Phacterl\Runtime\Scheduler::schedule PHP Method

    public function schedule()
    {
        if ($this->msg_count > 0 && !empty($this->processes)) {
            $pid = array_shift($this->pids);
            $p_meta = $this->processes[$pid];
            if (!empty($p_meta['inbox'])) {
                $msg = array_shift($p_meta['inbox']);
                $restack = true;
                foreach ($p_meta['receive'] as $receive) {
                    if ($receive == $msg->getTag()) {
                        $m = 'handle_' . $receive;
                        $args = array($msg->getData(), $p_meta['state']);
                        $state = call_user_func_array(array($p_meta['p'], $m), $args);
                        $p_meta['state'] = $state;
                        $restack = false;
                        break;
                    }
                }
                if ($restack) {
                    array_push($p_meta['inbox'], $msg);
                } else {
                    $this->msg_count--;
                }
                $this->processes[$pid] = $p_meta;
            }
            array_push($this->pids, $pid);
        }
    }