sspmod_metarefresh_MetaLoader::writeMetadataSerialize PHP Method

    public function writeMetadataSerialize($outputDir)
    {
        assert('is_string($outputDir)');
        $metaHandler = new SimpleSAML_Metadata_MetaDataStorageHandlerSerialize(array('directory' => $outputDir));
        /* First we add all the metadata entries to the metadata handler. */
        foreach ($this->metadata as $set => $elements) {
            foreach ($elements as $m) {
                $entityId = $m['metadata']['entityid'];
                SimpleSAML\Logger::debug('metarefresh: Add metadata entry ' . var_export($entityId, TRUE) . ' in set ' . var_export($set, TRUE) . '.');
                $metaHandler->saveMetadata($entityId, $set, $m['metadata']);
            }
        }
        /* Then we delete old entries which should no longer exist. */
        $ct = time();
        foreach ($metaHandler->getMetadataSets() as $set) {
            foreach ($metaHandler->getMetadataSet($set) as $entityId => $metadata) {
                if (!array_key_exists('expire', $metadata)) {
                    SimpleSAML\Logger::warning('metarefresh: Metadata entry without expire timestamp: ' . var_export($entityId, TRUE) . ' in set ' . var_export($set, TRUE) . '.');
                    continue;
                }
                if ($metadata['expire'] > $ct) {
                    continue;
                }
                SimpleSAML\Logger::debug('metarefresh: ' . $entityId . ' expired ' . date('l jS \\of F Y h:i:s A', $metadata['expire']));
                SimpleSAML\Logger::debug('metarefresh: Delete expired metadata entry ' . var_export($entityId, TRUE) . ' in set ' . var_export($set, TRUE) . '. (' . ($ct - $metadata['expire']) . ' sec)');
                $metaHandler->deleteMetadata($entityId, $set);
            }
        }
    }

/**
 * Hook to run a cron job.
 *
 * @param array &$croninfo  Output
 */
function metarefresh_hook_cron(&$croninfo)
{
    assert('is_array($croninfo)');
    assert('array_key_exists("summary", $croninfo)');
    assert('array_key_exists("tag", $croninfo)');
    SimpleSAML_Logger::info('cron [metarefresh]: Running cron in cron tag [' . $croninfo['tag'] . '] ');
    try {
        $config = SimpleSAML_Configuration::getInstance();
        $mconfig = SimpleSAML_Configuration::getConfig('config-metarefresh.php');
        $sets = $mconfig->getConfigList('sets');
        foreach ($sets as $setkey => $set) {
            // Only process sets where cron matches the current cron tag.
            $cronTags = $set->getArray('cron');
            if (!in_array($croninfo['tag'], $cronTags)) {
                continue;
            }
            SimpleSAML_Logger::info('cron [metarefresh]: Executing set [' . $setkey . ']');
            $expireAfter = $set->getInteger('expireAfter', NULL);
            if ($expireAfter !== NULL) {
                $expire = time() + $expireAfter;
            } else {
                $expire = NULL;
            }
            $metaloader = new sspmod_metarefresh_MetaLoader($expire);
            foreach ($set->getArray('sources') as $source) {
                SimpleSAML_Logger::debug('cron [metarefresh]: In set [' . $setkey . '] loading source [' . $source['src'] . ']');
                $metaloader->loadSource($source);
            }
            $outputDir = $set->getString('outputDir');
            $outputDir = $config->resolvePath($outputDir);
            $outputFormat = $set->getValueValidate('outputFormat', array('flatfile', 'serialize'), 'flatfile');
            switch ($outputFormat) {
                case 'flatfile':
                    $metaloader->writeMetadataFiles($outputDir);
                    break;
                case 'serialize':
                    $metaloader->writeMetadataSerialize($outputDir);
                    break;
            }
            if ($set->hasValue('arp')) {
                $arpconfig = SimpleSAML_Configuration::loadFromArray($set->getValue('arp'));
                $metaloader->writeARPfile($arpconfig);
            }
        }
    } catch (Exception $e) {
        $croninfo['summary'][] = 'Error during metarefresh: ' . $e->getMessage();
    }
}