Dom\HTMLDocument::saveXmlFile

(PHP 8 >= 8.4.0)

Dom\HTMLDocument::saveXmlFile — Serializes the document as an XML file

public Dom\HTMLDocument::saveXmlFile(string $filename, int $options = 0): int|false

Serializes the document as an XML file.

filename: The path to the file to save to.
options: Additional Options. The LIBXML_NOEMPTYTAG and LIBXML_NOXMLDECL options are supported. Prior to PHP 8.3.0, only the LIBXML_NOEMPTYTAG option is supported.

The number of bytes written on success, or false on failure.

Throws a ValueError if filename is an empty string or contains any null bytes.