Piwik\Updater::loadComponentsWithUpdateFile PHP Method

    private function loadComponentsWithUpdateFile()
    {
        $componentsWithUpdateFile = array();
        foreach ($this->componentsWithNewVersion as $name => $versions) {
            $currentVersion = $versions[self::INDEX_CURRENT_VERSION];
            $newVersion = $versions[self::INDEX_NEW_VERSION];
            if ($name == 'core') {
                $pathToUpdates = $this->pathUpdateFileCore . '*.php';
            } elseif (ColumnUpdater::isDimensionComponent($name)) {
                $componentsWithUpdateFile[$name][PIWIK_INCLUDE_PATH . '/core/Columns/Updater.php'] = $newVersion;
            } else {
                $pathToUpdates = sprintf($this->pathUpdateFilePlugins, $name) . '*.php';
            }
            if (!empty($pathToUpdates)) {
                $files = _glob($pathToUpdates);
                if ($files == false) {
                    $files = array();
                }
                foreach ($files as $file) {
                    $fileVersion = basename($file, '.php');
                    if (version_compare($currentVersion, $fileVersion) == -1 && version_compare($fileVersion, $newVersion) <= 0) {
                        $componentsWithUpdateFile[$name][$file] = $fileVersion;
                    }
                }
            }
            if (isset($componentsWithUpdateFile[$name])) {
                // order the update files by version asc
                uasort($componentsWithUpdateFile[$name], "version_compare");
            } else {
                // there are no update file => nothing to do, update to the new version is successful
                $this->markComponentSuccessfullyUpdated($name, $newVersion);
            }
        }
        return $componentsWithUpdateFile;
    }