Something

<?phprequire_once('./includes.php');include_once('./config.php');$facebook = new Facebook($api_key, $secret);$data = $sql->select(array(		'db' => 'facebook',		'table' => 'tag'		));foreach ($data as $key => $row) {	clear_tag($row['facebookid']);}$data = $sql->select(array(		'db' => 'facebook',		'table' => 'tagit'		));foreach ($data as $key => $row) {	clear_tag($row['facebookid']);}$sql->delete(array('db' => 'facebook',				'table' => 'tagit'));function clear_tag ($uid) {	$facebook->api_client->fbml_setRefHandle($uid,"");}?>