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