export_iframe_progress_handler($percentage, get_string('exportingusername', 'admin', $username));
    $exporter = new PluginExportLeap($user, PluginExport::EXPORT_ALL_VIEWS, PluginExport::EXPORT_ALL_ARTEFACTS);
    try {
        $zipfile = $exporter->export();
    } catch (Exception $e) {
        $exporterrors[] = $username;
        continue;
    }
    $listing[] = array($username, $zipfile);
    $files[] = $exporter->get('exportdir') . $zipfile;
    $exportcount++;
}
export_iframe_progress_handler(99, get_string('creatingzipfile', 'export'));
if (!($zipfile = create_zipfile($listing, $files))) {
    export_iframe_die(get_string('bulkexportempty', 'admin'));
}
export_iframe_progress_handler(100, get_string('Done', 'export'));
ob_end_flush();
log_info("Exported {$exportcount} users to {$zipfile}");
if (!empty($exporterrors)) {
    $SESSION->add_error_msg(get_string('couldnotexportusers', 'admin', implode(', ', $exporterrors)));
}
// Store the filename in the session, and redirect the iframe to it to trigger
// the download. Here it would be nice to trigger the download for everyone,
// but alas this is not possible for people without javascript.
$SESSION->set('exportfile', $zipfile);
$wwwroot = get_config('wwwroot');
$strexportgeneratedsuccessfullyjs = get_string('exportgeneratedsuccessfullyjs', 'export', '<a href="' . $wwwroot . '" target="_top">', '</a>');
$strexportgeneratedsuccessfully = get_string('exportgeneratedsuccessfully', 'export', '<a href="bulkdownload.php" target="_top">', '</a>');
print_export_footer($strexportgeneratedsuccessfully, $strexportgeneratedsuccessfullyjs);
        break;
    default:
        export_iframe_die(get_string('unabletoexportportfoliousingoptions', 'export'));
}
$exporter->includefeedback = $exportdata['includefeedback'];
// Get an estimate of how big the unzipped export file would be
// so we can check that we have enough disk space for it
$space = $exporter->is_diskspace_available();
if (!$space) {
    export_iframe_die(get_string('exportfiletoobig', 'mahara'), get_config('wwwroot') . 'view/index.php');
}
try {
    $zipfile = $exporter->export();
} catch (SystemException $e) {
    export_iframe_die($e->getMessage(), get_config('wwwroot') . 'view/index.php');
}
// Store the filename in the session, and redirect the iframe to it to trigger
// the download. Here it would be nice to trigger the download for everyone,
// but alas this is not possible for people without javascript.
$SESSION->set('exportfile', $exporter->get('exportdir') . $zipfile);
$continueurl = 'download.php';
$continueurljs = get_config('wwwroot') . 'export/index.php';
$result = $SESSION->get('messages');
if (empty($result)) {
    $strexport = get_string('exportgeneratedsuccessfully1', 'export');
} else {
    $SESSION->clear('messages');
    $strexport = get_string('exportgeneratedwitherrors', 'export');
}
print_export_footer($strexport, $continueurl, $continueurljs, $result, 'download.php');
    $exporter = new PluginExportLeap($user, PluginExport::EXPORT_ALL_VIEWS, PluginExport::EXPORT_ALL_ARTEFACTS);
    try {
        $zipfile = $exporter->export();
    } catch (Exception $e) {
        $exporterrors[] = $username;
        continue;
    }
    $listing[] = array($username, $zipfile);
    $files[] = $exporter->get('exportdir') . $zipfile;
    $exportcount++;
}
export_iframe_progress_handler(99, get_string('creatingzipfile', 'export'));
if (!($zipfile = create_zipfile($listing, $files))) {
    export_iframe_die(get_string('bulkexportempty', 'admin'));
}
export_iframe_progress_handler(100, get_string('Done', 'export'));
ob_end_flush();
log_info("Exported {$exportcount} users to {$zipfile}");
if (!empty($exporterrors)) {
    $SESSION->add_error_msg(get_string('couldnotexportusers', 'admin', implode(', ', $exporterrors)));
}
// Store the filename in the session, and redirect the iframe to it to trigger
// the download. Here it would be nice to trigger the download for everyone,
// but alas this is not possible for people without javascript.
$SESSION->set('exportfile', $zipfile);
$continueurljs = get_config('wwwroot');
$continueurl = 'bulkdownload.php';
$result = $SESSION->get('messages');
$SESSION->clear('messages');
print_export_footer(get_string('exportgeneratedsuccessfully1', 'export'), $continueurl, $continueurljs, $result, 'bulkdownload.php');