(PHP 5 >= 5.1.0, PHP 7)
XMLReader::getAttribute — Get the value of a named attribute
public XMLReader::getAttribute ( string $name ) : string|null
 Returns the value of a named attribute or null if the attribute does not exist or not positioned on an element node. 
name
The name of the attribute.
| Version | Description | 
|---|---|
| 8.0.0 |  This function can no longer return false.  |  
 The value of the attribute, or null if no attribute with the given name is found or not positioned on an element node. 
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    https://www.php.net/manual/en/xmlreader.getattribute.php