XMLReader::getAttributeNs

(PHP 5 >= 5.1.0, PHP 7)

XMLReader::getAttributeNs — Get the value of an attribute by localname and URI

说明

public XMLReader::getAttributeNs ( string $localName , string $namespaceURI ) : string

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.

参数

localName: The local name.
namespaceURI: The namespace URI.

返回值

The value of the attribute, or an empty string (before PHP 5.6) or NULL (from PHP 5.6 onwards) if no attribute with the given localName and namespaceURI is found or not positioned of element.

更新日志

版本	说明
5.6.0	XMLReader::getAttributeNS() now returns `NULL` if the attribute doesn't exist.

参见

XMLReader::getAttribute() - Get the value of a named attribute
XMLReader::getAttributeNo() - Get the value of an attribute by index