https://www.php.net/manual/es/simplexmlelement.savexml.php
PHP: SimpleXMLElement::saveXML - Manual
Alias de SimpleXMLElement::asXML
phpsimplexmlelementsavexmlmanual
https://www.php.net/manual/en/simplexmlelement.savexml.php
PHP: SimpleXMLElement::saveXML - Manual
Alias of SimpleXMLElement::asXML
phpsimplexmlelementsavexmlmanual
https://www.php.net/manual/fr/simplexmlelement.savexml.php
PHP: SimpleXMLElement::saveXML - Manual
Alias de SimpleXMLElement::asXML
phpsimplexmlelementsavexmlmanual
https://www.php.net/manual/zh/domdocument.savexml.php
PHP: DOMDocument::saveXML - Manual
Dumps the internal XML tree back into a string
phpdomdocumentsavexmlmanual