DiffRecursive.php

<?php

Collection::macro('diffRecursive', function ($comparate) {
    return $this->map(function ($item, $key) use ($comparate) {
        $comparate = $this->getArrayableItems($comparate);
        if (! isset($comparate[$key])) {
            return $item;
        }
        if (Arr::accessible($item)) {
            $item      = $this->getArrayableItems($item);
            $comparate = $this->getArrayableItems($comparate[$key]);
            $diff      = array_udiff_assoc($item, $comparate, function ($a, $b) {
                if (Arr::accessible($a)) {
                    return collect($this->getArrayableItems($a))->diffRecursive($b)->all();
                }
                if ($a == $b) {
                    return 0;
                }
                return $a < $b ? -1 : 1;
            });
            return $diff;
        }
        return $item == $comparate[$key] ? null : $item;
    })->filter();
});