How to generate graph using php?

On the web, there are already some plugins available to integrate GraphViz with WordPress. However, they all require an installation of some .dot executable on the web server host. My hosting provider refuses to install additional packages, what I can understand from a security and stability view.

Still, I would like to show GraphViz rendered dot images on my site.

Any suggestions on how to integrate the dot renderer with a php environment?

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