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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
See also: Valinor https://github.com/CuyZ/Valinor which does some of what you want, albeit in a more verbose fashion, but without polluting your objects.
Have you seen https://github.com/EventSaucePHP/ObjectHydrator ? How is this different/better?
Sounds a bit like Serde: https://github.com/crell/serde
NOTE:
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Hence, a higher number means a more popular project.