$key = PConfig::get(local_user(), 'widgets', 'key' );
if ($key=='') { $key = mt_rand(); PConfig::set(local_user(), 'widgets', 'key', $key); }
$key = PConfig::get(local_user(), 'widgets', 'key' );
if ($key=='') { $key = mt_rand(); PConfig::set(local_user(), 'widgets', 'key', $key); }