Remove property type hints in TransientFilesEngine and ReceiptRenderingEngine #44829
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Changes proposed in this Pull Request:
A user is reporting the following error after upgrading to WooCommerce 8.6:
While this looks like an error due to WooCommerce running in PHP 7.3 or older, the fact is that this is actually happening in PHP 7.4.
At this point it's not clear why this is happening, but for now the type hint is being removed, so that the transient files engine (which is a dependency of the receipts printing engine) doesn't break. Similar type hints in
ReceiptRenderingEngineare removed too.How to test the changes in this Pull Request:
Running the unit tests should be enough. Optionally, you can also repeat the tests of #43502.
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