public function testRepeatedReadCalls()
{
$shell = new Shell();
$command = "{$this->phpExecutablePath} -r \"echo 'Hello World';\"";
$result = $shell->startProcess($command)->getResult()->wait(2);
$this->assertSame(0, $result->getExitCode(), $result->readFromPipe(2));
$this->assertSame('Hello World', $result->readFromPipe(1));
$this->assertSame('', $result->readFromPipe(1));
}
<?php
require_once __DIR__ . '/../vendor/autoload.php';
use FutureProcess\Shell;
use FutureProcess\FutureProcess;
use FutureProcess\FutureResult;
$shell = new Shell();
$url = 'https://raw.githubusercontent.com/joshdifabio/future-process/master/LICENSE';
$process = $shell->startProcess("wget -O - {$url}");
// this will not block, even if the process is queued
$process->then(function (FutureProcess $process) {
echo "Downloading file...\n";
});
// this will not block, even if the process is queued
$process->getResult()->then(function (FutureResult $result) {
echo "File contents:\n{$result->readFromPipe(1)}\n";
});
// this will block until all processes have exited
$shell->wait();