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[Form] added prototype_data option in CollectionType #6450

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Merged
merged 2 commits into from
Apr 18, 2016
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[Form] added prototype_data option in CollectionType #6450

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e18dc1f
[Form] Document CollectionType's `prototype_data`
kgilden Oct 24, 2014
95bda57
[Form] defined default and added example CollectionType `prototype_da…
HeahDude Apr 9, 2016
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26 changes: 26 additions & 0 deletions reference/forms/types/collection.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ photos).
| | - `entry_options`_ |
| | - `entry_type`_ |
| | - `prototype`_ |
| | - `prototype_data`_ |
| | - `prototype_name`_ |
+-------------+-----------------------------------------------------------------------------+
| Inherited | - `by_reference`_ |
Expand Down Expand Up @@ -363,6 +364,31 @@ rendering your form, having the entire "form row" may be easier for you.
For details on how to actually use this option, see the above example as
well as :ref:`cookbook-form-collections-new-prototype`.

prototype_data
~~~~~~~~~~~~~~

.. versionadded:: 2.8
The ``prototype_data`` option was introduced in Symfony 2.8.

**type**: ``mixed`` **default**: ``null``

Allows you to define specific data for the prototype. Each new row added will
initially contain the data set by this option. By default, the data configured
for all entries with the ``entry_options`` option will be used.

.. code-block:: php

use Symfony\Component\Form\Extension\Core\Type\CollectionType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
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The use statements are useless now. :)

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Right, I made another commit to do that change in all examples, so you can easily revert it in 3.0+ branches. Thanks!

// ...

$builder->add('tags', CollectionType::class, array(
'entry_type' => TextType::class,
'allow_add' => true,
'prototype' => true,
'prototype_data' => 'New Tag Placeholder',
));

prototype_name
~~~~~~~~~~~~~~

Expand Down