Ларавел уменьшается
$collection = collect([1, 2, 3]);
$total = $collection->reduce(function ($carry, $item) {
return $carry + $item;
});
// 6
$total = $collection->reduce(function ($carry, $item) {
return $carry + $item;
}, 4);
// 10 | where 4 is a initial value
Lokesh003