How to Include External Routing Resources

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How to Include External Routing Resources

Simple applications can define all their routes in a single configuration file - usually app/config/routing.yml (see Routing). However, in most applications it's common to import routes definitions from different resources: PHP annotations in controller files, YAML or XML files stored in some directory, etc.

This can be done by importing routing resources from the main routing file:

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        # app/config/routing.yml
app_file:
    # loads routes from the given routing file stored in some bundle
    resource: '@AcmeOtherBundle/Resources/config/routing.yml'

app_annotations:
    # loads routes from the PHP annotations of the controllers found in that directory
    resource: '@AppBundle/Controller/'
    type:     annotation

app_directory:
    # loads routes from the YAML or XML files found in that directory
    resource: '../legacy/routing/'
    type:     directory

app_bundle:
    # loads routes from the YAML or XML files found in some bundle directory
    resource: '@AppBundle/Resources/config/routing/public/'
    type:     directory
    

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        <!-- app/config/routing.xml -->
<?xml version="1.0" encoding="UTF-8" ?>
<routes xmlns="http://symfony.com/schema/routing"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://symfony.com/schema/routing
        http://symfony.com/schema/routing/routing-1.0.xsd">

    <!-- loads routes from the given routing file stored in some bundle -->
    <import resource="@AcmeOtherBundle/Resources/config/routing.yml" />

    <!-- loads routes from the PHP annotations of the controllers found in that directory -->
    <import resource="@AppBundle/Controller/" type="annotation" />

    <!-- loads routes from the YAML or XML files found in that directory -->
    <import resource="../legacy/routing/" type="directory" />

    <!-- loads routes from the YAML or XML files found in some bundle directory -->
    <import resource="@AppBundle/Resources/config/routing/public/" type="directory" />
</routes>
    

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        // app/config/routing.php
use Symfony\Component\Routing\RouteCollection;

$collection = new RouteCollection();
$collection->addCollection(
    // loads routes from the given routing file stored in some bundle
    $loader->import("@AcmeOtherBundle/Resources/config/routing.yml")

    // loads routes from the PHP annotations of the controllers found in that directory
    $loader->import("@AppBundle/Controller/", "annotation")

    // loads routes from the YAML or XML files found in that directory
    $loader->import("../legacy/routing/", "directory")

    // loads routes from the YAML or XML files found in some bundle directory
    $loader->import("@AppBundle/Resources/config/routing/public/", "directory")
);

return $collection;
    

Note

When importing resources from YAML, the key (e.g. app_file) is meaningless. Just be sure that it's unique so no other lines override it.

Prefixing Imported Routes

You can also choose to provide a "prefix" for the imported routes. For example, suppose you want to prefix all routes in the AppBundle with /site (e.g. /site/blog/{slug} instead of /blog/{slug}):

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        # app/config/routing.yml
app:
    resource: '@AppBundle/Controller/'
    type:     annotation
    prefix:   /site
    

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        <!-- app/config/routing.xml -->
<?xml version="1.0" encoding="UTF-8" ?>
<routes xmlns="http://symfony.com/schema/routing"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://symfony.com/schema/routing
        http://symfony.com/schema/routing/routing-1.0.xsd">

    <import
        resource="@AppBundle/Controller/"
        type="annotation"
        prefix="/site" />
</routes>
    

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        // app/config/routing.php
use Symfony\Component\Routing\RouteCollection;

$app = $loader->import('@AppBundle/Controller/', 'annotation');
$app->addPrefix('/site');

$collection = new RouteCollection();
$collection->addCollection($app);

return $collection;
    

The path of each route being loaded from the new routing resource will now be prefixed with the string /site.

Adding a Host Requirement to Imported Routes

You can set the host regex on imported routes. For more information, see How to Match a Route Based on the Host.

This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.

How to Include External Routing Resources

How to Include External Routing Resources

Prefixing Imported Routes

Adding a Host Requirement to Imported Routes

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