src/Bag.php
public function reject(callable $predicate)
    {
        $items = [];

        foreach ($this->items as $key => $value) {
            if (!$predicate($key, $value)) {
                $items[$key] = $value;
            }
        }

        return $this->createFrom($items);
    }
public function reject(callable $predicate)
    {
        $items = [];

        foreach ($this->items as $key => $value) {
            if (!$predicate($key, $value)) {
                $items[$key] = $value;
            }
        }

        return $this->createFrom($items);
    }
Returns a bag with the items that do not satisfy the `$predicate`. The opposite of {@see filter}.

Keys are preserved, so lists could need to be re-indexed.

@param callable $predicate Function is passed `($key, $value)`

@return static