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 ) : string

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