array_diff_ukey

Supported Versions: PHP 5 >= 5.1.0, PHP 7, PHP 8

Computes the difference of arrays using a callback function on the keys for comparison

        <?php array_diff_ukey(array $array, array ...$arrays, callable $key_compare_func): array
    

laravel/framework

<?php     public function diffKeysUsing($items, callable $callback)

    {

        return new static(array_diff_ukey($this->items, $this->getArrayableItems($items), $callback));

    }

src/Illuminate/Collections/Collection.php