comparison vendor/symfony/dependency-injection/LazyProxy/ProxyHelper.php @ 17:129ea1e6d783

Update, including to Drupal core 8.6.10

             $type = method_exists($r, 'getReturnType') ? $r->getReturnType() : null;
         }
         if (!$type) {
             return;
         }
-        if (!is_string($type)) {
+        if (!\is_string($type)) {
             $name = $type instanceof \ReflectionNamedType ? $type->getName() : $type->__toString();
 
             if ($type->isBuiltin()) {
                 return $noBuiltin ? null : $name;
             }