Spork\ProcessManager::wait PHP Метод

    public function wait($hang = true)
    {
        foreach ($this->forks as $fork) {
            $fork->wait($hang);
        }
    }

 /**
  * @param InputInterface $input
  * @param OutputInterface $out
  * @return int
  */
 protected function execute(InputInterface $input, OutputInterface $out)
 {
     $this->outputHeading($out, "Transfer Patterns");
     $scanDate = $this->getNextScanDate();
     $nonTimetableConnections = $this->outputTask($out, "Loading non-timetable connections", function () use($scanDate) {
         return $this->scheduleProvider->getNonTimetableConnections(strtotime($scanDate . " UTC"));
     });
     $timetables = $this->outputTask($out, "Loading timetables", function () use($scanDate) {
         return $this->scheduleProvider->getTimetableConnections(strtotime("{$scanDate} 00:00 UTC"));
     });
     $interchange = $this->outputTask($out, "Loading interchange", function () {
         return $this->scheduleProvider->getInterchangeTimes();
     });
     $stations = array_keys($this->stationProvider->getLocations());
     $persistence = new TransferPatternPersistence($timetables, $nonTimetableConnections, $interchange);
     $this->outputTask($out, "Calculating transfer patterns", function () use($stations, $persistence, $scanDate) {
         //            $persistence->calculateTransferPatternsForStation(call_user_func($this->dbFactory), "MYB", $scanDate);
         //            return;
         $callable = function ($station) use($persistence, $scanDate) {
             $persistence->calculateTransferPatternsForStation(call_user_func($this->dbFactory), $station, $scanDate);
         };
         $this->processManager->process($stations, $callable, $this->forkStrategy);
         $this->processManager->wait();
     });
     $this->setLastScanDate($scanDate);
     $this->outputMemoryUsage($out);
     return 0;
 }