How to add a timestamp to the exported WXR filename?
I don’t think you need to do that, it’s already there (if I understand the question correctly): In the WXR file we get a timestamp like: that’s generated with: <?php the_generator( ‘export’ ); ?> that calls get_the_generator() where the export case is: $gen = ‘<!– generator=”WordPress/’ . get_bloginfo_rss(‘version’) . ‘” created=”‘. date(‘Y-m-d H:i’) . ‘” … Read more