Php/docs/xmlreader.getattributeno

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XMLReader::getAttributeNo

(PHP 5 >= 5.1.0, PHP 7)

XMLReader::getAttributeNoGet the value of an attribute by index


说明

public XMLReader::getAttributeNo ( int $index ) : string|null

Returns 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