<?php

use Nih\CommandBuilder\Command;
use Nih\CommandBuilder\Stdio;

require_once __DIR__ . '/../vendor/autoload.php';

$child = (new Command('cat'))
    ->stdin(Stdio::piped())
    ->stdout(Stdio::piped())
    ->spawn();

$child->stdin?->write('Hello, World!');
$output = $child->waitWithOutput();

var_dump($output);

// object(Nih\CommandBuilder\Output)#6 (3) {
//   ["stdout"]=>
//   string(13) "Hello, World!"
//   ["stderr"]=>
//   NULL
//   ["code"]=>
//   object(Nih\CommandBuilder\ExitStatus)#4 (1) {
//     ["code"]=>
//     int(0)
//   }
// }

(new Command('echo'))
    ->arg('Hello, World!')
    ->stdout(Stdio::inherit())
    ->status();

// Hello, World!