Answers for "laravel collection unique order by"

laravel collection unique

$collection = collect([1, 1, 2, 2, 3, 4, 2]);

$unique = $collection->unique();

$unique->values()->all();

// [1, 2, 3, 4]

laravel get unique data by column and order by

$devices = Device::orderByDesc('last_updated_at')->get()->unique('serial_no');
$devices->values()->all();