Compile file with system function

I want to compile a .c file using PHP’s system function and display the th开发者_如何学Ce error (if any) to another text field, else display nothing. How can I do that?

You could launch a compilation command with system function:

$output = system("gcc -Wall -c yourtmpfile.c");

outtmpfile.c is a temporary file you need to create.

In $output you will have the output of the compilation command.

http://www.php.net/manual/en/function.system.php

"If the return_var argument is present, then the return status of the executed command will be written to this variable."

Then write the content of the variable to your textfield...

Take a look at PHP's system() function.

echo system('gcc file.c');