diff --git a/components/routing.rst b/components/routing.rst
index bad49425614..65d629291d1 100644
--- a/components/routing.rst
+++ b/components/routing.rst
@@ -243,20 +243,23 @@ exists before using it to generate a URL. In those cases, don't use the
:method:`Symfony\\Component\\Routing\\Router::getRouteCollection` method because
that regenerates the routing cache and slows down the application.
-Instead, try to generate the URL and catch the
-:class:`Symfony\\Component\\Routing\\Exception\\RouteNotFoundException` thrown
-when the route doesn't exist::
+Instead, use the :method:`Symfony\\Component\\Routing\\Matcher\\Dumper\\CompiledUrlMatcherDumper::getCompiledRoutes`
+method to get the list of all the application routes in a performant data format::
- use Symfony\Component\Routing\Exception\RouteNotFoundException;
+ use Symfony\Component\Routing\Matcher\Dumper\CompiledUrlMatcherDumper;
- // ...
+ // if you are checking lots of routes, export this variable into a PHP file to cache it
+ $compiledRoutes = (new CompiledUrlMatcherDumper($routes))->getCompiledRoutes();
- try {
- $url = $generator->generate($dynamicRouteName, $parameters);
- } catch (RouteNotFoundException $e) {
- // the route is not defined...
+ if (\in_array($routeName, $compiledRoutes, true)) {
+ // the route exists in the application
}
+.. versionadded:: 4.3
+
+ The :class:`Symfony\\Component\\Routing\\Matcher\\Dumper\\CompiledUrlMatcherDumper`
+ class was introduced in Symfony 4.3.
+
Load Routes from a File
~~~~~~~~~~~~~~~~~~~~~~~
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