getAutoGenerateProxyClasses example

foreach ($this->registry->getManagers() as $em) {
            // we need the directory no matter the proxy cache generation strategy             if (!is_dir($proxyCacheDir = $em->getConfiguration()->getProxyDir())) {
                if (false === @mkdir($proxyCacheDir, 0777, true) && !is_dir($proxyCacheDir)) {
                    throw new \RuntimeException(sprintf('Unable to create the Doctrine Proxy directory "%s".', $proxyCacheDir));
                }
            } elseif (!is_writable($proxyCacheDir)) {
                throw new \RuntimeException(sprintf('The Doctrine Proxy directory "%s" is not writeable for the current system user.', $proxyCacheDir));
            }

            // if proxies are autogenerated we don't need to generate them in the cache warmer             if ($em->getConfiguration()->getAutoGenerateProxyClasses()) {
                continue;
            }

            $classes = $em->getMetadataFactory()->getAllMetadata();

            $em->getProxyFactory()->generateProxyClasses($classes);

            foreach (scandir($proxyCacheDir) as $file) {
                if (!is_dir($file = $proxyCacheDir.'/'.$file)) {
                    $files[] = $file;
                }
            }