We offered you 2 ways to Delete into the XMLDB:
One is still experimental
Delete item
Syntax:
public function deleteItem($table, $id = null, $attributes = null)
Example:
$xmldb = new XMLDB('db.xml');
$xmldb->deleteItem('table1','clock');
Return:
True if it works, False if not
The example will delete the item which PK is 'clock' into the 'table1'
Delete node
Syntax:
public function deleteNode($node)
Params:
$node the selected node
Returns:
True if it works, False if not
Example:
$xmldb = new XMLDB('db.xml');
$xmldb->deleteNode($xmldbtest->selectFromPK('table1', 'clock', 'node'));
To find a node you can use a select