elFinder::info PHP Method

    protected function info($args)
    {
        $files = array();
        $sleep = 0;
        $compare = null;
        // long polling mode
        if ($args['compare'] && count($args['targets']) === 1) {
            $compare = intval($args['compare']);
            $hash = $args['targets'][0];
            if ($volume = $this->volume($hash)) {
                $standby = (int) $volume->getOption('plStandby');
                $_compare = false;
                if (($syncCheckFunc = $volume->getOption('syncCheckFunc')) && is_callable($syncCheckFunc)) {
                    $_compare = call_user_func_array($syncCheckFunc, array($volume->realpath($hash), $standby, $compare, $volume, $this));
                }
                if ($_compare !== false) {
                    $compare = $_compare;
                } else {
                    $sleep = max(1, (int) $volume->getOption('tsPlSleep'));
                    $limit = max(1, $standby / $sleep) + 1;
                    do {
                        elFinder::extendTimeLimit(30 + $sleep);
                        $volume->clearstatcache();
                        if (($info = $volume->file($hash)) != false) {
                            if ($info['ts'] != $compare) {
                                $compare = $info['ts'];
                                break;
                            }
                        } else {
                            $compare = 0;
                            break;
                        }
                        if (--$limit) {
                            sleep($sleep);
                        }
                    } while ($limit);
                }
            }
        } else {
            foreach ($args['targets'] as $hash) {
                if (($volume = $this->volume($hash)) != false && ($info = $volume->file($hash)) != false) {
                    $info['path'] = $volume->path($hash);
                    $files[] = $info;
                }
            }
        }
        $result = array('files' => $files);
        if (!is_null($compare)) {
            $result['compare'] = strval($compare);
        }
        return $result;
    }