'wikiId' => wfWikiID(), // e.g. "my_wiki-en_"
'mimeCallback' => [ $this, 'guessMimeInternal' ],
'obResetFunc' => 'wfResetOutputBuffers',
'wikiId' => wfWikiID(), // e.g. "my_wiki-en_"
'mimeCallback' => [ $this, 'guessMimeInternal' ],
'obResetFunc' => 'wfResetOutputBuffers',