Compile C++ Code using php

[fkrafi]

How can i compile c++ code in php with an external file as input and generate an output file.... i can compile it using exec("cl A.cpp") where A.cpp is the code file but i want to create A.out an output file with the help of A.cpp and A.in....

A.cpp

PHP Code:

#include<stdio.h>

int main(){
    int n;
    while( scanf("%d", &n) ){
        if( !n )break;
        printf("%d\n", n);
    } 


A.in

PHP Code:

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