public function testSequence()
{
$outputs = array();
$doneCallback = function ($output) use(&$outputs) {
$outputs[] = $output;
};
$waitTimer = 1000;
$promise1 = $this->manager->start(new PhpProcess('<?php usleep(' . $waitTimer * 100 . '); echo "1";'));
$promise2 = $this->manager->start(new PhpProcess('<?php usleep(' . $waitTimer . '); echo "2";'));
$promise1->done($doneCallback);
$promise2->done($doneCallback);
$this->manager->wait($waitTimer);
$this->assertCount(2, $outputs);
$this->assertSame('2', $outputs[0]);
$this->assertSame('1', $outputs[1]);
}
<?php
require_once __DIR__ . '/../vendor/autoload.php';
use Knagg0\ProcessPromises\Manager;
use Symfony\Component\Process\PhpProcess;
$process1 = new PhpProcess('<?php sleep(2); echo "1";');
$process2 = new PhpProcess('<?php sleep(1); echo "2";');
$process3 = new PhpProcess('<?php sleep(3); echo "3";');
$manager = new Manager();
$promise1 = $manager->start($process1);
$promise2 = $manager->start($process2);
$promise3 = $manager->start($process3);
$promise2->done(function ($result) {
echo "Process 2 done: " . $result . "\n";
});
$when = $manager->when(array($promise1, $promise3));
$when->done(function ($results) {
echo "Process 1 + 3 done: " . implode(', ', $results) . "\n";
});
$manager->wait();