How to call R language in php

Call string exec ( string $command[, array&$output [, int &$return_var ]] )Function execution command

D:/xampp/htdocs/programC/R/R-3.0.3/bin/i386/R.exe --vanilla < D:/xampp/htdocs/programR/myr> out.txt

R program installation path (absolute path)                                                                                                                                            R file path                                      

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The above introduces how PHP calls R language, including the relevant content. I hope it will be helpful to friends who are interested in PHP tutorials.