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Nov 16, 2017
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More Symfony 4 updates for the service tags article #8655

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27 changes: 18 additions & 9 deletions service_container/tags.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -129,11 +129,13 @@ Then, define the chain as a service:

.. code-block:: yaml

# config/services.yaml
services:
App\Mail\TransportChain: ~

.. code-block:: xml

<!-- config/services.xml -->
<?xml version="1.0" encoding="UTF-8" ?>
<container xmlns="http://symfony.com/schema/dic/services"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
Expand All @@ -147,6 +149,7 @@ Then, define the chain as a service:

.. code-block:: php

// config/services.php
use App\Mail\TransportChain;

$container->autowire(TransportChain::class);
Expand All @@ -162,6 +165,7 @@ For example, you may add the following transports as services:

.. code-block:: yaml

# config/services.yaml
services:
Swift_SmtpTransport:
arguments: ['%mailer_host%']
Expand All @@ -172,6 +176,7 @@ For example, you may add the following transports as services:

.. code-block:: xml

<!-- config/services.xml -->
<?xml version="1.0" encoding="UTF-8" ?>
<container xmlns="http://symfony.com/schema/dic/services"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
Expand All @@ -193,6 +198,7 @@ For example, you may add the following transports as services:

.. code-block:: php

// config/services.php
$container->register(\Swift_SmtpTransport::class)
->addArgument('%mailer_host%')
->addTag('app.mail_transport');
Expand Down Expand Up @@ -245,18 +251,18 @@ Register the Pass with the Container
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

In order to run the compiler pass when the container is compiled, you have to
add the compiler pass to the container in the ``build()`` method of your
bundle::
add the compiler pass to the container in a :doc:`bundle extension </bundles/extension>`
or from your kernel::

// src/AppBundle.php

// ...
use Symfony\Component\DependencyInjection\ContainerBuilder;
// src/Kernel.php
use App\DependencyInjection\Compiler\MailTransportPass;
// ...

class AppBundle extends Bundle
class Kernel extends Kernel
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@yceruto yceruto Nov 16, 2017 •
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namespace App; + use ... as BaseKernel; + ... extends BaseKernel?

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fixed in 1a3be43

{
public function build(ContainerBuilder $container)
// ...

protected function build(ContainerBuilder $container)
{
$container->addCompilerPass(new MailTransportPass());
}
Expand Down Expand Up @@ -310,6 +316,7 @@ To answer this, change the service declaration:

.. code-block:: yaml

# config/services.yaml
services:
Swift_SmtpTransport:
arguments: ['%mailer_host%']
Expand All @@ -322,6 +329,7 @@ To answer this, change the service declaration:

.. code-block:: xml

<!-- config/services.xml -->
<?xml version="1.0" encoding="UTF-8" ?>
<container xmlns="http://symfony.com/schema/dic/services"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
Expand All @@ -343,6 +351,7 @@ To answer this, change the service declaration:

.. code-block:: php

// config/services.php
$container->register(\Swift_SmtpTransport::class)
->addArgument('%mailer_host%')
->addTag('app.mail_transport', array('alias' => 'foo'));
Expand All @@ -358,8 +367,8 @@ To answer this, change the service declaration:

.. code-block:: yaml

# config/services.yaml
services:

# Compact syntax
Swift_SendmailTransport:
class: \Swift_SendmailTransport
Expand Down