if ($aPlace['ref']) echo ' ref="'.htmlspecialchars($aPlace['ref']).'"';
if (isset($aPlace['lat'])) echo ' lat="'.htmlspecialchars($aPlace['lat']).'"';
if (isset($aPlace['lon'])) echo ' lon="'.htmlspecialchars($aPlace['lon']).'"';
if ($aPlace['ref']) echo ' ref="'.htmlspecialchars($aPlace['ref']).'"';
if (isset($aPlace['lat'])) echo ' lat="'.htmlspecialchars($aPlace['lat']).'"';
if (isset($aPlace['lon'])) echo ' lon="'.htmlspecialchars($aPlace['lon']).'"';