/**
* Start exporting by evaluating $_GET variables
* @since 1.0.0
*/
function export()
{
global $wpdb, $questions_global;
if (array_key_exists('export_survey_results', $_GET) && is_array($_GET)) {
$export_type = $_GET['export_survey_results'];
$survey_id = $_GET['survey_id'];
$survey = new Questions_Form($survey_id);
$responses = new Questions_Responses($survey_id);
$export_filename = sanitize_title($survey->title);
$export_data = $responses->get_responses();
$content = $this->get_csv($export_data);
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: private", FALSE);
switch ($export_type) {
case 'CSV':
$content = $this->get_csv($export_data);
$bytes = strlen($content);
$charset = 'UTF-8';
header("Content-Length: " . $bytes);
header("Content-Type: text/html; charset=" . $charset);
header("Content-Disposition: attachment; filename=\"" . $export_filename . ".csv\";");
echo $content;
break;
default:
echo $this->get_csv($export_data);
break;
}
exit;
}
}
/**
* Showing all results of a survey
* @param $atts
* @return string|void
*/
public static function survey_results($atts)
{
$atts = shortcode_atts(array('id' => ''), $atts);
if ('' == $atts['id']) {
_e('Please enter a survey id in the survey shortcode!', 'questions-locale');
return;
}
$responses = new Questions_Responses($atts['id']);
$ordered_data = Questions_AbstractData::order_for_charting($responses->get_responses(FALSE, FALSE));
$html = '';
$count_bars = 0;
foreach ($ordered_data['questions'] as $question_id => $question) {
if (!array_key_exists($question_id, $ordered_data['data'])) {
continue;
}
$html .= Questions_ChartCreator_Dimple::show_bars($question, $ordered_data['data'][$question_id]);
$count_bars++;
}
if (0 == $count_bars) {
_e('There are no results to show.', 'questions-locale');
}
return $html;
}
