wp-includes/ID3/module.tag.id3v2.php:2691$languagecodestring$casesensitivebooloptionalfalsestring public static function LanguageLookup($languagecode, $casesensitive=false) { if (!$casesensitive) { $languagecode = strtolower($languagecode); } // http://www.id3.org/id3v2.4.0-structure.txt // [4. ID3v2 frame overview] // The three byte language field, present in several frames, is used to // describe the language of the frame's content, according to ISO-639-2 // [ISO-639-2]. The language should be represented in lower case. If the // language is not known the string "XXX" should be used. // ISO 639-2 - http://www.id3.org/iso639-2.html $begin = __LINE__; /** This is not a comment! XXX unknown xxx unknown aar Afar abk Abkhazian ace Achinese ach Acoli ada Adangme afa Afro-Asiatic (Other) afh Afrihili afr Afrikaans aka Akan akk Akkadian alb Albanian ale Aleut alg Algonquian Languages amh Amharic ang English, Old (ca. 450-1100) apa Apache Languages ara Arabic arc Aramaic arm Armenian arn Araucanian arp Arapaho art Artificial (Other) arw Arawak asm Assamese ath Athapascan Languages ava Avaric ave Avestan awa Awadhi aym Aymara aze Azerbaijani bad Banda bai Bamileke Languages bak Bashkir bal Baluchi bam Bambara ban Balinese baq Basque bas Basa bat Baltic (Other) bej Beja bel Byelorussian bem Bemba ben Bengali ber Berber (Other) bho Bhojpuri bih Bihari bik Bikol bin Bini bis Bislama bla Siksika bnt Bantu (Other) bod Tibetan bra Braj bre Breton bua Buriat bug Buginese bul Bulgarian bur BurmeseUnchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/ID3/module.tag.id3v2.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.