'total\'=>\'\');

And I set the returne

Answer 1

the orderBy takes an actual database field not an appended one

try this

$products = Product::all();
$products = $products->sortBy(function($product){
    return $product->total;
});