(PHP 5 >= 5.1.0, PHP 7)
XMLReader::getAttributeNo — Get the value of an attribute by index
$index
) : stringReturns the value of an attribute based on its position or an empty string if attribute does not exist or not positioned on an element node.
indexThe position of the attribute.
The value of the attribute, or an empty string (before PHP 5.6) or NULL
(from PHP 5.6 onwards) if no attribute exists at
index or is not positioned on the element.
| 版本 | 说明 |
|---|---|
| 5.6.0 |
XMLReader::getAttributeNo() now returns NULL
if the attribute doesn't exist.
|