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Document named arguments BC policy #14566

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Nov 20, 2020
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Document named arguments BC policy #14566

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10 changes: 7 additions & 3 deletions contributing/code/bc.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,7 @@ backward compatibility promise:
+-----------------------------------------------+-----------------------------+
| Type hint against the interface | Yes |
+-----------------------------------------------+-----------------------------+
| Call a method | Yes |
| Call a method | Yes [10]_ |
+-----------------------------------------------+-----------------------------+
| **If you implement the interface and...** | **Then we guarantee BC...** |
+-----------------------------------------------+-----------------------------+
Expand Down Expand Up @@ -114,13 +114,13 @@ covered by our backward compatibility promise:
+-----------------------------------------------+-----------------------------+
| Access a public property | Yes |
+-----------------------------------------------+-----------------------------+
| Call a public method | Yes |
| Call a public method | Yes [10]_ |
+-----------------------------------------------+-----------------------------+
| **If you extend the class and...** | **Then we guarantee BC...** |
+-----------------------------------------------+-----------------------------+
| Access a protected property | Yes |
+-----------------------------------------------+-----------------------------+
| Call a protected method | Yes |
| Call a protected method | Yes [10]_ |
+-----------------------------------------------+-----------------------------+
| Override a public property | Yes |
+-----------------------------------------------+-----------------------------+
Expand Down Expand Up @@ -445,4 +445,8 @@ Turn static into non static No

.. [9] Allowed for the ``void`` return type.

.. [10] Parameter names are not part of the compatibility promise. Using
PHP 8's named arguments feature might break your code when upgrading to
newer Symfony versions.

.. _`Semantic Versioning`: https://semver.org/