(PHP 5 >= 5.2.0, PHP 7, PHP 8)
XMLReader::setSchema — Validate document against XSD
Use W3C XSD schema to validate the document as it is processed. Activation is only possible before the first Read().
filename
The filename of the XSD schema.
Issues E_WARNING
if libxml was built without schema
support, the schema contains errors or if
XMLReader::read() has already been called.
Ця функція доступна тільки, якщо PHP зібрано разом з libxml версії 20620 або новішою.