wp-includes/ID3/module.audio-video.matroska.php:1441$typestring$lineint$elementarray private function unhandledElement($type, $line, $element) { // warn only about unknown and missed elements, not about unuseful if (!in_array($element['id'], $this->unuseful_elements)) { $this->warning('Unhandled '.$type.' element ['.basename(__FILE__).':'.$line.'] ('.$element['id'].'::'.$element['id_name'].' ['.$element['length'].' bytes]) at '.$element['offset']); } // increase offset for unparsed elements if (!isset($element['data'])) { $this->current_offset = $element['end']; } }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/ID3/module.audio-video.matroska.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.