Function: `XMLValidate`

Uses a Document Type Definition (DTD) or XML Schema to validate an XML text document or an XML document object.

Returns keys status (boolean), errors (array), fatalerrors (array) and warnings (array)

Method Signature

XMLValidate(XML=[any], validator=[string])

Argument	Type	Required	Description	Default
`XML`	`any`	`true`	The XML text document or XML document object to validate.
`validator`	`string`	`false`	The DTD or XML Schema to use for validation. If not provided, the DTD declaration within the XML document is used.