/**
* Getting CSV content
* @param array $response_array Response array of a survey
* @return string $output CSV content
*/
public function get_csv($response_array)
{
$headlines = Questions_AbstractData::get_headlines($response_array);
$lines = Questions_AbstractData::get_lines($response_array);
$lines = array_merge(array($headlines), $lines);
// Running each question (element without separators etc)
if (is_array($lines)) {
$output = '';
foreach ($lines as $response_id => $line) {
$output .= implode(';', $line) . chr(13);
}
return $output;
} else {
return FALSE;
}
}
