Group By with Multiple Columns using Laravel Collection

Today, We want to share with you Group By with Multiple Columns using Laravel Collection.In this post we will show you group by query in laravel 5/6/7, hear for group by in laravel controller we will give you demo and example for implement.In this post, we will learn about laravel groupby condition with an example.

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Group By with Multiple Columns using Laravel Collection

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As I will cover this Post with live Working example to develop laravel collection sum group by, so the laravel group array by value is used for this example is following below.

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Laravel’s Collection Group By with Multiple Columns

Example

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

Final Result Execute Collection Object

Illuminate\Support\Collection Object
(
    [items:protected] => Array
        (
            [FinancialProduction] => Illuminate\Support\Collection Object
                (
                    [items:protected] => Array
                        (
                            [0] => Array
                                (
                                    [id] => 1
                                    [name] => Karl Marx
                                    [subject] => Production
                                    [department] => Financial
                                )
                        )
                )
            [MarketingPurchasing] => Illuminate\Support\Collection Object
                (
                    [items:protected] => Array
                        (
                            [0] => Array
                                (
                                    [id] => 2
                                    [name] => Benjamin Franklin
                                    [subject] => Purchasing
                                    [department] => Marketing
                                )
                            [1] => Array
                                (
                                    [id] => 4
                                    [name] => Thomas Jefferson
                                    [subject] => Purchasing
                                    [department] => Marketing
                                )
                        )
                )
            [FinancialAccounting] => Illuminate\Support\Collection Object
                (
                    [items:protected] => Array
                        (
                            [0] => Array
                                (
                                    [id] => 3
                                    [name] => Nelson Mandela
                                    [subject] => Accounting
                                    [department] => Financial
                                )
                        )
                )
        )
)

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