8000 Improved description of choice_list option by javiereguiluz · Pull Request #5428 · symfony/symfony-docs · GitHub
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Improved description of choice_list option #5428

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Jun 23, 2015
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Improved description of choice_list option #5428

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improved description of choice_list option of Choice form type
Mar 2, 2015
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Completed the explanation as suggested by Ryan
javiereguiluz Jun 23, 2015
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improved description of choice_list option of Choice form type
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azielinski committed Mar 2, 2015
commit 5bc5969903e755af3a6811af3e1c63e1ee02b33c
14 changes: 12 additions & 2 deletions reference/forms/types/choice.rst
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Expand Up @@ -111,17 +111,27 @@ The ``choice_list`` option must be an instance of the ``ChoiceListInterface``.
For more advanced cases, a custom class that implements the interface
can be created to supply the choices.

With this option you can also allow float values to be selected as data.
With this option you can also allow float values to be selected as data. For example:

.. code-block:: php

use Symfony\Component\Form\Extension\Core\ChoiceList\ChoiceList;

// ...
$builder->add('status', 'choice', array(
'choice_list' => new ChoiceList(array(1, 0.5), array('Full', 'Half'))
'choice_list' => new ChoiceList(array(1, 0.5, 0.1), array('Full', 'Half', 'Almost empty'))
));

The ``status`` field created by the code above will be rendered as:

.. code-block:: html

<select name="status">
<option value="0">Full</option>
<option value="1">Half</option>
<option value="2">Almost empty</option>
</select>

.. include:: /reference/forms/types/options/empty_value.rst.inc

.. include:: /reference/forms/types/options/expanded.rst.inc
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