psiphp / grid

        ];

        // check for invalid keys

        if ($diff = array_diff(array_keys($options), array_keys($defaults))) {

            throw new \InvalidArgumentException(sprintf(

                'Invalid grid options "%s". Valid options: "%s"',

                implode('", "', $diff), implode('", "', array_keys($defaults))

            ));

        }

        // set defaults

        $options = array_merge($defaults, $options);

            SelectCell::INPUT_NAME,

        ];

        if ($diff = array_diff(array_keys($postData), $valid)) {

            throw new \InvalidArgumentException(sprintf(

                'Unexpected keys in POST: "%s", valid keys: "%s"',

                implode('", "', $diff), implode('", "', $valid)

            ));

        }

        if (!isset($postData[ActionBar::INPUT_NAME])) {

            throw new \InvalidArgumentException(sprintf(

    private function resolveConfig(array $defaultConfig, array $config)

    {

        if ($diff = array_diff(array_keys($config), array_keys($defaultConfig))) {

            throw new \InvalidArgumentException(sprintf(

                'Invalid configuration keys "%s" for grid, valid keys: "%s"',

                implode('", "', $diff), implode('", "', array_keys($defaultConfig))

            ));

        }

        return array_merge($defaultConfig, $config);

    }