src/Primitive/Container/Container.php
public function random($quantity = 1)
    {
        $quantity = $this->getIntegerable($quantity);

        $result = new static;

        while($quantity--)
        {
            $result->push($this->items[$this->randomKey()]);
        }

        return $result->length() === 1 ? $result->first() : $result;
    }
public function random($quantity = 1)
    {
        $quantity = $this->getIntegerable($quantity);

        $result = new static;

        while($quantity--)
        {
            $result->push($this->items[$this->randomKey()]);
        }

        return $result->length() === 1 ? $result->first() : $result;
    }
Return pseudo-random item from Container.

@param int|IntegerContract $quantity
@return array