src/Hash/Hash.php
protected function driver()
    {
        if ($this->getDefaultDriver() === 'argon') {
            return $this->createArgonDriver();
        } elseif ($this->getDefaultDriver() === 'argon2id') {
            return $this->createArgon2IdDriver();
        }

        return $this->createBcryptDriver();
    }
protected function driver()
    {
        if ($this->getDefaultDriver() === 'argon') {
            return $this->createArgonDriver();
        } elseif ($this->getDefaultDriver() === 'argon2id') {
            return $this->createArgon2IdDriver();
        }

        return $this->createBcryptDriver();
    }
Get the default driver.

@return mixed