Skip empty proxy code

olvlvl · olvlvl · commit 495124df331e · 2018-10-14T15:45:04.000+02:00
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
@@ -400,7 +400,11 @@ private function generateProxyClasses()
             $alreadyGenerated[$class] = true;
             // register class' reflector for resource tracking
             $this->container->getReflectionClass($class);
-            $proxyCode = "\n".$proxyDumper->getProxyCode($definition);
+            $proxyCode = $proxyDumper->getProxyCode($definition);
+            if (!$proxyCode) {
+                continue;
+            }
+            $proxyCode = "\n".$proxyCode;
             if ($strip) {
                 $proxyCode = "<?php\n".$proxyCode;
                 $proxyCode = substr(Kernel::stripComments($proxyCode), 5);
