I am sorry (again) if you find this question noob. But I am really having a problem on proc_open.
I have a C file and I want to run it using proc_open() and read the input from a textfile. I was able to fetch and feed the input to the executable. The problem is that I just hardcoded the array of fetched strings.
PHP code fragments:
$descriptorspec = array(
0 => array("pipe", "r"),
1 => array("pipe", "w"),
2 => array("file", "error.log", "a")
);
$process = proc_open('C:/xampp/htdocs/ci_user/add2', $descriptorspec, $pipes);
sleep(1);
if (is_resource($process)) {
//Read input.txt by line and store it in an array
$input = file('C:/xampp/htdocs/ci_user/input.txt');
//Feed the input (hardcoded)
fwrite($pipes[0], "$input[0] $input[1]");
fclose($pipes[0]);
while ($s = fgets($pipes[1])) {
print $s."</br>";
flush();
}
fclose($pipes[1]);
}
add2.c
#include <stdio.h>
int main(void) {
int first, second;
printf("Enter two integers > ");
scanf("%d", &first);
scanf("%d", &second);
printf("The two numbers are: %d %d\n", first, second);
printf("Output: %d\n", first+second);
}
streams on pipes[1] ( the printf's)
Enter two integers > The two numbers are: 8 2
Output: 10
Question: Is there a "dynamic way" on how the "$input" elements will be laid out as input on
fwrite($pipes[0], "$input[0] $input[1]");
Or is there a more convenient way to get inputs from a file and feed it whenever there is scanf in the C executable that was ran by the proc_open().
(Btw, for those having trouble in proc_open(), especially for the starters like myself, I hope my codes help you somehow. This is my first time to make it run after few attempts so my codes are simple.)
And for the Pro's, please help meeeee. :( THANK YOU!