public function write_setting($data)
{
// your custom validation logic here
//we have no special needs, but we clean empty lines and compare with the db
$lines = explode("\n", $data);
array_walk($lines, create_function('&$val', '$val = trim($val);'));
$lines = array_filter($lines);
//leere weg
/*
echo "<textarea cols=50 rows=20>";
var_dump($lines);
echo "</textarea>";
*
*/
//ok, jetzt abgleich mit db
ResopDB::synchDBUsers($lines);
//nur einfügen, alte nicht herausnehmen
$data = implode("\n", $lines);
return parent::write_setting($data);
}
