wp-includes/ID3/getid3.lib.php:707$arraydataarray$returnkeybooloptionalfalseint|false public static function array_max($arraydata, $returnkey=false) { $maxvalue = false; $maxkey = false; foreach ($arraydata as $key => $value) { if (!is_array($value)) { if (($maxvalue === false) || ($value > $maxvalue)) { $maxvalue = $value; $maxkey = $key; } } } return ($returnkey ? $maxkey : $maxvalue); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/ID3/getid3.lib.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.