public function merge(ConfigInterface $config)
    {
        $this->data = array_replace_recursive($this->data, $config->all());
        return $this;
    }
public function merge(ConfigInterface $config)
    {
        $this->data = array_replace_recursive($this->data, $config->all());
        return $this;
    }
public function merge ( ConfigInterface $ config ) { $ this -> data = array_replace_recursive ( $ this -> data , $ config -> all ( ) ) ; return $ this ; }
Merge config from another instance

@param ConfigInterface $config
@return ConfigInterface
Merge config from another instance