Group By with Sum using Laravel Collection

Today, We want to share with you Group By with Sum using Laravel Collection.In this post we will show you laravel eloquent group by relation, hear for laravel sum multiple columns we will give you demo and example for implement.In this post, we will learn about how to use sum in laravel with an example.

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Group By with Sum using Laravel Collection

There are the Following The simple About laravel select count and sum Full Information With Example and source code.

As I will cover this Post with live Working example to develop laravel get sum of column value, so the laravel add to collection is used for this example is following below.

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Laravel Collection Group By with Sum

Example

public function index()
{
    $collection = collect([
            ['id'=>1, 'name'=>'Karl Marx', 'subject' => 'Production', 'department' => 'Financial', 'salary' => 2999],
            ['id'=>2, 'name'=>'Benjamin Franklin', 'subject' => 'Purchasing', 'department' => 'Marketing', 'salary' => 1999],
            ['id'=>3, 'name'=>'Nelson Mandela', 'subject' => 'Accounting', 'department' => 'Financial', 'salary' => 3999],
            ['id'=>4, 'name'=>'Thomas Jefferson', 'subject' => 'Purchasing', 'department' => 'Marketing', 'salary' => 2999],
        ]);
  
    $grouped = $collection->groupBy('department')->map(function ($row) {
                    return $row->sum('salary');
                });
   
    dd($grouped);
}

Final Result Execute Collection Object

Illuminate\Support\Collection Object
(
    [items:protected] => Array
        (
            [Financial] => 5999
            [Marketing] => 3999
        )
)

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