(PHP 5 >= 5.2.0, PHP 7, PHP 8)
XMLReader::readOuterXml — Retrieve XML from current node, including itself
Reads the contents of the current node, including the node itself.
This function has no parameters.
Returns the contents of current node, including itself, as a string. Empty string on failure.
This function is only available when PHP is compiled against libxml 20620 or later.