We have upgraded our Admin Statistics module with updated graphs that presents statistics more seamlessly and without errors with PHP 8.0. We used the following javascript library to help achieve this.
https://www.chartjs.org/
Our previous PHP graphing module used Libchart ( https://github.com/naku/libchart ). This has now been discontinued and is an good example of “software rot”. It worked well for many years, so thanks to Jean-Marc Trémeaux the author who developed it from 2005 – 2011.
https://en.wikipedia.org/wiki/Software_rot
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