Wikimedia Bugzilla is closed!

The Collection extension adds a portlet to the sidebar array as an HTML chunk like this:

string(534) "<ul id="collectionPortletList"><li id="coll-create_a_book"><a href="../../../../articles/b/o/o/Special%7EBook_a20f.html" title="Create a book or page collection" rel="nofollow">Create a book</a></li><li id="coll-download-as-rl"><a href="../../../../articles/b/o/o/Special%7EBook_a20f.html" title="Download a PDF version of this wiki page" rel="nofollow">Download as PDF</a></li><li id="t-print"><a href="../../../../articles/p/a/g/Page_one.html" title="Printable version of this page [p]" accesskey="p">Printable version</a></li></ul>"

This causes dumpHTML to spew a butt-ton of these while running in SkinOffline::buildSidebar:

PHP Warning:  Invalid argument supplied for foreach() in /var/www/trunk/extensions/DumpHTML/SkinOffline.php on line 36
PHP Stack trace:
PHP   1. {main}() /var/www/trunk/extensions/DumpHTML/dumpHTML.php:0
PHP   2. DumpHTML->doEverything() /var/www/trunk/extensions/DumpHTML/dumpHTML.php:152
PHP   3. DumpHTML->doArticles() /var/www/trunk/extensions/DumpHTML/dumpHTML.inc:148
PHP   4. DumpHTML->doArticle() /var/www/trunk/extensions/DumpHTML/dumpHTML.inc:209
PHP   5. DumpHTML->getArticleHTML() /var/www/trunk/extensions/DumpHTML/dumpHTML.inc:479
PHP   6. SkinTemplate->outputPage() /var/www/trunk/extensions/DumpHTML/dumpHTML.inc:814
PHP   7. SkinOffline->buildSidebar() /var/www/trunk/includes/SkinTemplate.php:470

Probably should just ignore such sections; you at least wouldn't be able to use Collection on a static output. :)