AddSecretToUsers::change PHP Метод

    public function change()
    {
        $table = $this->table('users');
        /**
         * Limiting secret field to 32 chars
         * @see https://en.wikipedia.org/wiki/Google_Authenticator#Technical_description
         */
        $table->addColumn('secret', 'string', ['after' => 'activation_date', 'default' => null, 'limit' => 32, 'null' => true]);
        $table->addColumn('secret_verified', 'boolean', ['after' => 'secret', 'default' => null, 'null' => true]);
        $table->update();
    }