average() Method | Laravel Collection Example

In this post, you will learn how to average to price in the collection using the laravel average method. Laravel provides a method for averaging the collection of the amount given.

We can calculate the given price of the array for all of the items in the collection by simply passing the value in the param key or a simple array will make it average.

The average method is a useful method for calculating array prices all into an average sum.

In the first example simple average is given while the second example gives average with key param pass in example 3 take with tax average with price and example 4 take only active status make average only.

Example : average() | Collection Example

Here below are four working examples given to understand the average method how to use in the collection, also you can use in collection method in model eloquent.

// EXAMPLE 1

    $data = [
        10,
        20,
        30
    ];

    $collection = collect($data)->average();

// OUTPUT EXAMPLE 1

    // 20

// ---------------------------------------------------

// EXAMPLE 2

    $data = [
        ['price' => 100],
        ['price' => 200],
        ['price' => 300],
    ];

    $collection = collect($data)->average('price');

// OUTPUT EXAMPLE 2

    // 200

// ---------------------------------------------------

// EXAMPLE 3

   $data = [
        ['price' => 100, 'tax' => 50],
        ['price' => 200, 'tax' => 50],
        ['price' => 300, 'tax' => 50],
    ];

    $collection = collect($data)->average(function($item){
        return $item['price'] + $item['tax'];
    });

// OUTPUT EXAMPLE 3

    // 250

// ---------------------------------------------------

// EXAMPLE 4

    $data = [
        ['price' => 100, 'tax' => 50, 'status' => true],
        ['price' => 200, 'tax' => 50, 'status' => true],
        ['price' => 300, 'tax' => 50, 'status' => false]
    ];

    $collection = collect($data)->average(function($item){

        if($item['status']){
            return null;
        }

        return $item['price'] + $item['tax'];
    });

// OUTPUT EXAMPLE 4

    // 350

Above example will help you to make average calculate of amount in collection laravel.

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