PHP server

const http=require("http"),fs=require("fs"),exec=require("child_process").exec;
var server=http.createServer((req,res)=> {
    console.log(req.method,req.url);
    if(req.url=="/") req.url="/index.php";
    if(req.method=="GET") {
        if(req.url.match(/\/.+\.php.*/)&&fs.existsSync("scripts/"+req.url)) {
            console.log("OK",fs.readdirSync("scripts"));
            exec("./php.exe scripts"+req.url, (error,stdout,stderr) => {
                if(error) console.log("error:",error);
                console.log("sending "+req.url+" to user");
                res.writeHead(200,{"Content-Type":"text/html"});
                res.end(stdout);
            });
        } else {
            console.log("script",req.url,"not found");
            res.writeHead(303,{"Location":"/"}); //303 redirection
            res.end();
        }
    } else if(req.method=="POST") {
        //POST handling impossible :(
        var data="";
        req.on("data",(chunk)=>data+=chunk);
        req.on("end",()=>{
            console.log("got data",data);
            fs.writeFileSync("php_latestData.tmp",data);
            res.writeHead(303,{"Location":req.url});
            res.end();
        });
    } else if(req.method=="OPTIONS") {
        //enable CORS
        res.writeHead(200,
        {"Access-Control-Allow-Methods":"GET,OPTIONS",
        "Access-Control-Allow-Origin":"*"});
        res.end();
    } else {
        res.writeHead(400);
        res.end();
    }
}).listen(719); //uses  PHP 7.1.9