wp-includes/ID3/getid3.lib.php:920ISO-8859-1 => UTF-16BE
$stringstring$bombooloptionalfalsestring public static function iconv_fallback_iso88591_utf16be($string, $bom=false) { $newcharstring = ''; if ($bom) { $newcharstring .= "\xFE\xFF"; } for ($i = 0; $i < strlen($string); $i++) { $newcharstring .= "\x00".$string[$i]; } return $newcharstring; }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.