Kraken\Runtime\Container\Manager\ThreadManagerBase::createThread PHP Method

    public function createThread($alias, $name, $flags = Runtime::CREATE_DEFAULT, $params = [])
    {
        if (isset($this->threads[$alias])) {
            if ($name === null) {
                $name = $this->threads[$alias]->name;
            }
            $manager = $this;
            if ($flags === Runtime::CREATE_FORCE_SOFT) {
                return $this->destroyThread($alias, Runtime::DESTROY_FORCE_SOFT, $params)->then(function () use($manager, $alias, $name, $params) {
                    return $manager->createThread($alias, $name, $params);
                });
            } else {
                if ($flags === Runtime::CREATE_FORCE_HARD) {
                    return $this->destroyThread($alias, Runtime::DESTROY_FORCE_HARD, $params)->then(function () use($manager, $alias, $name, $params) {
                        return $manager->createThread($alias, $name, $params);
                    });
                } else {
                    if ($flags === Runtime::CREATE_FORCE) {
                        return $this->destroyThread($alias, Runtime::DESTROY_FORCE, $params)->then(function () use($manager, $alias, $name, $params) {
                            return $manager->createThread($alias, $name, $params);
                        });
                    } else {
                        return Promise::doReject(new ResourceOccupiedException('Thread with such alias already exists.'));
                    }
                }
            }
        } else {
            if ($name === null) {
                return Promise::doReject(new InvalidArgumentException('Name of new thread cannot be null.'));
            }
        }
        global $loader;
        $controller = new ThreadController($loader);
        $wrapper = new ThreadWrapper($controller, $this->runtime->getCore()->getDataPath(), $this->runtime->getAlias(), $alias, $name, $this->context);
        $wrapper->start(PTHREADS_INHERIT_ALL);
        $this->allocateThread($alias, $wrapper);
        $req = $this->createRequest($this->channel, $alias, new RuntimeCommand('cmd:ping', $params));
        return $req->call()->then(function () {
            return 'Thread has been created.';
        }, function ($reason) use($alias) {
            $this->freeThread($alias);
            return $reason;
        }, function ($reason) use($alias) {
            $this->freeThread($alias);
            return $reason;
        });
    }