(PHP 5 >= 5.2.0, PHP 7, PHP 8)
XMLReader::setSchema — Validate document against XSD
$filename): boolUse W3C XSD schema to validate the document as it is processed. Activation is only possible before the first Read().
filenameThe filename of the XSD schema.
成功時(shí)返回 true， 或者在失敗時(shí)返回 false。
Issues E_WARNING if libxml was built without schema
support, the schema contains errors or if
XMLReader::read() has already been called.
此函數(shù)僅在 PHP 與 libxml 20620 或以上版本編譯時(shí)可用。