/**
* Extend a config by merging configuration data
*
* Note that this modifies the original config as opposed to creating a new config.
* The config returned will be the same one you called `extend()` on but will have a
* modified data and types.
*
* @access public
* @param ConfigInterface $config The config with which to extend this one
* @return Config the extended config
*/
public function extend(ConfigInterface $config)
{
$this->types = array_unique(array_merge($this->getTypes(), $config->getTypes()));
$this->data = array_replace_recursive($this->getData(), $config->getData());
}
