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Add note about the property attribute (Property Accessor) #3124

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Add note about the property attribute (Property Accessor)
raziel057 Oct 29, 2013
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Update entity.rst
raziel057 Mar 5, 2014
c097f9b
Update entity.rst
raziel057 Mar 5, 2014
7496e68
Update entity.rst
raziel057 Mar 5, 2014
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Update entity.rst
raziel057 Mar 18, 2014
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14 changes: 14 additions & 0 deletions reference/forms/types/entity.rst
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Expand Up @@ -96,6 +96,20 @@ This is the property that should be used for displaying the entities
as text in the HTML element. If left blank, the entity object will be
cast into a string and so must have a ``__toString()`` method.

.. note::

The ``property`` option is the property path used to display the option. So you
can use anything supported by the
:doc:`PropertyAccessor component </components/property_access/introduction>`

For example, if the translations property is actually an associative array of
objects, each with a name property, then you could do this::

$builder->add('gender', 'entity', array(
'class' => 'MyBundle:Gender',
'property' => 'translations[en].name',
));

group_by
~~~~~~~~

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