(PHP 5 >= 5.1.0, PHP 7, PHP 8)
XMLReader::getAttributeNs — Get the value of an attribute by localname and URI
Returns the value of an attribute by name and namespace URI or an empty string if attribute does not exist or not positioned on an element node.
name
The local name.
namespace
The namespace URI.
The value of the attribute, or null
if no attribute with the given
name
and namespace
is
found or not positioned of element.