Laravel group by example. In this tutorial you will learn how to use group by with different purpose in laravel.
As well as you learn how to use laravel group with raw, laravel group by multiple, laravel group by date, laravel group by sum, laravel group by month and laravel collection group by count.
Sometime, you may confuse when use group by with laravel eloquent queries. So this tutorial will guide you how to use laravel group by with different purpose with example.
Laravel Group By Examples
This tutorial will demonstrate to you the following laravel group by eloquent method examples:
- 1: Laravel GroupBy with Collection Example
- 2: Laravel Collection Group By Preserve Key
- 3: Laravel Collection Group By with Multiple Columns
- 4: Laravel Collection Group By with Date
- 5: Laravel Collection Group By with Count
- 6: Laravel Collection Group By with Sum
1: Laravel GroupBy with Collection Example
public function index()
{
$collection = collect([
'first' => ['id'=>1, 'name'=>'Rahul', 'city' => 'Mumbai', 'country' => 'India'],
'second' => ['id'=>2, 'name'=>'Sumit', 'city' => 'New York', 'country' => 'US'],
'third' => ['id'=>3, 'name'=>'Ronak', 'city' => 'Gujarat', 'country' => 'India'],
'fourth' => ['id'=>4, 'name'=>'Harish', 'city' => 'New York', 'country' => 'US'],
]);
$grouped = $collection->groupBy('country');
dd($grouped);
}
Result:
Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[India] => Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[0] => Array
(
[id] => 1
[name] => Rahul
[city] => Mumbai
[country] => India
)
[1] => Array
(
[id] => 3
[name] => Sumit
[city] => Gujarat
[country] => India
)
)
)
[US] => Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[0] => Array
(
[id] => 2
[name] => Ronak
[city] => New York
[country] => US
)
[1] => Array
(
[id] => 4
[name] => Harish
[city] => New York
[country] => US
)
)
)
)
)
2: Laravel Collection Group By Preserve Key
here, we will use same example as above but we will pass preserve key as true. so you can compare both output and see. there is difference is “key”, here will be key name same.
$collection->groupBy('Key_Name', $preserve_key);
public function index()
{
$collection = collect([
'first' => ['id'=>1, 'name'=>'Rahul', 'city' => 'Mumbai', 'country' => 'India'],
'second' => ['id'=>2, 'name'=>'Sumit', 'city' => 'New York', 'country' => 'US'],
'third' => ['id'=>3, 'name'=>'Ronak', 'city' => 'Gujarat', 'country' => 'India'],
'fourth' => ['id'=>4, 'name'=>'Harish', 'city' => 'New York', 'country' => 'US'],
]);
$grouped = $collection->groupBy('country', True);
dd($grouped);
}
Result:
Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[India] => Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[first] => Array
(
[id] => 1
[name] => Rahul
[city] => Mumbai
[country] => India
)
[third] => Array
(
[id] => 3
[name] => Ronak
[city] => Gujarat
[country] => India
)
)
)
[US] => Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[second] => Array
(
[id] => 2
[name] => Sumit
[city] => New York
[country] => US
)
[fourth] => Array
(
[id] => 4
[name] => Harish
[city] => New York
[country] => US
)
)
)
)
)
3: Laravel Collection Group By with Multiple Columns
public function index()
{
$collection = collect([
'first' => ['id'=>1, 'name'=>'Rahul', 'city' => 'Mumbai', 'country' => 'India'],
'second' => ['id'=>2, 'name'=>'Sumit', 'city' => 'New York', 'country' => 'US'],
'third' => ['id'=>3, 'name'=>'Ronak', 'city' => 'Gujarat', 'country' => 'India'],
'fourth' => ['id'=>4, 'name'=>'Harish', 'city' => 'New York', 'country' => 'US'],
]);
$grouped = $collection->groupBy(function ($item, $key) {
return $item['country'].$item['city'];
});
dd($grouped);
}
Result:
Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[IndiaMumbai] => Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[0] => Array
(
[id] => 1
[name] => Rahul
[city] => Mumbai
[country] => India
)
)
)
[USNew York] => Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[0] => Array
(
[id] => 2
[name] => Sumit
[city] => New York
[country] => US
)
[1] => Array
(
[id] => 4
[name] => Harish
[city] => New York
[country] => US
)
)
)
[IndiaGujarat] => Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[0] => Array
(
[id] => 3
[name] => Ronak
[city] => Gujarat
[country] => India
)
)
)
)
)
4: Laravel Collection Group By with Date
public function index()
{
$collection = collect([
['id'=>1, 'name'=>'Rahul', 'created_at' => '2020-05-15 15:15:00'],
['id'=>2, 'name'=>'Sumit', 'created_at' => '2020-05-15 15:16:00'],
['id'=>3, 'name'=>'Ronak', 'created_at' => '2020-05-18 15:18:00'],
['id'=>4, 'name'=>'Harish', 'created_at' => '2020-05-19 15:10:00'],
]);
$grouped = $collection->groupBy(function($item, $key) {
return \Carbon\Carbon::createFromFormat('Y-m-d H:i:s', $item['created_at'])->format('m/d/Y');
});
dd($grouped);
}
Result:
Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[05/15/2020] => Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[0] => Array
(
[id] => 1
[name] => Rahul
[created_at] => 2020-05-15 15:15:00
)
[1] => Array
(
[id] => 2
[name] => Sumit
[created_at] => 2020-05-15 15:16:00
)
)
)
[05/18/2020] => Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[0] => Array
(
[id] => 3
[name] => Ronak
[created_at] => 2020-05-18 15:18:00
)
)
)
[05/19/2020] => Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[0] => Array
(
[id] => 4
[name] => Harish
[created_at] => 2020-05-19 15:10:00
)
)
)
)
)
5: Laravel Collection Group By with Count
public function index()
{
$collection = collect([
['id'=>1, 'name'=>'Rahul', 'created_at' => '2020-05-15 15:15:00'],
['id'=>2, 'name'=>'Sumit', 'created_at' => '2020-05-15 15:16:00'],
['id'=>3, 'name'=>'Ronak', 'created_at' => '2020-05-18 15:18:00'],
['id'=>4, 'name'=>'Harish', 'created_at' => '2020-05-19 15:10:00'],
]);
$grouped = $collection->groupBy('country')->map(function ($row) {
return $row->count();
});
dd($grouped);
}
Result:
Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[India] => 2
[US] => 2
)
)
6: Laravel Collection Group By with Sum
public function index()
{
$collection = collect([
['id'=>1, 'name'=>'Rahul', 'created_at' => '2020-05-15 15:15:00'],
['id'=>2, 'name'=>'Sumit', 'created_at' => '2020-05-15 15:16:00'],
['id'=>3, 'name'=>'Ronak', 'created_at' => '2020-05-18 15:18:00'],
['id'=>4, 'name'=>'Harish', 'created_at' => '2020-05-19 15:10:00'],
]);
$grouped = $collection->groupBy('country')->map(function ($row) {
return $row->sum('amount');
});
dd($grouped);
}
Result:
Illuminate\Support\Collection Object
(
[items:protected] => Array
(
[India] => 5000
[US] => 3000
)
)
Conclusion
In this tutorial, you have learned how to use a group by with a different purpose in laravel eloquent queries.
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