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Table of Contents

  • Using Placeholders
  • Using Host Matching of Imported Routes
  • Testing your Controllers

How to Match a Route Based on the Host

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Warning: You are browsing the documentation for Symfony 2.3, which is no longer maintained.

Read the updated version of this page for Symfony 6.2 (the current stable version).

How to Match a Route Based on the Host

2.2

Host matching support was introduced in Symfony 2.2

You can also match on the HTTP host of the incoming request.

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  • PHP
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mobile_homepage:
    path:     /
    host:     m.example.com
    defaults: { _controller: AcmeDemoBundle:Main:mobileHomepage }

homepage:
    path:     /
    defaults: { _controller: AcmeDemoBundle:Main:homepage }
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<?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">

    <route id="mobile_homepage" path="/" host="m.example.com">
        <default key="_controller">AcmeDemoBundle:Main:mobileHomepage</default>
    </route>

    <route id="homepage" path="/">
        <default key="_controller">AcmeDemoBundle:Main:homepage</default>
    </route>
</routes>
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use Symfony\Component\Routing\RouteCollection;
use Symfony\Component\Routing\Route;

$collection = new RouteCollection();
$collection->add('mobile_homepage', new Route('/', array(
    '_controller' => 'AcmeDemoBundle:Main:mobileHomepage',
), array(), array(), 'm.example.com'));

$collection->add('homepage', new Route('/', array(
    '_controller' => 'AcmeDemoBundle:Main:homepage',
)));

return $collection;

Both routes match the same path /, however the first one will match only if the host is m.example.com.

Using Placeholders

The host option uses the same syntax as the path matching system. This means you can use placeholders in your hostname:

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projects_homepage:
    path:     /
    host:     "{project_name}.example.com"
    defaults: { _controller: AcmeDemoBundle:Main:mobileHomepage }

homepage:
    path:     /
    defaults: { _controller: AcmeDemoBundle:Main:homepage }
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<?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">

    <route id="projects_homepage" path="/" host="{project_name}.example.com">
        <default key="_controller">AcmeDemoBundle:Main:mobileHomepage</default>
    </route>

    <route id="homepage" path="/">
        <default key="_controller">AcmeDemoBundle:Main:homepage</default>
    </route>
</routes>
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use Symfony\Component\Routing\RouteCollection;
use Symfony\Component\Routing\Route;

$collection = new RouteCollection();
$collection->add('project_homepage', new Route('/', array(
    '_controller' => 'AcmeDemoBundle:Main:mobileHomepage',
), array(), array(), '{project_name}.example.com'));

$collection->add('homepage', new Route('/', array(
    '_controller' => 'AcmeDemoBundle:Main:homepage',
)));

return $collection;

You can also set requirements and default options for these placeholders. For instance, if you want to match both m.example.com and mobile.example.com, you use this:

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mobile_homepage:
    path:     /
    host:     "{subdomain}.example.com"
    defaults:
        _controller: AcmeDemoBundle:Main:mobileHomepage
        subdomain: m
    requirements:
        subdomain: m|mobile

homepage:
    path:     /
    defaults: { _controller: AcmeDemoBundle:Main:homepage }
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<?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">

    <route id="mobile_homepage" path="/" host="{subdomain}.example.com">
        <default key="_controller">AcmeDemoBundle:Main:mobileHomepage</default>
        <default key="subdomain">m</default>
        <requirement key="subdomain">m|mobile</requirement>
    </route>

    <route id="homepage" path="/">
        <default key="_controller">AcmeDemoBundle:Main:homepage</default>
    </route>
</routes>
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use Symfony\Component\Routing\RouteCollection;
use Symfony\Component\Routing\Route;

$collection = new RouteCollection();
$collection->add('mobile_homepage', new Route('/', array(
    '_controller' => 'AcmeDemoBundle:Main:mobileHomepage',
    'subdomain'   => 'm',
), array(
    'subdomain' => 'm|mobile',
), array(), '{subdomain}.example.com'));

$collection->add('homepage', new Route('/', array(
    '_controller' => 'AcmeDemoBundle:Main:homepage',
)));

return $collection;

Tip

You can also use service parameters if you do not want to hardcode the hostname:

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mobile_homepage:
    path:     /
    host:     "m.{domain}"
    defaults:
        _controller: AcmeDemoBundle:Main:mobileHomepage
        domain: '%domain%'
    requirements:
        domain: '%domain%'

homepage:
    path:  /
    defaults: { _controller: AcmeDemoBundle:Main:homepage }
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<?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">

    <route id="mobile_homepage" path="/" host="m.{domain}">
        <default key="_controller">AcmeDemoBundle:Main:mobileHomepage</default>
        <default key="domain">%domain%</default>
        <requirement key="domain">%domain%</requirement>
    </route>

    <route id="homepage" path="/">
        <default key="_controller">AcmeDemoBundle:Main:homepage</default>
    </route>
</routes>
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use Symfony\Component\Routing\RouteCollection;
use Symfony\Component\Routing\Route;

$collection = new RouteCollection();
$collection->add('mobile_homepage', new Route('/', array(
    '_controller' => 'AcmeDemoBundle:Main:mobileHomepage',
    'domain' => '%domain%',
), array(
    'domain' => '%domain%',
), array(), 'm.{domain}'));

$collection->add('homepage', new Route('/', array(
    '_controller' => 'AcmeDemoBundle:Main:homepage',
)));

return $collection;

Tip

Make sure you also include a default option for the domain placeholder, otherwise you need to include a domain value each time you generate a URL using the route.

Using Host Matching of Imported Routes

You can also set the host option on imported routes:

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acme_hello:
    resource: '@AcmeHelloBundle/Resources/config/routing.yml'
    host:     "hello.example.com"
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<?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="@AcmeHelloBundle/Resources/config/routing.xml" host="hello.example.com" />
</routes>
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use Symfony\Component\Routing\RouteCollection;

$collection = new RouteCollection();
$collection->addCollection($loader->import("@AcmeHelloBundle/Resources/config/routing.php"), '', array(), array(), array(), 'hello.example.com');

return $collection;

The host hello.example.com will be set on each route loaded from the new routing resource.

Testing your Controllers

You need to set the Host HTTP header on your request objects if you want to get past url matching in your functional tests.

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$crawler = $client->request(
    'GET',
    '/homepage',
    array(),
    array(),
    array('HTTP_HOST' => 'm.' . $client->getContainer()->getParameter('domain'))
);
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