Sending form to email as a pdf/csv – theoretically

<?php
$packagename = 'mxformbuilder';

if ( $debug = isset($debug) ? $debug : false ) { $modx->setLogLevel(modX::LOG_LEVEL_INFO); }

$mxfb = $modx->getService($packagename,'mxFormBuilder',$modx->getOption('mxformbuilder.core_path',null,$modx->getOption('core_path').'components/' . $packagename . '/').'model/' . $packagename . '/', array());

if ($mxfb instanceof mxFormBuilder && isset($_GET['export']) && $modx->user->isAuthenticated('mgr') ) {

	$query = $modx->newQuery('forms');
	$query->where(array('form_id' => $formid));
	$form = $modx->getObject('forms', $query);

	$submissions = $form->getMany('Submissions');

	$headers = array('Date');
	$fieldsarr = array();

	$filename = str_replace(' ', '_' , strtolower($form->get('name'))) . '.csv';
	$file = fopen($modx->getOption('assets_path') . '/site/media/media.export/' . $filename, 'w+');


	foreach ($submissions as $submission) {
		$date = array('Datum' => strftime('%d.%m.%Y %H:%M:%S', $submission->get('date')));
		$submission = $submission->toArray();
		$vals = json_decode($submission['vals'], true);
		$fields = $vals['data'][0];
		// digg out the date from the object and add it to the fields for the export...
		$fields = $date + $fields;

		foreach($fields as $key => $value) {
			if(intval($key)) {
				unset($fields[$key]);
			} else {
				// this helps against the encoding issues in excel
				if ( is_array($value) ) {
					$fields[$key] = strip_tags($value[0]);
				} else {
					$fields[$key] = strip_tags(iconv('UTF-8', 'ISO-8859-1//TRANSLIT', $value));
				}

				// create the csv headers
				$cleankey = strip_tags(iconv('UTF-8', 'ISO-8859-1//TRANSLIT', $key));
				if ( !in_array($cleankey, $headers) ) {
					$headers[] = $cleankey;
				}
			}
		}

		// kill the last field as it is the submit button
		$fieldsarr[] = $fields;
	}

	// headers are generated while iterating over the fields, so we need to prepend them to the $fieldsarr here to have them in the csv
	array_unshift($fieldsarr, $headers);
	foreach ( $fieldsarr as $line ) {
		fputcsv($file, $line);
	}
	fclose($file);

	
	return '<a href="/assets/site/media/media.export/' . $filename" class="download">Download data as CSV file</a>';
    
	
} else {
	//return 'Sorry, you have to log in!';
}