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Home » Documentation » The Components » Routing » How to match a route based on the Host
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How to match a route based on the Host

How to match a route based on the Host

New in version 2.2: Host matching support was added in Symfony 2.2

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

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

homepage:
    path:     /
    defaults: { _controller: AcmeDemoBundle:Main:homepage }
  • XML
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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>
  • PHP
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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.

Placeholders and Requirements in Hostname Patterns

If you're using the DependencyInjection Component (or the full Symfony2 Framework), then you can use service container parameters as variables anywhere in your routes.

You can avoid hardcoding the domain name by using a placeholder and a requirement. The %domain% in requirements is replaced by the value of the domain dependency injection container parameter.

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

homepage:
    path:  /
    defaults: { _controller: AcmeDemoBundle:Main:homepage }
  • XML
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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>
        <requirement key="domain">%domain%</requirement>
    </route>

    <route id="homepage" path="/">
        <default key="_controller">AcmeDemoBundle:Main:homepage</default>
    </route>
</routes>
  • PHP
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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(
    'domain' => '%domain%',
), array(), 'm.{domain}'));

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

return $collection;

Adding a Host Regex to Imported Routes

You can set a host regex on imported routes:

  • YAML
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    # app/config/routing.yml
acme_hello:
    resource: "@AcmeHelloBundle/Resources/config/routing.yml"
    host:     "hello.example.com"
  • XML
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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="@AcmeHelloBundle/Resources/config/routing.xml" host="hello.example.com" />
</routes>
  • PHP
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    // app/config/routing.php
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.

« The Routing Component | Security »

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