gistfile1.txt

dig@dev:/data1/www/catdevng.office.dig/ssl-htdocs/catdev/mj/trunk$ php mixa_test.php 
<?php
return array (
  'factories' => 
  array (
    'Test' => 'function ($serviceManager) {
                $form = new SomeModule\\Form\\User();

                // Retrieve a dependency from the service manager and inject it!
                $form->setInputFilter($serviceManager->get(\'UserInputFilter\'));
                return $form;
            }
            ',
  ),
);

in

$xml =<<<'XML'
<service_manager>
    <factories>
            <Test>function ($serviceManager) {
                $form = new SomeModule\Form\User();

                // Retrieve a dependency from the service manager and inject it!
                $form->setInputFilter($serviceManager->get('UserInputFilter'));
                return $form;
            }
            </Test>
    </factories>
</service_manager>
XML;

$reader = new Zend\Config\Reader\Xml();

$config = new Zend\Config\Config($reader->fromString($xml));

$writer = new Zend\Config\Writer\PhpArray();

echo $writer->toString($config);