XMLReader::setSchema

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

XMLReader::setSchema — Validate document against XSD

public XMLReader::setSchema(?string $filename): bool

Use W3C XSD schema to validate the document as it is processed. Activation is only possible before the first Read().

成功时返回 true，或者在失败时返回 false。

Issues E_WARNING if libxml was built without schema support, the schema contains errors or if XMLReader::read() has already been called.

警告

此函数仅在 PHP 与 libxml 20620 或以上版本编译时可用。