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[PropertyInfo] Mentioned that property types can be extracted from constructor too #11896

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Jul 10, 2019
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[PropertyInfo] Mentioned that property types can be extracted from constructor too #11896

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10 changes: 8 additions & 2 deletions components/property_info.rst
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Expand Up @@ -351,8 +351,9 @@ ReflectionExtractor

Using PHP reflection, the :class:`Symfony\\Component\\PropertyInfo\\Extractor\\ReflectionExtractor`
provides list, type and access information from setter and accessor methods.
It can also give the type of a property, and if it is initializable through the
constructor. It supports return and scalar types for PHP 7::
It can also give the type of a property (even extracting it from the constructor
arguments), and if it is initializable through the constructor. It supports
return and scalar types for PHP 7::

use Symfony\Component\PropertyInfo\Extractor\ReflectionExtractor;

Expand All @@ -371,6 +372,11 @@ constructor. It supports return and scalar types for PHP 7::
// Initializable information
$reflectionExtractor->isInitializable($class, $property);

.. versionadded:: 4.1

The feature to extract the property types from constructor arguments was
introduced in Symfony 4.1.

.. note::

When using the Symfony framework, this service is automatically registered
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