src/Config.php
public function save(array $options = [])
    {
        $options = array_merge(
            [
                'file'              => null,
                'writerOptions'     => []
            ],
            $options
        );

        // Simple shortcut
        $options['writerOptions']['file'] = $options['file'];

        /** @var Callable $callable */
        $callable = $this->getOption('onBeforeSave');

        if (!is_callable($callable)) {
            throw new \RuntimeException('Option "onBeforeSave" must be a callable.');
        }

        call_user_func_array($callable, [$this, $options]);

        $this->getWriter()->write($this->getData(), $options['writerOptions']);

        return $this;
    }
public function save(array $options = [])
    {
        $options = array_merge(
            [
                'file'              => null,
                'writerOptions'     => []
            ],
            $options
        );

        // Simple shortcut
        $options['writerOptions']['file'] = $options['file'];

        /** @var Callable $callable */
        $callable = $this->getOption('onBeforeSave');

        if (!is_callable($callable)) {
            throw new \RuntimeException('Option "onBeforeSave" must be a callable.');
        }

        call_user_func_array($callable, [$this, $options]);

        $this->getWriter()->write($this->getData(), $options['writerOptions']);

        return $this;
    }
Saves the configuration with the writer instance.

@param array $options - Options.

@return $this