[VarExporter] fix exporting declared but unset properties when __sleep() is implemented#44188

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nicolas-grekas merged 1 commit intosymfony:4.4from

nicolas-grekas:ve-fix

Nov 22, 2021

Commits on Nov 22, 2021

[VarExporter] fix exporting declared but unset properties when __sleep() is implemented
nicolas-grekas
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