(PHP 5, PHP 7)
DOMDocument::relaxNGValidate — Performs relaxNG validation on the document
public DOMDocument::relaxNGValidate ( string $filename ) : bool
Performs » relaxNG validation on the document based on the given RNG schema.
filename
The RNG file.
 Returns true on success or false on failure. 
    © 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
    https://www.php.net/manual/en/domdocument.relaxngvalidate.php