getid3_id3v2::LanguageLookup

		return getid3_lib::EmbeddedLookup($currencyid, $begin, __LINE__, __FILE__, 'id3v2-currency-country');
	}

	/**
	 * @param string $languagecode
	 * @param bool   $casesensitive
	 *
	 * @return string
	 */
	public static function LanguageLookup($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	Burmese
			cad	Caddo
			cai	Central American Indian (Other)
			car	Carib
			cat	Catalan
			cau	Caucasian (Other)
			ceb	Cebuano
			cel	Celtic (Other)
			ces	Czech
			cha	Chamorro
			chb	Chibcha
			che	Chechen
			chg	Chagatai
			chi	Chinese
			chm	Mari
			chn	Chinook jargon
			cho	Choctaw
			chr	Cherokee
			chu	Church Slavic
			chv	Chuvash
			chy	Cheyenne
			cop	Coptic
			cor	Cornish
			cos	Corsican
			cpe	Creoles and Pidgins, English-based (Other)
			cpf	Creoles and Pidgins, French-based (Other)
			cpp	Creoles and Pidgins, Portuguese-based (Other)
			cre	Cree
			crp	Creoles and Pidgins (Other)
			cus	Cushitic (Other)
			cym	Welsh
			cze	Czech
			dak	Dakota
			dan	Danish
			del	Delaware
			deu	German
			din	Dinka
			div	Divehi
			doi	Dogri
			dra	Dravidian (Other)
			dua	Duala
			dum	Dutch, Middle (ca. 1050-1350)
			dut	Dutch
			dyu	Dyula
			dzo	Dzongkha
			efi	Efik
			egy	Egyptian (Ancient)
			eka	Ekajuk
			ell	Greek, Modern (1453-)
			elx	Elamite
			eng	English
			enm	English, Middle (ca. 1100-1500)
			epo	Esperanto
			esk	Eskimo (Other)
			esl	Spanish
			est	Estonian
			eus	Basque
			ewe	Ewe
			ewo	Ewondo
			fan	Fang
			fao	Faroese
			fas	Persian
			fat	Fanti
			fij	Fijian
			fin	Finnish
			fiu	Finno-Ugrian (Other)
			fon	Fon
			fra	French
			fre	French
			frm	French, Middle (ca. 1400-1600)
			fro	French, Old (842- ca. 1400)
			fry	Frisian
			ful	Fulah
			gaa	Ga
			gae	Gaelic (Scots)
			gai	Irish
			gay	Gayo
			gdh	Gaelic (Scots)
			gem	Germanic (Other)
			geo	Georgian
			ger	German
			gez	Geez
			gil	Gilbertese
			glg	Gallegan
			gmh	German, Middle High (ca. 1050-1500)
			goh	German, Old High (ca. 750-1050)
			gon	Gondi
			got	Gothic
			grb	Grebo
			grc	Greek, Ancient (to 1453)
			gre	Greek, Modern (1453-)
			grn	Guarani
			guj	Gujarati
			hai	Haida
			hau	Hausa
			haw	Hawaiian
			heb	Hebrew
			her	Herero
			hil	Hiligaynon
			him	Himachali
			hin	Hindi
			hmo	Hiri Motu
			hun	Hungarian
			hup	Hupa
			hye	Armenian
			iba	Iban
			ibo	Igbo
			ice	Icelandic
			ijo	Ijo
			iku	Inuktitut
			ilo	Iloko
			ina	Interlingua (International Auxiliary language Association)
			inc	Indic (Other)
			ind	Indonesian
			ine	Indo-European (Other)
			ine	Interlingue
			ipk	Inupiak
			ira	Iranian (Other)
			iri	Irish
			iro	Iroquoian uages
			isl	Icelandic
			ita	Italian
			jav	Javanese
			jaw	Javanese
			jpn	Japanese
			jpr	Judeo-Persian
			jrb	Judeo-Arabic
			kaa	Kara-Kalpak
			kab	Kabyle
			kac	Kachin
			kal	Greenlandic
			kam	Kamba
			kan	Kannada
			kar	Karen
			kas	Kashmiri
			kat	Georgian
			kau	Kanuri
			kaw	Kawi
			kaz	Kazakh
			kha	Khasi
			khi	Khoisan (Other)
			khm	Khmer
			kho	Khotanese
			kik	Kikuyu
			kin	Kinyarwanda
			kir	Kirghiz
			kok	Konkani
			kom	Komi
			kon	Kongo
			kor	Korean
			kpe	Kpelle
			kro	Kru
			kru	Kurukh
			kua	Kuanyama
			kum	Kumyk
			kur	Kurdish
			kus	Kusaie
			kut	Kutenai
			lad	Ladino
			lah	Lahnda
			lam	Lamba
			lao	Lao
			lat	Latin
			lav	Latvian
			lez	Lezghian
			lin	Lingala
			lit	Lithuanian
			lol	Mongo
			loz	Lozi
			ltz	Letzeburgesch
			lub	Luba-Katanga
			lug	Ganda
			lui	Luiseno
			lun	Lunda
			luo	Luo (Kenya and Tanzania)
			mac	Macedonian
			mad	Madurese
			mag	Magahi
			mah	Marshall
			mai	Maithili
			mak	Macedonian
			mak	Makasar
			mal	Malayalam
			man	Mandingo
			mao	Maori
			map	Austronesian (Other)
			mar	Marathi
			mas	Masai
			max	Manx
			may	Malay
			men	Mende
			mga	Irish, Middle (900 - 1200)
			mic	Micmac
			min	Minangkabau
			mis	Miscellaneous (Other)
			mkh	Mon-Kmer (Other)
			mlg	Malagasy
			mlt	Maltese
			mni	Manipuri
			mno	Manobo Languages
			moh	Mohawk
			mol	Moldavian
			mon	Mongolian
			mos	Mossi
			mri	Maori
			msa	Malay
			mul	Multiple Languages
			mun	Munda Languages
			mus	Creek
			mwr	Marwari
			mya	Burmese
			myn	Mayan Languages
			nah	Aztec
			nai	North American Indian (Other)
			nau	Nauru
			nav	Navajo
			nbl	Ndebele, South
			nde	Ndebele, North
			ndo	Ndongo
			nep	Nepali
			new	Newari
			nic	Niger-Kordofanian (Other)
			niu	Niuean
			nla	Dutch
			nno	Norwegian (Nynorsk)
			non	Norse, Old
			nor	Norwegian
			nso	Sotho, Northern
			nub	Nubian Languages
			nya	Nyanja
			nym	Nyamwezi
			nyn	Nyankole
			nyo	Nyoro
			nzi	Nzima
			oci	Langue d'Oc (post 1500)
			oji	Ojibwa
			ori	Oriya
			orm	Oromo
			osa	Osage
			oss	Ossetic
			ota	Turkish, Ottoman (1500 - 1928)
			oto	Otomian Languages
			paa	Papuan-Australian (Other)
			pag	Pangasinan
			pal	Pahlavi
			pam	Pampanga
			pan	Panjabi
			pap	Papiamento
			pau	Palauan
			peo	Persian, Old (ca 600 - 400 B.C.)
			per	Persian
			phn	Phoenician
			pli	Pali
			pol	Polish
			pon	Ponape
			por	Portuguese
			pra	Prakrit uages
			pro	Provencal, Old (to 1500)
			pus	Pushto
			que	Quechua
			raj	Rajasthani
			rar	Rarotongan
			roa	Romance (Other)
			roh	Rhaeto-Romance
			rom	Romany
			ron	Romanian
			rum	Romanian
			run	Rundi
			rus	Russian
			sad	Sandawe
			sag	Sango
			sah	Yakut
			sai	South American Indian (Other)
			sal	Salishan Languages
			sam	Samaritan Aramaic
			san	Sanskrit
			sco	Scots
			scr	Serbo-Croatian
			sel	Selkup
			sem	Semitic (Other)
			sga	Irish, Old (to 900)
			shn	Shan
			sid	Sidamo
			sin	Singhalese
			sio	Siouan Languages
			sit	Sino-Tibetan (Other)
			sla	Slavic (Other)
			slk	Slovak
			slo	Slovak
			slv	Slovenian
			smi	Sami Languages
			smo	Samoan
			sna	Shona
			snd	Sindhi
			sog	Sogdian
			som	Somali
			son	Songhai
			sot	Sotho, Southern
			spa	Spanish
			sqi	Albanian
			srd	Sardinian
			srr	Serer
			ssa	Nilo-Saharan (Other)
			ssw	Siswant
			ssw	Swazi
			suk	Sukuma
			sun	Sudanese
			sus	Susu
			sux	Sumerian
			sve	Swedish
			swa	Swahili
			swe	Swedish
			syr	Syriac
			tah	Tahitian
			tam	Tamil
			tat	Tatar
			tel	Telugu
			tem	Timne
			ter	Tereno
			tgk	Tajik
			tgl	Tagalog
			tha	Thai
			tib	Tibetan
			tig	Tigre
			tir	Tigrinya
			tiv	Tivi
			tli	Tlingit
			tmh	Tamashek
			tog	Tonga (Nyasa)
			ton	Tonga (Tonga Islands)
			tru	Truk
			tsi	Tsimshian
			tsn	Tswana
			tso	Tsonga
			tuk	Turkmen
			tum	Tumbuka
			tur	Turkish
			tut	Altaic (Other)
			twi	Twi
			tyv	Tuvinian
			uga	Ugaritic
			uig	Uighur
			ukr	Ukrainian
			umb	Umbundu
			und	Undetermined
			urd	Urdu
			uzb	Uzbek
			vai	Vai
			ven	Venda
			vie	Vietnamese
			vol	Volapük
			vot	Votic
			wak	Wakashan Languages
			wal	Walamo
			war	Waray
			was	Washo
			wel	Welsh
			wen	Sorbian Languages
			wol	Wolof
			xho	Xhosa
			yao	Yao
			yap	Yap
			yid	Yiddish
			yor	Yoruba
			zap	Zapotec