[PHP-DEV] DOMNode::getAttribute()

[Matt Pelmear]

Hello,

I discovered today that the DOMNode::getAttribute() function (which is
undocumented on the php site) returns an empty string if the requested
attribute doesn't exist in the node.

>From the source:
        if (value == NULL) {
                RETURN_EMPTY_STRING();
        } else {
                RETVAL_STRING((char *)value, 1);
                xmlFree(value);
        }

Seems to me that it should return NULL. (That's what libxml does, apparently.)

Does anyone know of a particular reason it returns an empty string instead?
Does anyone know of a particular reason it is not documented?
(I'd be happy to document and provide the ridiculously simple patch of
returning NULL...)

Thanks,
-Matt

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