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Commitac1809c

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Add choice_translation_parameters option
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‎reference/forms/types/choice.rst‎

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@@ -19,6 +19,7 @@ To use this field, you must specify *either* ``choices`` or ``choice_loader`` op
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|| - `choice_loader`_|
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|| - `choice_name`_|
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|| - `choice_translation_domain`_|
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|| - `choice_translation_parameters`_|
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|| - `choice_value`_|
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|| - `expanded`_|
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|| - `group_by`_|
@@ -232,6 +233,8 @@ correct types will be assigned to the model.
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..include::/reference/forms/types/options/choice_translation_domain_enabled.rst.inc
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..include::/reference/forms/types/options/choice_translation_parameters.rst.inc
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..include::/reference/forms/types/options/choice_value.rst.inc
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..include::/reference/forms/types/options/expanded.rst.inc
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choice_translation_parameters
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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**type**: ``array``, ``callable``, ``string`` or :class:`Symfony\\Component\\PropertyAccess\\PropertyPath` **default**: ``[]``
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The choice values are translated before displaying it, so it can contain
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:ref:`translation placeholders <component-translation-placeholders>`.
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This option defines the values used to replace those placeholders. This can be
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an associative array where the keys match the choice keys and the values
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are the attributes for each choice, a callable or a property path
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(just like `choice_label`_).
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Given this translation message:
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.. configuration-block::
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.. code-block:: yaml
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# translations/messages.en.yaml
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form.order.yes: 'I confirm my order to the company %company%'
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form.order.no: 'I cancel my order'
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.. code-block:: xml
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<!-- translations/messages.en.xlf -->
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<?xml version="1.0"?>
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<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
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<file source-language="en" datatype="plaintext" original="file.ext">
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<body>
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<trans-unit id="form.order.yes">
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<source>form.order.yes</source>
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<target>I confirm my order to the company %company%</target>
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</trans-unit>
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<trans-unit id="form.order.no">
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<source>form.order.no</source>
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<target>I cancel my order</target>
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</trans-unit>
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</body>
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</file>
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</xliff>
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.. code-block:: php
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// translations/messages.fr.php
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return [
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'form.order.yes' => "I confirm my order to the company %company%",
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'form.order.no' => "I cancel my order",
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];
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You can specify the placeholder values as follows::
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$builder->add('id', null, [
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'choice' => [
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'form.order.yes' => true,
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'form.order.no' => false,
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],
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'choice_translation_parameters' => function ($choice, $key, $value) {
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if (false === $choice) {
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return [];
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}
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return ['%company%' => 'ACME Inc.']
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},
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]);
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If an array, the keys of the ``choices`` array must be used as keys::
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$builder->add('id', null, [
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'choice' => [
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'form.order.yes' => true,
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'form.order.no' => false,
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],
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'choice_translation_parameters' => [
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'form.order.yes' => ['%company%' => 'ACME Inc.'],
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'form.order.no' => [],
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],
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]);
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The translation parameters of child fields are merged with the same option of
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their parents, so children can reuse and/or override any of the parent placeholders.

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