PHPPM\ProcessManager::checkChangedFiles PHP Méthode

    protected function checkChangedFiles($restartWorkers = true)
    {
        if ($this->inReload) {
            return false;
        }
        clearstatcache();
        $reload = false;
        $filePath = '';
        $start = microtime(true);
        foreach ($this->filesToTrack as $idx => $filePath) {
            if (!file_exists($filePath)) {
                continue;
            }
            $currentFileMTime = filemtime($filePath);
            if (isset($this->filesLastMTime[$filePath])) {
                if ($this->filesLastMTime[$filePath] !== $currentFileMTime) {
                    $this->filesLastMTime[$filePath] = $currentFileMTime;
                    $md5 = md5_file($filePath);
                    if (!isset($this->filesLastMd5[$filePath]) || $md5 !== $this->filesLastMd5[$filePath]) {
                        $this->filesLastMd5[$filePath] = $md5;
                        $reload = true;
                        //since chances are high that this file will change again we
                        //move this file to the beginning of the array, so next check is way faster.
                        unset($this->filesToTrack[$idx]);
                        array_unshift($this->filesToTrack, $filePath);
                        break;
                    }
                }
            } else {
                $this->filesLastMTime[$filePath] = $currentFileMTime;
            }
        }
        if ($reload && $restartWorkers) {
            $this->output->writeln(sprintf("<info>[%s] File changed %s (detection %f, %d). Reload workers.</info>", date('d/M/Y:H:i:s O'), $filePath, microtime(true) - $start, count($this->filesToTrack)));
            $this->restartWorker();
        }
        return $reload;
    }