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esp32-javascript
"Lightweight" JS interpreter for ESP32. Provides JS-based eventloop implementation and native asynchronous network and timer functions.
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Xedge32
Xedge32 is your go-to Lua development platform for the ESP32, designed to accelerate the development of edge devices. With built-in support for a wide array of IoT and web protocols, Xedge32 also offers seamless access to the ESP32's GPIOs. Think of it as NodeMCU taken to the next level, serving both professional developers and hobbyists with its versatile features.
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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.
While not PHP, I did a quick search for interpreters for the ESP32 and came across this Javascript one that may be useful for you
You can run Lua Server Pages (LSP) https://github.com/RealTimeLogic/LspAppMgr-ESP32