How does PHP call R language functions like calling C language functions?

How PHP calls R language functions, instead of using the exec or system method to execute them. Instead, it calls a function in the R program.

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How PHP calls R language functions, instead of using the exec or system method to execute them. Instead, it calls a function in the R program.

Use RPC middleware to implement, the typical tool is thrift

rpc is the best solution. If the requirements are not high, it is also good to provide a socket or http service