XMLReader::getAttributeNo
(PHP 5 >= 5.1.0, PHP 7)
XMLReader::getAttributeNo — Get the value of an attribute by index
说明
public
XMLReader::getAttributeNo
( int
$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.
参数
-
index -
The position of the attribute.
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 exists at
index or is not positioned on the element.
更新日志
| 版本 | 说明 |
|---|---|
| 5.6.0 |
XMLReader::getAttributeNo() now returns NULL
if the attribute doesn't exist.
|
参见
- XMLReader::getAttribute() - Get the value of a named attribute
- XMLReader::getAttributeNs() - Get the value of an attribute by localname and URI