";
echo "試著輸入一個參數";
echo " ";
echo "";
if(isset($_GET['N']))
{
$N = $_GET['N'];
// execute R script from shell
// this will save a plot at temp.png to the filesystem
exec("Rscript my_rscript.R $N");
// return image tag
$nocache = rand();
echo("");
}
?>
");
}
?>