Merging arrays based on a value of the key

Question

I have two arrays of arrays that have an id key, and I\'d like to merge the data together based on that array\'s key and key value. The data would look somethin

Answer 1

I'd suggest using laravel's collections, since this question has the laravel tag.

$color = collect(
    ['id' => 1, 'color' => 'red'],
    ['id' => 2, 'color' => 'green'],
    ['id' => 3, 'color' => 'blue']
);

$size = collect(
    ['id' => 1, 'size' => 'SM'],
    ['id' => 2, 'size' => 'XL'],
    ['id' => 3, 'size' => 'MD'],
    ['id' => 4, 'size' => 'LG']
);

$combined = $color->merge($size);