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Rule ``return_to_yield_from``
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If the function explicitly returns an array, and has the return type
``iterable``, then ``yield from`` must be used instead of ``return``.

Examples
--------

Example #1
~~~~~~~~~~

.. code-block:: diff

   --- Original
   +++ New
    <?php function giveMeData(): iterable {
   -    return [1, 2, 3];
   +    yield from [1, 2, 3];
    }
