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Commit 7c36043

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authentictechjaviereguiluz
authentictech
authored and
javiereguiluz
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Update routing.rst
Just adding the ? character to the route parameter without also adding ? to the function parameter type results in a TypeError: "Argument 1 passed to App\Controller\BlogController::list() must be of the type integer, null given"
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‎routing.rst

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@@ -815,7 +815,8 @@ parameter:
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.. tip::
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To give a ``null`` default value to any parameter, add nothing after the
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``?`` character (e.g. ``/blog/{page?}``).
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``?`` character (e.g. ``/blog/{page?}``). Also, remember to add the
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``?`` character before the function parameter type to make it permit null values (e.g. ``?int``)
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Parameter Conversion
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~~~~~~~~~~~~~~~~~~~~

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