Php/docs/xmlreader.getattributens
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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 $name
, string $namespace
) : string|null
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
name- The local name.
namespace- 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
name and namespace is
found or not positioned of element.
更新日志
| 版本 | 说明 |
|---|---|
| 8.0.0 | This function can no longer return false.
|
| 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
