public function start()
    {
        foreach ($this->processes as $pid => $process) {
            if (!$process->isStarted()) {
                $process->runAsync();
            }
        }
    }
public function start()
    {
        foreach ($this->processes as $pid => $process) {
            if (!$process->isStarted()) {
                $process->runAsync();
            }
        }
    }
public function start ( ) { foreach ( $ this -> processes as $ pid => $ process ) { if ( ! $ process -> isStarted ( ) ) { $ process -> runAsync ( ) ; } } }
Run each managed process.

@return void
Run each managed process .