(PHP 5, PHP 7, PHP 8)
The number of nodes in the map. The range of valid child node
indices is 0
to length - 1
inclusive.
版本 | 说明 |
---|---|
8.0.0 | The unimplemented methods DOMNamedNodeMap::setNamedItem(), DOMNamedNodeMap::removeNamedItem(), DOMNamedNodeMap::setNamedItemNS() and DOMNamedNodeMap::removeNamedItem() have been removed. |
8.0.0 | DOMNamedNodeMap implements IteratorAggregate now. Previously, Traversable was implemented instead. |