diff --git a/src/Symfony/Component/Routing/RouteCollection.php b/src/Symfony/Component/Routing/RouteCollection.php index 6c642300a96d3..76b1a84d9cccf 100644 --- a/src/Symfony/Component/Routing/RouteCollection.php +++ b/src/Symfony/Component/Routing/RouteCollection.php @@ -140,6 +140,10 @@ public function addCollection(self $collection) */ public function addPrefix($prefix, array $defaults = [], array $requirements = []) { + if (null === $prefix) { + @trigger_error(sprintf('Passing null as $prefix to %s is deprecated in Symfony 4.4 and will trigger a TypeError in 5.0.', __METHOD__), E_USER_DEPRECATED); + } + $prefix = trim(trim($prefix), '/'); if ('' === $prefix) { diff --git a/src/Symfony/Component/Routing/RouteCollectionBuilder.php b/src/Symfony/Component/Routing/RouteCollectionBuilder.php index eb0585bdf6e44..86013a3fa3787 100644 --- a/src/Symfony/Component/Routing/RouteCollectionBuilder.php +++ b/src/Symfony/Component/Routing/RouteCollectionBuilder.php @@ -309,7 +309,9 @@ public function build() } else { /* @var self $route */ $subCollection = $route->build(); - $subCollection->addPrefix($this->prefix); + if (null !== $this->prefix) { + $subCollection->addPrefix($this->prefix); + } $routeCollection->addCollection($subCollection); }
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