PHP and JavaScript ISO639-1 / 2 Letter Language Codes

(last update March 2015)

A PHP array and a JavaScript object with all the ISO639-1 (2 letter code) languages, updated today 6 of March 2015 from the official site for ISO639 Librarian of Congress.

PHP 2 Letter Language Codes ISO639-1

languagesISO639_1 = array(
    'aa' => 'Afar',
    'ab' => 'Abkhazian',
    'ae' => 'Avestan',
    'af' => 'Afrikaans',
    'ak' => 'Akan',
    'am' => 'Amharic',
    'an' => 'Aragonese',
    'ar' => 'Arabic',
    'as' => 'Assamese',
    'av' => 'Avaric',
    'ay' => 'Aymara',
    'az' => 'Azerbaijani',
    'ba' => 'Bashkir',
    'be' => 'Belarusian',
    'bg' => 'Bulgarian',
    'bh' => 'Bihari',
    'bi' => 'Bislama',
    'bm' => 'Bambara',
    'bn' => 'Bengali',
    'bo' => 'Tibetan',
    'br' => 'Breton',
    'bs' => 'Bosnian',
    'ca' => 'Catalan | Valencian',
    'ce' => 'Chechen',
    'ch' => 'Chamorro',
    'co' => 'Corsican',
    'cr' => 'Cree',
    'cs' => 'Czech',
    'cu' => 'Church Slavic | Old Slavonic | Church Slavonic | Old Bulgarian | Old Church Slavonic',
    'cv' => 'Chuvash',
    'cy' => 'Welsh',
    'da' => 'Danish',
    'de' => 'German',
    'dv' => 'Divehi |  Dhivehi |  Maldivian',
    'dz' => 'Dzongkha',
    'ee' => 'Ewe',
    'el' => 'Greek, Modern (1453-)',
    'en' => 'English',
    'eo' => 'Esperanto',
    'es' => 'Spanish |  Castilian',
    'et' => 'Estonian',
    'eu' => 'Basque',
    'fa' => 'Persian',
    'ff' => 'Fulah',
    'fi' => 'Finnish',
    'fj' => 'Fijian',
    'fo' => 'Faroese',
    'fr' => 'French',
    'fy' => 'Western Frisian',
    'ga' => 'Irish',
    'gd' => 'Gaelic | Scottish Gaelic',
    'gl' => 'Galician',
    'gn' => 'Guarani',
    'gu' => 'Gujarati',
    'gv' => 'Manx',
    'ha' => 'Hausa',
    'he' => 'Hebrew',
    'hi' => 'Hindi',
    'ho' => 'Hiri Motu',
    'hr' => 'Croatian',
    'ht' => 'Haitian | Haitian Creole',
    'hu' => 'Hungarian',
    'hy' => 'Armenian',
    'hz' => 'Herero',
    'ia' => 'Interlingua (International Auxiliary Language Association)',
    'id' => 'Indonesian',
    'ie' => 'Interlingue | Occidental',
    'ig' => 'Igbo',
    'ii' => 'Sichuan Yi | Nuosu',
    'ik' => 'Inupiaq',
    'io' => 'Ido',
    'is' => 'Icelandic',
    'it' => 'Italian',
    'iu' => 'Inuktitut',
    'ja' => 'Japanese',
    'jv' => 'Javanese',
    'ka' => 'Georgian',
    'kg' => 'Kongo',
    'ki' => 'Kikuyu |  Gikuyu',
    'kj' => 'Kwanyama, Kuanyama',
    'kk' => 'Kazakh',
    'kl' => 'Kalaallisut | Greenlandic',
    'km' => 'Central Khmer',
    'kn' => 'Kannada',
    'ko' => 'Korean',
    'kr' => 'Kanuri',
    'ks' => 'Kashmiri',
    'ku' => 'Kurdish',
    'kv' => 'Komi',
    'kw' => 'Cornish',
    'ky' => 'Kirghiz | Kyrgyz',
    'la' => 'Latin',
    'lb' => 'Luxembourgish',
    'lg' => 'Ganda',
    'li' => 'Limburgan | Limburger | Limburgish',
    'ln' => 'Lingala',
    'lo' => 'Lao',
    'lt' => 'Lithuanian',
    'lu' => 'Luba-Katanga',
    'lv' => 'Latvian',
    'mg' => 'Malagasy',
    'mh' => 'Marshallese',
    'mi' => 'Maori',
    'mk' => 'Macedonian',
    'ml' => 'Malayalam',
    'mn' => 'Mongolian',
    'mr' => 'Marathi',
    'ms' => 'Malay',
    'mt' => 'Maltese',
    'my' => 'Burmese',
    'na' => 'Nauru',
    'nb' => 'Bokmål, Norwegian | Norwegian Bokmål',
    'nd' => 'Ndebele, North |  North Ndebele',
    'ne' => 'Nepali',
    'ng' => 'Ndonga',
    'nl' => 'Dutch | Flemish',
    'nn' => 'Norwegian Nynorsk | Nynorsk, Norwegian',
    'no' => 'Norwegian',
    'nr' => 'Ndebele, South | South Ndebele',
    'nv' => 'Navajo | Navaho',
    'ny' => 'Chichewa | Chewa | Nyanja',
    'oc' => 'Occitan',
    'oj' => 'Ojibwa',
    'om' => 'Oromo',
    'or' => 'Oriya',
    'os' => 'Ossetian | Ossetic',
    'pa' => 'Panjabi | Punjabi',
    'pi' => 'Pali',
    'pl' => 'Polish',
    'ps' => 'Pushto | Pashto',
    'pt' => 'Portuguese',
    'qu' => 'Quechua',
    'rm' => 'Romansh',
    'rn' => 'Kirundi',
    'ro' => 'Romanian | Moldavian | Moldovan',
    'ru' => 'Russian',
    'rw' => 'Kinyarwanda',
    'sa' => 'Sanskrit',
    'sc' => 'Sardinian',
    'sd' => 'Sindhi',
    'se' => 'Northern Sami',
    'sg' => 'Sango',
    'si' => 'Sinhala | Sinhalese',
    'sk' => 'Slovak',
    'sl' => 'Slovenian',
    'sm' => 'Samoan',
    'sn' => 'Shona',
    'so' => 'Somali',
    'sq' => 'Albanian',
    'sr' => 'Serbian',
    'ss' => 'Swati',
    'st' => 'Sotho, Southern',
    'su' => 'Sundanese',
    'sv' => 'Swedish',
    'sw' => 'Swahili',
    'ta' => 'Tamil',
    'te' => 'Telugu',
    'tg' => 'Tajik',
    'th' => 'Thai',
    'ti' => 'Tigrinya',
    'tk' => 'Turkmen',
    'tl' => 'Tagalog',
    'tn' => 'Tswana',
    'to' => 'Tonga (Tonga Islands)',
    'tr' => 'Turkish',
    'ts' => 'Tsonga',
    'tt' => 'Tatar',
    'tw' => 'Twi',
    'ty' => 'Tahitian',
    'ug' => 'Uighur | Uyghur',
    'uk' => 'Ukrainian',
    'ur' => 'Urdu',
    'uz' => 'Uzbek',
    've' => 'Venda',
    'vi' => 'Vietnamese',
    'vo' => 'Volapük',
    'wa' => 'Walloon',
    'wo' => 'Wolof',
    'xh' => 'Xhosa',
    'yi' => 'Yiddish',
    'yo' => 'Yoruba',
    'za' => 'Zhuang | Chuang',
    'zh' => 'Chinese',
    'zu' => 'Zulu',
);

JavaScript 2 Letter Language Codes ISO639-1

var languagesISO639_1 =
{
    'aa': 'Afar',
    'ab': 'Abkhazian',
    'ae': 'Avestan',
    'af': 'Afrikaans',
    'ak': 'Akan',
    'am': 'Amharic',
    'an': 'Aragonese',
    'ar': 'Arabic',
    'as': 'Assamese',
    'av': 'Avaric',
    'ay': 'Aymara',
    'az': 'Azerbaijani',
    'ba': 'Bashkir',
    'be': 'Belarusian',
    'bg': 'Bulgarian',
    'bh': 'Bihari',
    'bi': 'Bislama',
    'bm': 'Bambara',
    'bn': 'Bengali',
    'bo': 'Tibetan',
    'br': 'Breton',
    'bs': 'Bosnian',
    'ca': 'Catalan | Valencian',
    'ce': 'Chechen',
    'ch': 'Chamorro',
    'co': 'Corsican',
    'cr': 'Cree',
    'cs': 'Czech',
    'cu': 'Church Slavic | Old Slavonic | Church Slavonic | Old Bulgarian | Old Church Slavonic',
    'cv': 'Chuvash',
    'cy': 'Welsh',
    'da': 'Danish',
    'de': 'German',
    'dv': 'Divehi |  Dhivehi |  Maldivian',
    'dz': 'Dzongkha',
    'ee': 'Ewe',
    'el': 'Greek, Modern (1453-)',
    'en': 'English',
    'eo': 'Esperanto',
    'es': 'Spanish |  Castilian',
    'et': 'Estonian',
    'eu': 'Basque',
    'fa': 'Persian',
    'ff': 'Fulah',
    'fi': 'Finnish',
    'fj': 'Fijian',
    'fo': 'Faroese',
    'fr': 'French',
    'fy': 'Western Frisian',
    'ga': 'Irish',
    'gd': 'Gaelic | Scottish Gaelic',
    'gl': 'Galician',
    'gn': 'Guarani',
    'gu': 'Gujarati',
    'gv': 'Manx',
    'ha': 'Hausa',
    'he': 'Hebrew',
    'hi': 'Hindi',
    'ho': 'Hiri Motu',
    'hr': 'Croatian',
    'ht': 'Haitian | Haitian Creole',
    'hu': 'Hungarian',
    'hy': 'Armenian',
    'hz': 'Herero',
    'ia': 'Interlingua (International Auxiliary Language Association)',
    'id': 'Indonesian',
    'ie': 'Interlingue | Occidental',
    'ig': 'Igbo',
    'ii': 'Sichuan Yi | Nuosu',
    'ik': 'Inupiaq',
    'io': 'Ido',
    'is': 'Icelandic',
    'it': 'Italian',
    'iu': 'Inuktitut',
    'ja': 'Japanese',
    'jv': 'Javanese',
    'ka': 'Georgian',
    'kg': 'Kongo',
    'ki': 'Kikuyu |  Gikuyu',
    'kj': 'Kwanyama, Kuanyama',
    'kk': 'Kazakh',
    'kl': 'Kalaallisut | Greenlandic',
    'km': 'Central Khmer',
    'kn': 'Kannada',
    'ko': 'Korean',
    'kr': 'Kanuri',
    'ks': 'Kashmiri',
    'ku': 'Kurdish',
    'kv': 'Komi',
    'kw': 'Cornish',
    'ky': 'Kirghiz | Kyrgyz',
    'la': 'Latin',
    'lb': 'Luxembourgish',
    'lg': 'Ganda',
    'li': 'Limburgan | Limburger | Limburgish',
    'ln': 'Lingala',
    'lo': 'Lao',
    'lt': 'Lithuanian',
    'lu': 'Luba-Katanga',
    'lv': 'Latvian',
    'mg': 'Malagasy',
    'mh': 'Marshallese',
    'mi': 'Maori',
    'mk': 'Macedonian',
    'ml': 'Malayalam',
    'mn': 'Mongolian',
    'mr': 'Marathi',
    'ms': 'Malay',
    'mt': 'Maltese',
    'my': 'Burmese',
    'na': 'Nauru',
    'nb': 'Bokmål, Norwegian | Norwegian Bokmål',
    'nd': 'Ndebele, North |  North Ndebele',
    'ne': 'Nepali',
    'ng': 'Ndonga',
    'nl': 'Dutch | Flemish',
    'nn': 'Norwegian Nynorsk | Nynorsk, Norwegian',
    'no': 'Norwegian',
    'nr': 'Ndebele, South | South Ndebele',
    'nv': 'Navajo | Navaho',
    'ny': 'Chichewa | Chewa | Nyanja',
    'oc': 'Occitan',
    'oj': 'Ojibwa',
    'om': 'Oromo',
    'or': 'Oriya',
    'os': 'Ossetian | Ossetic',
    'pa': 'Panjabi | Punjabi',
    'pi': 'Pali',
    'pl': 'Polish',
    'ps': 'Pushto | Pashto',
    'pt': 'Portuguese',
    'qu': 'Quechua',
    'rm': 'Romansh',
    'rn': 'Kirundi',
    'ro': 'Romanian | Moldavian | Moldovan',
    'ru': 'Russian',
    'rw': 'Kinyarwanda',
    'sa': 'Sanskrit',
    'sc': 'Sardinian',
    'sd': 'Sindhi',
    'se': 'Northern Sami',
    'sg': 'Sango',
    'si': 'Sinhala | Sinhalese',
    'sk': 'Slovak',
    'sl': 'Slovenian',
    'sm': 'Samoan',
    'sn': 'Shona',
    'so': 'Somali',
    'sq': 'Albanian',
    'sr': 'Serbian',
    'ss': 'Swati',
    'st': 'Sotho, Southern',
    'su': 'Sundanese',
    'sv': 'Swedish',
    'sw': 'Swahili',
    'ta': 'Tamil',
    'te': 'Telugu',
    'tg': 'Tajik',
    'th': 'Thai',
    'ti': 'Tigrinya',
    'tk': 'Turkmen',
    'tl': 'Tagalog',
    'tn': 'Tswana',
    'to': 'Tonga (Tonga Islands)',
    'tr': 'Turkish',
    'ts': 'Tsonga',
    'tt': 'Tatar',
    'tw': 'Twi',
    'ty': 'Tahitian',
    'ug': 'Uighur | Uyghur',
    'uk': 'Ukrainian',
    'ur': 'Urdu',
    'uz': 'Uzbek',
    've': 'Venda',
    'vi': 'Vietnamese',
    'vo': 'Volapük',
    'wa': 'Walloon',
    'wo': 'Wolof',
    'xh': 'Xhosa',
    'yi': 'Yiddish',
    'yo': 'Yoruba',
    'za': 'Zhuang | Chuang',
    'zh': 'Chinese',
    'zu': 'Zulu'
};