Merge branch '4.0'

* 4.0:
  Fix tests
  PropertyInfo\DoctrineExtractor - There is bug when indexBy is meta key
  Fix PercentType error rendering.
  [minor] SCA
  [Cache] Inline some hot function calls
  fixed Silex project's URL
  fixed deprecations in tests
  fixed Twig URL
  [Cache] Add missing `@internal` tag on ProxyTrait
  fix formatting arguments in plaintext format
  Fix PSR exception context key
  Don't assume that file binary exists on *nix OS
  Fix that ESI/SSI processing can turn a \"private\" response \"public\"
  [Form] Fixed trimming choice values
  fix rendering exception stack traces
  [Routing] Fix loading multiple class annotations for invokable classes

Author: nicolas-grekas

Mapping/Factory/LazyLoadingMetadataFactory.php

@@ -160,10 +160,6 @@ public function hasMetadataFor($value)
 
         $class = ltrim(is_object($value) ? get_class($value) : $value, '\\');
 
-        if (class_exists($class) || interface_exists($class)) {
-            return true;
-        }
-
-        return false;
+        return class_exists($class) || interface_exists($class, false);
     }
 }