public function actionExport($url = false)
{
$this->type = 'export';
if ($url) {
$model = new Webmeup();
Yii::$app->session->set('url', $url);
$array = json_decode($model->export($url), true);
$f = fopen('php://output', 'w');
$firstLineKeys = false;
foreach ($array as $line) {
if (empty($firstLineKeys)) {
$firstLineKeys = array_keys($line);
fputcsv($f, $firstLineKeys);
$firstLineKeys = array_flip($firstLineKeys);
}
// Using array_merge is important to maintain the order of keys acording to the first element
fputcsv($f, array_merge($firstLineKeys, $line));
}
echo $f;
Yii::$app->end();
}
return $this->render('empty_main');
}
