array of objects vs array of arrays

array of objects vs array of arrays.php

<?php

// 10
// 20
// 20
// 40
dd(collect([
        [
            'id' => 1,
            'price' => 10
        ],
        [
            'id' => 1,
            'price' => 20
        ],
    ])->each(function($item){
        $item['price']=$item['price']*2;
        return $item;
    }),collect([
        (object)[
            'id' => 1,
            'price' => 10
        ],
        (object)[
            'id' => 1,
            'price' => 20
        ],
    ])->each(function($item){
        $item->price=$item->price*2;
        return $item;
    }));

https://stackoverflow.com/questions/2030906/are-arrays-in-php-copied-as-value-or-as-reference-to-new-variables-and-when-pas

https://www.facebook.com/laratipsofficial/posts/121609706801514

https://www.php.net/manual/en/language.references.php

https://www.php.net/manual/en/language.oop5.references.php