lib/languagedetect/Text/LanguageDetect/ISO639.php

   1 <?php
   2 /**
   3  * Part of Text_LanguageDetect
   4  *
   5  * PHP version 5
   6  *
   7  * @category  Text
   8  * @package   Text_LanguageDetect
   9  * @author    Christian Weiske <cweiske@php.net>
  10  * @copyright 2011 Christian Weiske <cweiske@php.net>
  11  * @license   http://www.debian.org/misc/bsd.license BSD
  12  * @version   SVN: $Id$
  13  * @link      http://pear.php.net/package/Text_LanguageDetect/
  14  */
  15
  16 /**
  17  * Provides a mapping between the languages from lang.dat and the
  18  * ISO 639-1 and ISO-639-2 codes.
  19  *
  20  * Note that this class contains only languages that exist in lang.dat.
  21  *
  22  * @category  Text
  23  * @package   Text_LanguageDetect
  24  * @author    Christian Weiske <cweiske@php.net>
  25  * @copyright 2011 Christian Weiske <cweiske@php.net>
  26  * @license   http://www.debian.org/misc/bsd.license BSD
  27  * @link      http://www.loc.gov/standards/iso639-2/php/code_list.php
  28  */
  29 class Text_LanguageDetect_ISO639
  30 {
  31     /**
  32      * Maps all language names from the language database to the
  33      * ISO 639-1 2-letter language code.
  34      *
  35      * NULL indicates that there is no 2-letter code.
  36      *
  37      * @var array
  38      */
  39     public static $nameToCode2 = array(
  40         'albanian'   => 'sq',
  41         'arabic'     => 'ar',
  42         'azeri'      => 'az',
  43         'bengali'    => 'bn',
  44         'bulgarian'  => 'bg',
  45         'cebuano'    => null,
  46         'croatian'   => 'hr',
  47         'czech'      => 'cs',
  48         'danish'     => 'da',
  49         'dutch'      => 'nl',
  50         'english'    => 'en',
  51         'estonian'   => 'et',
  52         'farsi'      => 'fa',
  53         'finnish'    => 'fi',
  54         'french'     => 'fr',
  55         'german'     => 'de',
  56         'hausa'      => 'ha',
  57         'hawaiian'   => null,
  58         'hindi'      => 'hi',
  59         'hungarian'  => 'hu',
  60         'icelandic'  => 'is',
  61         'indonesian' => 'id',
  62         'italian'    => 'it',
  63         'kazakh'     => 'kk',
  64         'kyrgyz'     => 'ky',
  65         'latin'      => 'la',
  66         'latvian'    => 'lv',
  67         'lithuanian' => 'lt',
  68         'macedonian' => 'mk',
  69         'mongolian'  => 'mn',
  70         'nepali'     => 'ne',
  71         'norwegian'  => 'no',
  72         'pashto'     => 'ps',
  73         'pidgin'     => null,
  74         'polish'     => 'pl',
  75         'portuguese' => 'pt',
  76         'romanian'   => 'ro',
  77         'russian'    => 'ru',
  78         'serbian'    => 'sr',
  79         'slovak'     => 'sk',
  80         'slovene'    => 'sl',
  81         'somali'     => 'so',
  82         'spanish'    => 'es',
  83         'swahili'    => 'sw',
  84         'swedish'    => 'sv',
  85         'tagalog'    => 'tl',
  86         'turkish'    => 'tr',
  87         'ukrainian'  => 'uk',
  88         'urdu'       => 'ur',
  89         'uzbek'      => 'uz',
  90         'vietnamese' => 'vi',
  91         'welsh'      => 'cy',
  92     );
  93
  94     /**
  95      * Maps all language names from the language database to the
  96      * ISO 639-2 3-letter language code.
  97      *
  98      * @var array
  99      */
 100     public static $nameToCode3 = array(
 101         'albanian'   => 'sqi',
 102         'arabic'     => 'ara',
 103         'azeri'      => 'aze',
 104         'bengali'    => 'ben',
 105         'bulgarian'  => 'bul',
 106         'cebuano'    => 'ceb',
 107         'croatian'   => 'hrv',
 108         'czech'      => 'ces',
 109         'danish'     => 'dan',
 110         'dutch'      => 'nld',
 111         'english'    => 'eng',
 112         'estonian'   => 'est',
 113         'farsi'      => 'fas',
 114         'finnish'    => 'fin',
 115         'french'     => 'fra',
 116         'german'     => 'deu',
 117         'hausa'      => 'hau',
 118         'hawaiian'   => 'haw',
 119         'hindi'      => 'hin',
 120         'hungarian'  => 'hun',
 121         'icelandic'  => 'isl',
 122         'indonesian' => 'ind',
 123         'italian'    => 'ita',
 124         'kazakh'     => 'kaz',
 125         'kyrgyz'     => 'kir',
 126         'latin'      => 'lat',
 127         'latvian'    => 'lav',
 128         'lithuanian' => 'lit',
 129         'macedonian' => 'mkd',
 130         'mongolian'  => 'mon',
 131         'nepali'     => 'nep',
 132         'norwegian'  => 'nor',
 133         'pashto'     => 'pus',
 134         'pidgin'     => 'crp',
 135         'polish'     => 'pol',
 136         'portuguese' => 'por',
 137         'romanian'   => 'ron',
 138         'russian'    => 'rus',
 139         'serbian'    => 'srp',
 140         'slovak'     => 'slk',
 141         'slovene'    => 'slv',
 142         'somali'     => 'som',
 143         'spanish'    => 'spa',
 144         'swahili'    => 'swa',
 145         'swedish'    => 'swe',
 146         'tagalog'    => 'tgl',
 147         'turkish'    => 'tur',
 148         'ukrainian'  => 'ukr',
 149         'urdu'       => 'urd',
 150         'uzbek'      => 'uzb',
 151         'vietnamese' => 'vie',
 152         'welsh'      => 'cym',
 153     );
 154
 155     /**
 156      * Maps ISO 639-1 2-letter language codes to the language names
 157      * in the language database
 158      *
 159      * Not all languages have a 2 letter code, so some are missing
 160      *
 161      * @var array
 162      */
 163     public static $code2ToName = array(
 164         'ar' => 'arabic',
 165         'az' => 'azeri',
 166         'bg' => 'bulgarian',
 167         'bn' => 'bengali',
 168         'cs' => 'czech',
 169         'cy' => 'welsh',
 170         'da' => 'danish',
 171         'de' => 'german',
 172         'en' => 'english',
 173         'es' => 'spanish',
 174         'et' => 'estonian',
 175         'fa' => 'farsi',
 176         'fi' => 'finnish',
 177         'fr' => 'french',
 178         'ha' => 'hausa',
 179         'hi' => 'hindi',
 180         'hr' => 'croatian',
 181         'hu' => 'hungarian',
 182         'id' => 'indonesian',
 183         'is' => 'icelandic',
 184         'it' => 'italian',
 185         'kk' => 'kazakh',
 186         'ky' => 'kyrgyz',
 187         'la' => 'latin',
 188         'lt' => 'lithuanian',
 189         'lv' => 'latvian',
 190         'mk' => 'macedonian',
 191         'mn' => 'mongolian',
 192         'ne' => 'nepali',
 193         'nl' => 'dutch',
 194         'no' => 'norwegian',
 195         'pl' => 'polish',
 196         'ps' => 'pashto',
 197         'pt' => 'portuguese',
 198         'ro' => 'romanian',
 199         'ru' => 'russian',
 200         'sk' => 'slovak',
 201         'sl' => 'slovene',
 202         'so' => 'somali',
 203         'sq' => 'albanian',
 204         'sr' => 'serbian',
 205         'sv' => 'swedish',
 206         'sw' => 'swahili',
 207         'tl' => 'tagalog',
 208         'tr' => 'turkish',
 209         'uk' => 'ukrainian',
 210         'ur' => 'urdu',
 211         'uz' => 'uzbek',
 212         'vi' => 'vietnamese',
 213     );
 214
 215     /**
 216      * Maps ISO 639-2 3-letter language codes to the language names
 217      * in the language database.
 218      *
 219      * @var array
 220      */
 221     public static $code3ToName = array(
 222         'ara' => 'arabic',
 223         'aze' => 'azeri',
 224         'ben' => 'bengali',
 225         'bul' => 'bulgarian',
 226         'ceb' => 'cebuano',
 227         'ces' => 'czech',
 228         'crp' => 'pidgin',
 229         'cym' => 'welsh',
 230         'dan' => 'danish',
 231         'deu' => 'german',
 232         'eng' => 'english',
 233         'est' => 'estonian',
 234         'fas' => 'farsi',
 235         'fin' => 'finnish',
 236         'fra' => 'french',
 237         'hau' => 'hausa',
 238         'haw' => 'hawaiian',
 239         'hin' => 'hindi',
 240         'hrv' => 'croatian',
 241         'hun' => 'hungarian',
 242         'ind' => 'indonesian',
 243         'isl' => 'icelandic',
 244         'ita' => 'italian',
 245         'kaz' => 'kazakh',
 246         'kir' => 'kyrgyz',
 247         'lat' => 'latin',
 248         'lav' => 'latvian',
 249         'lit' => 'lithuanian',
 250         'mkd' => 'macedonian',
 251         'mon' => 'mongolian',
 252         'nep' => 'nepali',
 253         'nld' => 'dutch',
 254         'nor' => 'norwegian',
 255         'pol' => 'polish',
 256         'por' => 'portuguese',
 257         'pus' => 'pashto',
 258         'rom' => 'romanian',
 259         'rus' => 'russian',
 260         'slk' => 'slovak',
 261         'slv' => 'slovene',
 262         'som' => 'somali',
 263         'spa' => 'spanish',
 264         'sqi' => 'albanian',
 265         'srp' => 'serbian',
 266         'swa' => 'swahili',
 267         'swe' => 'swedish',
 268         'tgl' => 'tagalog',
 269         'tur' => 'turkish',
 270         'ukr' => 'ukrainian',
 271         'urd' => 'urdu',
 272         'uzb' => 'uzbek',
 273         'vie' => 'vietnamese',
 274     );
 275
 276     /**
 277      * Returns the 2-letter ISO 639-1 code for the given language name.
 278      *
 279      * @param string $lang English language name like "swedish"
 280      *
 281      * @return string Two-letter language code (e.g. "sv") or NULL if not found
 282      */
 283     public static function nameToCode2($lang)
 284     {
 285         $lang = strtolower($lang);
 286         if (!isset(self::$nameToCode2[$lang])) {
 287             return null;
 288         }
 289         return self::$nameToCode2[$lang];
 290     }
 291
 292     /**
 293      * Returns the 3-letter ISO 639-2 code for the given language name.
 294      *
 295      * @param string $lang English language name like "swedish"
 296      *
 297      * @return string Three-letter language code (e.g. "swe") or NULL if not found
 298      */
 299     public static function nameToCode3($lang)
 300     {
 301         $lang = strtolower($lang);
 302         if (!isset(self::$nameToCode3[$lang])) {
 303             return null;
 304         }
 305         return self::$nameToCode3[$lang];
 306     }
 307
 308     /**
 309      * Returns the language name for the given 2-letter ISO 639-1 code.
 310      *
 311      * @param string $code Two-letter language code (e.g. "sv")
 312      *
 313      * @return string English language name like "swedish"
 314      */
 315     public static function code2ToName($code)
 316     {
 317         $lang = strtolower($code);
 318         if (!isset(self::$code2ToName[$code])) {
 319             return null;
 320         }
 321         return self::$code2ToName[$code];
 322     }
 323
 324     /**
 325      * Returns the language name for the given 3-letter ISO 639-2 code.
 326      *
 327      * @param string $code Three-letter language code (e.g. "swe")
 328      *
 329      * @return string English language name like "swedish"
 330      */
 331     public static function code3ToName($code)
 332     {
 333         $lang = strtolower($code);
 334         if (!isset(self::$code3ToName[$code])) {
 335             return null;
 336         }
 337         return self::$code3ToName[$code];
 338     }
 339 }
 340
 341 ?>