function pfblockerng_sync_cron()
{
    global $config, $pfb, $pfbarr;
    // Call base hour converter
    $pfb_sch = pfb_cron_base_hour();
    $hour = date('G');
    $dow = date('N');
    $pfb['update_cron'] = FALSE;
    $log = " CRON  PROCESS  START [ NOW ]\n";
    pfb_logger("{$log}", 1);
    $list_type = array('pfblockernglistsv4' => '_v4', 'pfblockernglistsv6' => '_v6', 'pfblockerngdnsbl' => '_v4', 'pfblockerngdnsbleasylist' => '_v4');
    foreach ($list_type as $ip_type => $vtype) {
        if (!empty($config['installedpackages'][$ip_type]['config'])) {
            foreach ($config['installedpackages'][$ip_type]['config'] as $list) {
                if (isset($list['row']) && $list['action'] != 'Disabled' && $list['cron'] != 'Never') {
                    foreach ($list['row'] as $row) {
                        if (!empty($row['url']) && $row['state'] != 'Disabled') {
                            if ($vtype == '_v4') {
                                $header = "{$row['header']}";
                            } else {
                                $header = "{$row['header']}_v6";
                            }
                            // Determine folder location for alias (return array $pfbarr)
                            pfb_determine_list_detail($list['action'], '', '', '');
                            $pfbfolder = $pfbarr['folder'];
                            $pfborig = $pfbarr['orig'];
                            // Bypass update if state is defined as 'Hold' and list file exists
                            if ($row['state'] == 'Hold' && file_exists("{$pfbfolder}/{$header}.txt")) {
                                continue;
                            }
                            // Allow cURL SSL downgrade if user configured.
                            $pflex = FALSE;
                            if ($row['state'] == 'Flex') {
                                $pflex = TRUE;
                            }
                            switch ($list['cron']) {
                                case 'EveryDay':
                                    if ($hour == $pfb['24hour']) {
                                        pfb_update_check($header, $row['url'], $pfbfolder, $pfborig, $pflex, $row['format']);
                                    }
                                    break;
                                case 'Weekly':
                                    if ($hour == $pfb['24hour'] && $dow == $list['dow']) {
                                        pfb_update_check($header, $row['url'], $pfbfolder, $pfborig, $pflex, $row['format']);
                                    }
                                    break;
                                default:
                                    if ($pfb['interval'] == '1' || in_array($hour, $pfb_sch)) {
                                        pfb_update_check($header, $row['url'], $pfbfolder, $pfborig, $pflex, $row['format']);
                                    }
                                    break;
                            }
                        }
                    }
                }
            }
        }
    }
    // If no lists require updates, check if Continents are configured and update accordingly.
    if (!$pfb['update_cron']) {
        foreach ($pfb['continents'] as $continent => $pfb_alias) {
            if (isset($config['installedpackages']['pfblockerng' . strtolower(str_replace(' ', '', $continent))]['config'])) {
                $continent_config = $config['installedpackages']['pfblockerng' . strtolower(str_replace(' ', '', $continent))]['config'][0];
                if ($continent_config['action'] != 'Disabled') {
                    $pfb['update_cron'] = TRUE;
                    break;
                }
            }
        }
    }
    if ($pfb['update_cron']) {
        sync_package_pfblockerng('cron');
        $pfb['update_cron'] = FALSE;
    } else {
        sync_package_pfblockerng('noupdates');
        $log = "\n  No Updates required.\n CRON  PROCESS  ENDED\n UPDATE PROCESS ENDED\n";
        pfb_logger("{$log}", 1);
    }
    // Call log mgmt function
    // If Update GUI 'Manual view' is selected. Last output will be missed. So sleep for 5 secs.
    sleep(5);
    pfb_log_mgmt();
}
 $log = " CRON  PROCESS  START [ NOW ]\n";
 pfb_logger("{$log}", "1");
 $list_type = array("pfblockernglistsv4" => "_v4", "pfblockernglistsv6" => "_v6");
 foreach ($list_type as $ip_type => $vtype) {
     if ($config['installedpackages'][$ip_type]['config'] != "") {
         foreach ($config['installedpackages'][$ip_type]['config'] as $list) {
             if (is_array($list['row']) && $list['action'] != "Disabled") {
                 foreach ($list['row'] as $row) {
                     if ($row['url'] != "" && $row['state'] != "Disabled") {
                         if ($vtype == "_v4") {
                             $header_url = "{$row['header']}";
                         } else {
                             $header_url = "{$row['header']}_v6";
                         }
                         // Determine Folder Location for Alias (return array $pfbarr)
                         pfb_determine_list_detail($list['action'], "", "", "");
                         $pfbfolder = $pfbarr['folder'];
                         $list_cron = $list['cron'];
                         $list_url = $row['url'];
                         $header_dow = $list['dow'];
                         $url_format = $row['format'];
                         // Bypass update if state is defined as "Hold" and list file exists
                         if (file_exists($pfbfolder . '/' . $header_url . '.txt') && $row['state'] == "Hold") {
                             continue;
                         }
                         // Check if List file exists, if not found run Update
                         if (!file_exists($pfbfolder . '/' . $header_url . '.txt')) {
                             $log = "  Updates Found\n";
                             pfb_logger("{$log}", "1");
                             $pfb['update_cron'] = TRUE;
                             continue;