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Documented the use of binary values as container params #9780

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Documented the use of binary values as container params #9780

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26f602f
Documented the use of binary values as container params
javiereguiluz May 16, 2018
4575daf
Fixed a grammar typo
javiereguiluz May 20, 2018
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37 changes: 37 additions & 0 deletions service_container/parameters.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -284,6 +284,43 @@ Setting PHP constants as parameters is also supported:
$container->setParameter('global.constant.value', GLOBAL_CONSTANT);
$container->setParameter('my_class.constant.value', My_Class::CONSTANT_NAME);

Binary Values as Parameters
---------------------------

.. versionadded:: 4.1
The support for binary values in container parameters was introduced in
Symfony 4.1

If the value of a container parameter is a binary value, set it as a base64
encoded value in YAML and XML configs and use the escape sequences in PHP:

.. configuration-block::

.. code-block:: yaml

# config/services.yaml
parameters:
some_parameter: !!binary VGhpcyBpcyBhIEJlbGwgY2hhciAH

.. 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"
xsi:schemaLocation="http://symfony.com/schema/dic/services
http://symfony.com/schema/dic/services/services-1.0.xsd">

<parameters>
<parameter key="some_parameter" type="binary">VGhpcyBpcyBhIEJlbGwgY2hhciAH</parameter>
</parameters>
</container>

.. code-block:: php

// config/services.php
$container->setParameter('some_parameter', 'This is a Bell char \x07');

PHP Keywords in XML
-------------------

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