functions/i18n.php

   1 <?php
   2
   3 /**
   4  ** i18n.php
   5  **
   6  ** This file contains variuos functions that are needed to do
   7  ** internationalization of SquirrelMail.
   8  **
   9  ** Internally the output character set is used. Other characters are
  10  ** encoded using Unicode entities according to HTML 4.0.
  11  **
  12  ** $Id$
  13  **/
  14
  15    if (defined ('i18n_php'))
  16       return;
  17    define ('i18n_php', true);
  18
  19    global $squirrelmail_language, $languages;
  20    if (! isset($squirrelmail_language)) { $squirrelmail_language = ''; }
  21
  22    // This array specifies the available languages.
  23    $languages['en']['NAME']    = 'English';
  24    $languages['en']['CHARSET'] = 'iso-8859-1';
  25    $languages['en_EN']['ALIAS'] = 'en';
  26
  27    $languages['ca']['NAME']    = 'Catalan';
  28    $languages['ca']['CHARSET'] = 'iso-8859-1';
  29    $languages['ca_CA']['ALIAS'] = 'ca';
  30
  31    $languages['hr']['NAME']    = 'Croatian';
  32    $languages['hr']['CHARSET'] = 'iso-8859-2';
  33    $languages['hr_HR']['ALIAS'] = 'hr';
  34
  35    $languages['cs_CZ']['NAME']    = 'Czech';
  36    $languages['cs_CZ']['CHARSET'] = 'iso-8859-2';
  37
  38    $languages['da']['NAME']    = 'Danish';
  39    $languages['da']['CHARSET'] = 'iso-8859-1';
  40    $languages['da_DA']['ALIAS'] = 'da';
  41
  42    $languages['de']['NAME']    = 'Deutsch';
  43    $languages['de']['CHARSET'] = 'iso-8859-1';
  44    $languages['de_DE']['ALIAS'] = 'de';
  45
  46    $languages['id']['NAME']    = 'Indonesian';
  47    $languages['id']['CHARSET'] = 'iso-8859-1';
  48    $languages['id_ID']['ALIAS'] = 'id';
  49
  50    $languages['nl']['NAME']    = 'Dutch';
  51    $languages['nl']['CHARSET'] = 'iso-8859-1';
  52    $languages['nl_NL']['ALIAS'] = 'nl';
  53
  54    $languages['fr']['NAME']    = 'French';
  55    $languages['fr']['CHARSET'] = 'iso-8859-1';
  56    $languages['fr_FR']['ALIAS'] = 'fr';
  57
  58    $languages['fi']['NAME']    = 'Finnish';
  59    $languages['fi']['CHARSET'] = 'iso-8859-1';
  60    $languages['fi_FI']['ALIAS'] = 'fi';
  61
  62    $languages['hu']['NAME']    = 'Hungarian';
  63    $languages['hu']['CHARSET'] = 'iso-8859-1';
  64    $languages['hu_HU']['ALIAS'] = 'hu';
  65
  66    $languages['is']['NAME']    = 'Icelandic';
  67    $languages['is']['CHARSET'] = 'iso-8859-1';
  68    $languages['is_IS']['ALIAS'] = 'is';
  69
  70    $languages['it']['NAME']    = 'Italian';
  71    $languages['it']['CHARSET'] = 'iso-8859-1';
  72    $languages['it_IT']['ALIAS'] = 'it';
  73
  74    $languages['ko']['NAME']    = 'Korean';
  75    $languages['ko']['CHARSET'] = 'euc-KR';
  76    $languages['ko_KO']['ALIAS'] = 'ko';
  77
  78    $languages['no']['NAME']    = 'Norwegian (Bokm&aring;l)';
  79    $languages['no']['CHARSET'] = 'iso-8859-1';
  80    $languages['no_NO']['ALIAS'] = 'no';
  81
  82    $languages['no_NO_ny']['NAME']    = 'Norwegian (Nynorsk)';
  83    $languages['no_NO_ny']['CHARSET'] = 'iso-8859-1';
  84
  85    $languages['pl']['NAME']    = 'Polish';
  86    $languages['pl']['CHARSET'] = 'iso-8859-2';
  87    $languages['pl_PL']['ALIAS'] = 'pl';
  88
  89    $languages['pt']['NAME'] = 'Português (Portugal)';
  90    $languages['pt']['CHARSET'] = 'iso-8859-1';
  91    $languages['pt_PT']['ALIAS'] = 'pt';
  92
  93    $languages['pt_BR']['NAME']    = 'Portuguese (Brazil)';
  94    $languages['pt_BR']['CHARSET'] = 'iso-8859-1';
  95
  96    $languages['ru']['NAME']    = 'Russian KOI8-R';
  97    $languages['ru']['CHARSET'] = 'koi8-r';
  98    $languages['ru_RU']['ALIAS'] = 'ru';
  99
 100    $languages['sr']['NAME']    = 'Serbian';
 101    $languages['sr']['CHARSET'] = 'iso-8859-2';
 102    $languages['sr_SR']['ALIAS'] = 'sr';
 103
 104    $languages['es']['NAME']    = 'Spanish';
 105    $languages['es']['CHARSET'] = 'iso-8859-1';
 106    $languages['es_ES']['ALIAS'] = 'es';
 107
 108    $languages['sv']['NAME']    = 'Swedish';
 109    $languages['sv']['CHARSET'] = 'iso-8859-1';
 110    $languages['sv_SV']['ALIAS'] = 'sv';
 111
 112    $languages['tw']['NAME']    = 'Taiwan';
 113    $languages['tw']['CHARSET'] = 'big5';
 114    $languages['tw_TW']['ALIAS'] = 'tw';
 115
 116
 117    // Decodes a string to the internal encoding from the given charset
 118    function charset_decode ($charset, $string) {
 119       global $debug_mime;
 120
 121       // All HTML special characters are 7 bit and can be replaced first
 122       $string = htmlspecialchars ($string);
 123
 124       $charset = strtolower($charset);
 125
 126       if ($debug_mime) $string = $charset . ':' . $string;
 127
 128       if (ereg('iso-8859-([[:digit:]]+)', $charset, $res)) {
 129          if ($res[1] == '1')
 130             return charset_decode_iso_8859_1 ($string);
 131          else if ($res[1] == '2')
 132             return charset_decode_iso_8859_2 ($string);
 133          else if ($res[1] == '7')
 134             return charset_decode_iso_8859_7 ($string);
 135          else if ($res[1] == '15')
 136             return charset_decode_iso_8859_15 ($string);
 137          else
 138             return charset_decode_iso_8859_default ($string);
 139       } else if ($charset == 'ns_4551-1') {
 140          return charset_decode_ns_4551_1 ($string);
 141       } else if ($charset == 'koi8-r') {
 142         return charset_decode_koi8r ($string);
 143       } else
 144          return $string;
 145    }
 146
 147    // iso-8859-1 is the same as Latin 1 and is normally used
 148    // in western europe.
 149    function charset_decode_iso_8859_1 ($string) {
 150       global $default_charset;
 151
 152       if (strtolower($default_charset) == 'iso-8859-1') {
 153          return $string;
 154       } else {
 155          // Only do the slow convert if there are 8-bit characters
 156          if (ereg("[\200-\377]", $string)) {
 157             $string = str_replace("\201", '&#129;', $string);
 158             $string = str_replace("\202", '&#130;', $string);
 159             $string = str_replace("\203", '&#131;', $string);
 160             $string = str_replace("\204", '&#132;', $string);
 161             $string = str_replace("\205", '&#133;', $string);
 162             $string = str_replace("\206", '&#134;', $string);
 163             $string = str_replace("\207", '&#135;', $string);
 164             $string = str_replace("\210", '&#136;', $string);
 165             $string = str_replace("\211", '&#137;', $string);
 166             $string = str_replace("\212", '&#138;', $string);
 167             $string = str_replace("\213", '&#139;', $string);
 168             $string = str_replace("\214", '&#140;', $string);
 169             $string = str_replace("\215", '&#141;', $string);
 170             $string = str_replace("\216", '&#142;', $string);
 171             $string = str_replace("\217", '&#143;', $string);
 172             $string = str_replace("\220", '&#144;', $string);
 173             $string = str_replace("\221", '&#145;', $string);
 174             $string = str_replace("\222", '&#146;', $string);
 175             $string = str_replace("\223", '&#147;', $string);
 176             $string = str_replace("\224", '&#148;', $string);
 177             $string = str_replace("\225", '&#149;', $string);
 178             $string = str_replace("\226", '&#150;', $string);
 179             $string = str_replace("\227", '&#151;', $string);
 180             $string = str_replace("\230", '&#152;', $string);
 181             $string = str_replace("\231", '&#153;', $string);
 182             $string = str_replace("\232", '&#154;', $string);
 183             $string = str_replace("\233", '&#155;', $string);
 184             $string = str_replace("\234", '&#156;', $string);
 185             $string = str_replace("\235", '&#157;', $string);
 186             $string = str_replace("\236", '&#158;', $string);
 187             $string = str_replace("\237", '&#159;', $string);
 188             $string = str_replace("\240", '&#160;', $string);
 189             $string = str_replace("\241", '&#161;', $string);
 190             $string = str_replace("\242", '&#162;', $string);
 191             $string = str_replace("\243", '&#163;', $string);
 192             $string = str_replace("\244", '&#164;', $string);
 193             $string = str_replace("\245", '&#165;', $string);
 194             $string = str_replace("\246", '&#166;', $string);
 195             $string = str_replace("\247", '&#167;', $string);
 196             $string = str_replace("\250", '&#168;', $string);
 197             $string = str_replace("\251", '&#169;', $string);
 198             $string = str_replace("\252", '&#170;', $string);
 199             $string = str_replace("\253", '&#171;', $string);
 200             $string = str_replace("\254", '&#172;', $string);
 201             $string = str_replace("\255", '&#173;', $string);
 202             $string = str_replace("\256", '&#174;', $string);
 203             $string = str_replace("\257", '&#175;', $string);
 204             $string = str_replace("\260", '&#176;', $string);
 205             $string = str_replace("\261", '&#177;', $string);
 206             $string = str_replace("\262", '&#178;', $string);
 207             $string = str_replace("\263", '&#179;', $string);
 208             $string = str_replace("\264", '&#180;', $string);
 209             $string = str_replace("\265", '&#181;', $string);
 210             $string = str_replace("\266", '&#182;', $string);
 211             $string = str_replace("\267", '&#183;', $string);
 212             $string = str_replace("\270", '&#184;', $string);
 213             $string = str_replace("\271", '&#185;', $string);
 214             $string = str_replace("\272", '&#186;', $string);
 215             $string = str_replace("\273", '&#187;', $string);
 216             $string = str_replace("\274", '&#188;', $string);
 217             $string = str_replace("\275", '&#189;', $string);
 218             $string = str_replace("\276", '&#190;', $string);
 219             $string = str_replace("\277", '&#191;', $string);
 220             $string = str_replace("\300", '&#192;', $string);
 221             $string = str_replace("\301", '&#193;', $string);
 222             $string = str_replace("\302", '&#194;', $string);
 223             $string = str_replace("\303", '&#195;', $string);
 224             $string = str_replace("\304", '&#196;', $string);
 225             $string = str_replace("\305", '&#197;', $string);
 226             $string = str_replace("\306", '&#198;', $string);
 227             $string = str_replace("\307", '&#199;', $string);
 228             $string = str_replace("\310", '&#200;', $string);
 229             $string = str_replace("\311", '&#201;', $string);
 230             $string = str_replace("\312", '&#202;', $string);
 231             $string = str_replace("\313", '&#203;', $string);
 232             $string = str_replace("\314", '&#204;', $string);
 233             $string = str_replace("\315", '&#205;', $string);
 234             $string = str_replace("\316", '&#206;', $string);
 235             $string = str_replace("\317", '&#207;', $string);
 236             $string = str_replace("\320", '&#208;', $string);
 237             $string = str_replace("\321", '&#209;', $string);
 238             $string = str_replace("\322", '&#210;', $string);
 239             $string = str_replace("\323", '&#211;', $string);
 240             $string = str_replace("\324", '&#212;', $string);
 241             $string = str_replace("\325", '&#213;', $string);
 242             $string = str_replace("\326", '&#214;', $string);
 243             $string = str_replace("\327", '&#215;', $string);
 244             $string = str_replace("\330", '&#216;', $string);
 245             $string = str_replace("\331", '&#217;', $string);
 246             $string = str_replace("\332", '&#218;', $string);
 247             $string = str_replace("\333", '&#219;', $string);
 248             $string = str_replace("\334", '&#220;', $string);
 249             $string = str_replace("\335", '&#221;', $string);
 250             $string = str_replace("\336", '&#222;', $string);
 251             $string = str_replace("\337", '&#223;', $string);
 252             $string = str_replace("\340", '&#224;', $string);
 253             $string = str_replace("\341", '&#225;', $string);
 254             $string = str_replace("\342", '&#226;', $string);
 255             $string = str_replace("\343", '&#227;', $string);
 256             $string = str_replace("\344", '&#228;', $string);
 257             $string = str_replace("\345", '&#229;', $string);
 258             $string = str_replace("\346", '&#230;', $string);
 259             $string = str_replace("\347", '&#231;', $string);
 260             $string = str_replace("\350", '&#232;', $string);
 261             $string = str_replace("\351", '&#233;', $string);
 262             $string = str_replace("\352", '&#234;', $string);
 263             $string = str_replace("\353", '&#235;', $string);
 264             $string = str_replace("\354", '&#236;', $string);
 265             $string = str_replace("\355", '&#237;', $string);
 266             $string = str_replace("\356", '&#238;', $string);
 267             $string = str_replace("\357", '&#239;', $string);
 268             $string = str_replace("\360", '&#240;', $string);
 269             $string = str_replace("\361", '&#241;', $string);
 270             $string = str_replace("\362", '&#242;', $string);
 271             $string = str_replace("\363", '&#243;', $string);
 272             $string = str_replace("\364", '&#244;', $string);
 273             $string = str_replace("\365", '&#245;', $string);
 274             $string = str_replace("\366", '&#246;', $string);
 275             $string = str_replace("\367", '&#247;', $string);
 276             $string = str_replace("\370", '&#248;', $string);
 277             $string = str_replace("\371", '&#249;', $string);
 278             $string = str_replace("\372", '&#250;', $string);
 279             $string = str_replace("\373", '&#251;', $string);
 280             $string = str_replace("\374", '&#252;', $string);
 281             $string = str_replace("\375", '&#253;', $string);
 282             $string = str_replace("\376", '&#254;', $string);
 283             $string = str_replace("\377", '&#255;', $string);
 284          }
 285       }
 286
 287       return ($string);
 288    }
 289
 290    // iso-8859-2 is used for some eastern European languages
 291    function charset_decode_iso_8859_2 ($string) {
 292       global $default_charset;
 293
 294       if (strtolower($default_charset) == 'iso-8859-2')
 295          return $string;
 296
 297       // Only do the slow convert if there are 8-bit characters
 298       if (! ereg("[\200-\377]", $string))
 299          return $string;
 300
 301       // NO-BREAK SPACE
 302       $string = str_replace("\240", '&#160;', $string);
 303       // LATIN CAPITAL LETTER A WITH OGONEK
 304       $string = str_replace("\241", '&#260;', $string);
 305       // BREVE
 306       $string = str_replace("\242", '&#728;', $string);
 307       // LATIN CAPITAL LETTER L WITH STROKE
 308       $string = str_replace("\243", '&#321;', $string);
 309       // CURRENCY SIGN
 310       $string = str_replace("\244", '&#164;', $string);
 311       // LATIN CAPITAL LETTER L WITH CARON
 312       $string = str_replace("\245", '&#317;', $string);
 313       // LATIN CAPITAL LETTER S WITH ACUTE
 314       $string = str_replace("\246", '&#346;', $string);
 315       // SECTION SIGN
 316       $string = str_replace("\247", '&#167;', $string);
 317       // DIAERESIS
 318       $string = str_replace("\250", '&#168;', $string);
 319       // LATIN CAPITAL LETTER S WITH CARON
 320       $string = str_replace("\251", '&#352;', $string);
 321       // LATIN CAPITAL LETTER S WITH CEDILLA
 322       $string = str_replace("\252", '&#350;', $string);
 323       // LATIN CAPITAL LETTER T WITH CARON
 324       $string = str_replace("\253", '&#356;', $string);
 325       // LATIN CAPITAL LETTER Z WITH ACUTE
 326       $string = str_replace("\254", '&#377;', $string);
 327       // SOFT HYPHEN
 328       $string = str_replace("\255", '&#173;', $string);
 329       // LATIN CAPITAL LETTER Z WITH CARON
 330       $string = str_replace("\256", '&#381;', $string);
 331       // LATIN CAPITAL LETTER Z WITH DOT ABOVE
 332       $string = str_replace("\257", '&#379;', $string);
 333       // DEGREE SIGN
 334       $string = str_replace("\260", '&#176;', $string);
 335       // LATIN SMALL LETTER A WITH OGONEK
 336       $string = str_replace("\261", '&#261;', $string);
 337       // OGONEK
 338       $string = str_replace("\262", '&#731;', $string);
 339       // LATIN SMALL LETTER L WITH STROKE
 340       $string = str_replace("\263", '&#322;', $string);
 341       // ACUTE ACCENT
 342       $string = str_replace("\264", '&#180;', $string);
 343       // LATIN SMALL LETTER L WITH CARON
 344       $string = str_replace("\265", '&#318;', $string);
 345       // LATIN SMALL LETTER S WITH ACUTE
 346       $string = str_replace("\266", '&#347;', $string);
 347       // CARON
 348       $string = str_replace("\267", '&#711;', $string);
 349       // CEDILLA
 350       $string = str_replace("\270", '&#184;', $string);
 351       // LATIN SMALL LETTER S WITH CARON
 352       $string = str_replace("\271", '&#353;', $string);
 353       // LATIN SMALL LETTER S WITH CEDILLA
 354       $string = str_replace("\272", '&#351;', $string);
 355       // LATIN SMALL LETTER T WITH CARON
 356       $string = str_replace("\273", '&#357;', $string);
 357       // LATIN SMALL LETTER Z WITH ACUTE
 358       $string = str_replace("\274", '&#378;', $string);
 359       // DOUBLE ACUTE ACCENT
 360       $string = str_replace("\275", '&#733;', $string);
 361       // LATIN SMALL LETTER Z WITH CARON
 362       $string = str_replace("\276", '&#382;', $string);
 363       // LATIN SMALL LETTER Z WITH DOT ABOVE
 364       $string = str_replace("\277", '&#380;', $string);
 365       // LATIN CAPITAL LETTER R WITH ACUTE
 366       $string = str_replace("\300", '&#340;', $string);
 367       // LATIN CAPITAL LETTER A WITH ACUTE
 368       $string = str_replace("\301", '&#193;', $string);
 369       // LATIN CAPITAL LETTER A WITH CIRCUMFLEX
 370       $string = str_replace("\302", '&#194;', $string);
 371       // LATIN CAPITAL LETTER A WITH BREVE
 372       $string = str_replace("\303", '&#258;', $string);
 373       // LATIN CAPITAL LETTER A WITH DIAERESIS
 374       $string = str_replace("\304", '&#196;', $string);
 375       // LATIN CAPITAL LETTER L WITH ACUTE
 376       $string = str_replace("\305", '&#313;', $string);
 377       // LATIN CAPITAL LETTER C WITH ACUTE
 378       $string = str_replace("\306", '&#262;', $string);
 379       // LATIN CAPITAL LETTER C WITH CEDILLA
 380       $string = str_replace("\307", '&#199;', $string);
 381       // LATIN CAPITAL LETTER C WITH CARON
 382       $string = str_replace("\310", '&#268;', $string);
 383       // LATIN CAPITAL LETTER E WITH ACUTE
 384       $string = str_replace("\311", '&#201;', $string);
 385       // LATIN CAPITAL LETTER E WITH OGONEK
 386       $string = str_replace("\312", '&#280;', $string);
 387       // LATIN CAPITAL LETTER E WITH DIAERESIS
 388       $string = str_replace("\313", '&#203;', $string);
 389       // LATIN CAPITAL LETTER E WITH CARON
 390       $string = str_replace("\314", '&#282;', $string);
 391       // LATIN CAPITAL LETTER I WITH ACUTE
 392       $string = str_replace("\315", '&#205;', $string);
 393       // LATIN CAPITAL LETTER I WITH CIRCUMFLEX
 394       $string = str_replace("\316", '&#206;', $string);
 395       // LATIN CAPITAL LETTER D WITH CARON
 396       $string = str_replace("\317", '&#270;', $string);
 397       // LATIN CAPITAL LETTER D WITH STROKE
 398       $string = str_replace("\320", '&#272;', $string);
 399       // LATIN CAPITAL LETTER N WITH ACUTE
 400       $string = str_replace("\321", '&#323;', $string);
 401       // LATIN CAPITAL LETTER N WITH CARON
 402       $string = str_replace("\322", '&#327;', $string);
 403       // LATIN CAPITAL LETTER O WITH ACUTE
 404       $string = str_replace("\323", '&#211;', $string);
 405       // LATIN CAPITAL LETTER O WITH CIRCUMFLEX
 406       $string = str_replace("\324", '&#212;', $string);
 407       // LATIN CAPITAL LETTER O WITH DOUBLE ACUTE
 408       $string = str_replace("\325", '&#336;', $string);
 409       // LATIN CAPITAL LETTER O WITH DIAERESIS
 410       $string = str_replace("\326", '&#214;', $string);
 411       // MULTIPLICATION SIGN
 412       $string = str_replace("\327", '&#215;', $string);
 413       // LATIN CAPITAL LETTER R WITH CARON
 414       $string = str_replace("\330", '&#344;', $string);
 415       // LATIN CAPITAL LETTER U WITH RING ABOVE
 416       $string = str_replace("\331", '&#366;', $string);
 417       // LATIN CAPITAL LETTER U WITH ACUTE
 418       $string = str_replace("\332", '&#218;', $string);
 419       // LATIN CAPITAL LETTER U WITH DOUBLE ACUTE
 420       $string = str_replace("\333", '&#368;', $string);
 421       // LATIN CAPITAL LETTER U WITH DIAERESIS
 422       $string = str_replace("\334", '&#220;', $string);
 423       // LATIN CAPITAL LETTER Y WITH ACUTE
 424       $string = str_replace("\335", '&#221;', $string);
 425       // LATIN CAPITAL LETTER T WITH CEDILLA
 426       $string = str_replace("\336", '&#354;', $string);
 427       // LATIN SMALL LETTER SHARP S
 428       $string = str_replace("\337", '&#223;', $string);
 429       // LATIN SMALL LETTER R WITH ACUTE
 430       $string = str_replace("\340", '&#341;', $string);
 431       // LATIN SMALL LETTER A WITH ACUTE
 432       $string = str_replace("\341", '&#225;', $string);
 433       // LATIN SMALL LETTER A WITH CIRCUMFLEX
 434       $string = str_replace("\342", '&#226;', $string);
 435       // LATIN SMALL LETTER A WITH BREVE
 436       $string = str_replace("\343", '&#259;', $string);
 437       // LATIN SMALL LETTER A WITH DIAERESIS
 438       $string = str_replace("\344", '&#228;', $string);
 439       // LATIN SMALL LETTER L WITH ACUTE
 440       $string = str_replace("\345", '&#314;', $string);
 441       // LATIN SMALL LETTER C WITH ACUTE
 442       $string = str_replace("\346", '&#263;', $string);
 443       // LATIN SMALL LETTER C WITH CEDILLA
 444       $string = str_replace("\347", '&#231;', $string);
 445       // LATIN SMALL LETTER C WITH CARON
 446       $string = str_replace("\350", '&#269;', $string);
 447       // LATIN SMALL LETTER E WITH ACUTE
 448       $string = str_replace("\351", '&#233;', $string);
 449       // LATIN SMALL LETTER E WITH OGONEK
 450       $string = str_replace("\352", '&#281;', $string);
 451       // LATIN SMALL LETTER E WITH DIAERESIS
 452       $string = str_replace("\353", '&#235;', $string);
 453       // LATIN SMALL LETTER E WITH CARON
 454       $string = str_replace("\354", '&#283;', $string);
 455       // LATIN SMALL LETTER I WITH ACUTE
 456       $string = str_replace("\355", '&#237;', $string);
 457       // LATIN SMALL LETTER I WITH CIRCUMFLEX
 458       $string = str_replace("\356", '&#238;', $string);
 459       // LATIN SMALL LETTER D WITH CARON
 460       $string = str_replace("\357", '&#271;', $string);
 461       // LATIN SMALL LETTER D WITH STROKE
 462       $string = str_replace("\360", '&#273;', $string);
 463       // LATIN SMALL LETTER N WITH ACUTE
 464       $string = str_replace("\361", '&#324;', $string);
 465       // LATIN SMALL LETTER N WITH CARON
 466       $string = str_replace("\362", '&#328;', $string);
 467       // LATIN SMALL LETTER O WITH ACUTE
 468       $string = str_replace("\363", '&#243;', $string);
 469       // LATIN SMALL LETTER O WITH CIRCUMFLEX
 470       $string = str_replace("\364", '&#244;', $string);
 471       // LATIN SMALL LETTER O WITH DOUBLE ACUTE
 472       $string = str_replace("\365", '&#337;', $string);
 473       // LATIN SMALL LETTER O WITH DIAERESIS
 474       $string = str_replace("\366", '&#246;', $string);
 475       // DIVISION SIGN
 476       $string = str_replace("\367", '&#247;', $string);
 477       // LATIN SMALL LETTER R WITH CARON
 478       $string = str_replace("\370", '&#345;', $string);
 479       // LATIN SMALL LETTER U WITH RING ABOVE
 480       $string = str_replace("\371", '&#367;', $string);
 481       // LATIN SMALL LETTER U WITH ACUTE
 482       $string = str_replace("\372", '&#250;', $string);
 483       // LATIN SMALL LETTER U WITH DOUBLE ACUTE
 484       $string = str_replace("\373", '&#369;', $string);
 485       // LATIN SMALL LETTER U WITH DIAERESIS
 486       $string = str_replace("\374", '&#252;', $string);
 487       // LATIN SMALL LETTER Y WITH ACUTE
 488       $string = str_replace("\375", '&#253;', $string);
 489       // LATIN SMALL LETTER T WITH CEDILLA
 490       $string = str_replace("\376", '&#355;', $string);
 491       // DOT ABOVE
 492       $string = str_replace("\377", '&#729;', $string);
 493
 494       return $string;
 495    }
 496
 497    // iso-8859-7 is Greek.
 498    function charset_decode_iso_8859_7 ($string) {
 499       global $default_charset;
 500
 501       if (strtolower($default_charset) == 'iso-8859-7')
 502          return $string;
 503
 504       // Only do the slow convert if there are 8-bit characters
 505       if (!ereg("[\200-\377]", $string))
 506          return $string;
 507
 508       // Some diverse characters in the beginning
 509       $string = str_replace("\240", '&#160;', $string);
 510       $string = str_replace("\241", '&#8216;', $string);
 511       $string = str_replace("\242", '&#8217;', $string);
 512       $string = str_replace("\243", '&#163;', $string);
 513       $string = str_replace("\246", '&#166;', $string);
 514       $string = str_replace("\247", '&#167;', $string);
 515       $string = str_replace("\250", '&#168;', $string);
 516       $string = str_replace("\251", '&#169;', $string);
 517       $string = str_replace("\253", '&#171;', $string);
 518       $string = str_replace("\254", '&#172;', $string);
 519       $string = str_replace("\255", '&#173;', $string);
 520       $string = str_replace("\257", '&#8213;', $string);
 521       $string = str_replace("\260", '&#176;', $string);
 522       $string = str_replace("\261", '&#177;', $string);
 523       $string = str_replace("\262", '&#178;', $string);
 524       $string = str_replace("\263", '&#179;', $string);
 525
 526       // Horizontal bar (parentheki pavla)
 527       $string = str_replace ("\257", '&#8213;', $string);
 528
 529       // ISO-8859-7 characters from 11/04 (0xB4) to 11/06 (0xB6)
 530       // These are Unicode 900-902
 531       while (ereg("([\264-\266])", $string, $res)) {
 532          $replace = '&#' . (ord($res[1])+720) . ';';
 533          $string = str_replace($res[1], $replace, $string);
 534       }
 535
 536       // 11/07 (0xB7) Middle dot is the same in iso-8859-1
 537       $string = str_replace("\267", '&#183;', $string);
 538
 539       // ISO-8859-7 characters from 11/08 (0xB8) to 11/10 (0xBA)
 540       // These are Unicode 900-902
 541       while (ereg("([\270-\272])", $string, $res)) {
 542          $replace = '&#' . (ord($res[1])+720) . ";";
 543          $string = str_replace($res[1], $replace, $string);
 544       }
 545
 546       // 11/11 (0xBB) Right angle quotation mark is the same as in
 547       // iso-8859-1
 548       $string = str_replace("\273", '&#187;', $string);
 549
 550       // And now the rest of the charset
 551       while (ereg("([\274-\376])", $string, $res)) {
 552          $replace = '&#' . (ord($res[1])+720) . ';';
 553          $string = str_replace($res[1], $replace, $string);
 554       }
 555
 556       return $string;
 557    }
 558
 559    // iso-8859-15 is Latin 9 and has very much the same use as Latin 1
 560    // but has the Euro symbol and some characters needed for French.
 561    function charset_decode_iso_8859_15 ($string) {
 562       // Euro sign
 563       $string = str_replace ("\244", '&#8364;', $string);
 564       // Latin capital letter S with caron
 565       $string = str_replace ("\244", '&#352;', $string);
 566       // Latin small letter s with caron
 567       $string = str_replace ("\250", '&#353;', $string);
 568       // Latin capital letter Z with caron
 569       $string = str_replace ("\264", '&#381;', $string);
 570       // Latin small letter z with caron
 571       $string = str_replace ("\270", '&#382;', $string);
 572       // Latin capital ligature OE
 573       $string = str_replace ("\274", '&#338;', $string);
 574       // Latin small ligature oe
 575       $string = str_replace ("\275", '&#339;', $string);
 576       // Latin capital letter Y with diaeresis
 577       $string = str_replace ("\276", '&#376;', $string);
 578
 579       return (charset_decode_iso_8859_1($string));
 580    }
 581
 582    // ISO-8859-15 is Cyrillic
 583    function charset_decode_iso_8859_5 ($string) {
 584       // Convert to KOI8-R, then return this decoded.
 585       $string = convert_cyr_string($string, 'i', 'k');
 586       return charset_decode_koi8r($string);
 587    }
 588
 589    // Remove all 8 bit characters from all other ISO-8859 character sets
 590    function charset_decode_iso_8859_default ($string) {
 591       return (strtr($string, "\240\241\242\243\244\245\246\247".
 592                     "\250\251\252\253\254\255\256\257".
 593                     "\260\261\262\263\264\265\266\267".
 594                     "\270\271\272\273\274\275\276\277".
 595                     "\300\301\302\303\304\305\306\307".
 596                     "\310\311\312\313\314\315\316\317".
 597                     "\320\321\322\323\324\325\326\327".
 598                     "\330\331\332\333\334\335\336\337".
 599                     "\340\341\342\343\344\345\346\347".
 600                     "\350\351\352\353\354\355\356\357".
 601                     "\360\361\362\363\364\365\366\367".
 602                     "\370\371\372\373\374\375\376\377",
 603                     "????????????????????????????????????????".
 604                     "????????????????????????????????????????".
 605                     "????????????????????????????????????????".
 606                     "????????"));
 607
 608    }
 609
 610    // This is the same as ISO-646-NO and is used by some
 611    // Microsoft programs when sending Norwegian characters
 612    function charset_decode_ns_4551_1 ($string) {
 613       // These characters are:
 614       // Latin capital letter AE
 615       // Latin capital letter O with stroke
 616       // Latin capital letter A with ring above
 617       // and the same as small letters
 618       return strtr ($string, "[\\]{|}", "ÆØÅæøå");
 619    }
 620
 621    // KOI8-R is used to encode Russian mail (Cyrrilic). Defined in RFC
 622    // 1489.
 623    function charset_decode_koi8r ($string) {
 624       global $default_charset;
 625
 626       if ($default_charset == 'koi8-r')
 627          return $string;
 628
 629       // Convert to Unicode HTML entities.
 630       // This code is rather ineffective.
 631       $string = str_replace("\200", '&#9472;', $string);
 632       $string = str_replace("\201", '&#9474;', $string);
 633       $string = str_replace("\202", '&#9484;', $string);
 634       $string = str_replace("\203", '&#9488;', $string);
 635       $string = str_replace("\204", '&#9492;', $string);
 636       $string = str_replace("\205", '&#9496;', $string);
 637       $string = str_replace("\206", '&#9500;', $string);
 638       $string = str_replace("\207", '&#9508;', $string);
 639       $string = str_replace("\210", '&#9516;', $string);
 640       $string = str_replace("\211", '&#9524;', $string);
 641       $string = str_replace("\212", '&#9532;', $string);
 642       $string = str_replace("\213", '&#9600;', $string);
 643       $string = str_replace("\214", '&#9604;', $string);
 644       $string = str_replace("\215", '&#9608;', $string);
 645       $string = str_replace("\216", '&#9612;', $string);
 646       $string = str_replace("\217", '&#9616;', $string);
 647       $string = str_replace("\220", '&#9617;', $string);
 648       $string = str_replace("\221", '&#9618;', $string);
 649       $string = str_replace("\222", '&#9619;', $string);
 650       $string = str_replace("\223", '&#8992;', $string);
 651       $string = str_replace("\224", '&#9632;', $string);
 652       $string = str_replace("\225", '&#8729;', $string);
 653       $string = str_replace("\226", '&#8730;', $string);
 654       $string = str_replace("\227", '&#8776;', $string);
 655       $string = str_replace("\230", '&#8804;', $string);
 656       $string = str_replace("\231", '&#8805;', $string);
 657       $string = str_replace("\232", '&#160;', $string);
 658       $string = str_replace("\233", '&#8993;', $string);
 659       $string = str_replace("\234", '&#176;', $string);
 660       $string = str_replace("\235", '&#178;', $string);
 661       $string = str_replace("\236", '&#183;', $string);
 662       $string = str_replace("\237", '&#247;', $string);
 663       $string = str_replace("\240", '&#9552;', $string);
 664       $string = str_replace("\241", '&#9553;', $string);
 665       $string = str_replace("\242", '&#9554;', $string);
 666       $string = str_replace("\243", '&#1105;', $string);
 667       $string = str_replace("\244", '&#9555;', $string);
 668       $string = str_replace("\245", '&#9556;', $string);
 669       $string = str_replace("\246", '&#9557;', $string);
 670       $string = str_replace("\247", '&#9558;', $string);
 671       $string = str_replace("\250", '&#9559;', $string);
 672       $string = str_replace("\251", '&#9560;', $string);
 673       $string = str_replace("\252", '&#9561;', $string);
 674       $string = str_replace("\253", '&#9562;', $string);
 675       $string = str_replace("\254", '&#9563;', $string);
 676       $string = str_replace("\255", '&#9564;', $string);
 677       $string = str_replace("\256", '&#9565;', $string);
 678       $string = str_replace("\257", '&#9566;', $string);
 679       $string = str_replace("\260", '&#9567;', $string);
 680       $string = str_replace("\261", '&#9568;', $string);
 681       $string = str_replace("\262", '&#9569;', $string);
 682       $string = str_replace("\263", '&#1025;', $string);
 683       $string = str_replace("\264", '&#9570;', $string);
 684       $string = str_replace("\265", '&#9571;', $string);
 685       $string = str_replace("\266", '&#9572;', $string);
 686       $string = str_replace("\267", '&#9573;', $string);
 687       $string = str_replace("\270", '&#9574;', $string);
 688       $string = str_replace("\271", '&#9575;', $string);
 689       $string = str_replace("\272", '&#9576;', $string);
 690       $string = str_replace("\273", '&#9577;', $string);
 691       $string = str_replace("\274", '&#9578;', $string);
 692       $string = str_replace("\275", '&#9579;', $string);
 693       $string = str_replace("\276", '&#9580;', $string);
 694       $string = str_replace("\277", '&#169;', $string);
 695       $string = str_replace("\300", '&#1102;', $string);
 696       $string = str_replace("\301", '&#1072;', $string);
 697       $string = str_replace("\302", '&#1073;', $string);
 698       $string = str_replace("\303", '&#1094;', $string);
 699       $string = str_replace("\304", '&#1076;', $string);
 700       $string = str_replace("\305", '&#1077;', $string);
 701       $string = str_replace("\306", '&#1092;', $string);
 702       $string = str_replace("\307", '&#1075;', $string);
 703       $string = str_replace("\310", '&#1093;', $string);
 704       $string = str_replace("\311", '&#1080;', $string);
 705       $string = str_replace("\312", '&#1081;', $string);
 706       $string = str_replace("\313", '&#1082;', $string);
 707       $string = str_replace("\314", '&#1083;', $string);
 708       $string = str_replace("\315", '&#1084;', $string);
 709       $string = str_replace("\316", '&#1085;', $string);
 710       $string = str_replace("\317", '&#1086;', $string);
 711       $string = str_replace("\320", '&#1087;', $string);
 712       $string = str_replace("\321", '&#1103;', $string);
 713       $string = str_replace("\322", '&#1088;', $string);
 714       $string = str_replace("\323", '&#1089;', $string);
 715       $string = str_replace("\324", '&#1090;', $string);
 716       $string = str_replace("\325", '&#1091;', $string);
 717       $string = str_replace("\326", '&#1078;', $string);
 718       $string = str_replace("\327", '&#1074;', $string);
 719       $string = str_replace("\330", '&#1100;', $string);
 720       $string = str_replace("\331", '&#1099;', $string);
 721       $string = str_replace("\332", '&#1079;', $string);
 722       $string = str_replace("\333", '&#1096;', $string);
 723       $string = str_replace("\334", '&#1101;', $string);
 724       $string = str_replace("\335", '&#1097;', $string);
 725       $string = str_replace("\336", '&#1095;', $string);
 726       $string = str_replace("\337", '&#1098;', $string);
 727       $string = str_replace("\340", '&#1070;', $string);
 728       $string = str_replace("\341", '&#1040;', $string);
 729       $string = str_replace("\342", '&#1041;', $string);
 730       $string = str_replace("\343", '&#1062;', $string);
 731       $string = str_replace("\344", '&#1044;', $string);
 732       $string = str_replace("\345", '&#1045;', $string);
 733       $string = str_replace("\346", '&#1060;', $string);
 734       $string = str_replace("\347", '&#1043;', $string);
 735       $string = str_replace("\350", '&#1061;', $string);
 736       $string = str_replace("\351", '&#1048;', $string);
 737       $string = str_replace("\352", '&#1049;', $string);
 738       $string = str_replace("\353", '&#1050;', $string);
 739       $string = str_replace("\354", '&#1051;', $string);
 740       $string = str_replace("\355", '&#1052;', $string);
 741       $string = str_replace("\356", '&#1053;', $string);
 742       $string = str_replace("\357", '&#1054;', $string);
 743       $string = str_replace("\360", '&#1055;', $string);
 744       $string = str_replace("\361", '&#1071;', $string);
 745       $string = str_replace("\362", '&#1056;', $string);
 746       $string = str_replace("\363", '&#1057;', $string);
 747       $string = str_replace("\364", '&#1058;', $string);
 748       $string = str_replace("\365", '&#1059;', $string);
 749       $string = str_replace("\366", '&#1046;', $string);
 750       $string = str_replace("\367", '&#1042;', $string);
 751       $string = str_replace("\370", '&#1068;', $string);
 752       $string = str_replace("\371", '&#1067;', $string);
 753       $string = str_replace("\372", '&#1047;', $string);
 754       $string = str_replace("\373", '&#1064;', $string);
 755       $string = str_replace("\374", '&#1069;', $string);
 756       $string = str_replace("\375", '&#1065;', $string);
 757       $string = str_replace("\376", '&#1063;', $string);
 758       $string = str_replace("\377", '&#1066;', $string);
 759
 760       return $string;
 761    }
 762
 763
 764    global $use_gettext;
 765
 766    // Detect whether gettext is installed.
 767    $gettext_flags = 0;
 768    if (function_exists('_')) $gettext_flags += 1;
 769    if (function_exists('bindtextdomain')) $gettext_flags += 2;
 770    if (function_exists('textdomain')) $gettext_flags += 4;
 771
 772    // If gettext is fully loaded, cool
 773    if ($gettext_flags == 7)
 774       $use_gettext = true;
 775    // If we can fake gettext, try that
 776    elseif ($gettext_flags == 0) {
 777       $use_gettext = true;
 778       include('../functions/gettext.php');
 779    } else {
 780       // Uh-ho.  A weird install
 781       if (! $gettext_flags & 1) {
 782          function _($str) { return $str; };
 783       }
 784       if (! $gettext_flags & 2) {
 785          function bindtextdomain() { return; }
 786       }
 787       if (! $gettext_flags & 4) {
 788          function textdomain() { return; }
 789       }
 790    }
 791
 792
 793    // Set up the language to be output
 794    // if $do_search is true, then scan the browser information
 795    // for a possible language that we know
 796    function set_up_language($sm_language, $do_search = false)
 797    {
 798       static $SetupAlready = 0;
 799       global $HTTP_ACCEPT_LANGUAGE, $use_gettext, $languages,
 800           $squirrelmail_language, $squirrelmail_default_language,
 801           $sm_notAlias;
 802
 803       if ($SetupAlready)
 804          return;
 805
 806       $SetupAlready = 1;
 807
 808       $charset_headers_sent=false;
 809
 810       if ($do_search && ! $sm_language && isset($HTTP_ACCEPT_LANGUAGE)) {
 811          $sm_language = substr($HTTP_ACCEPT_LANGUAGE, 0, 2);
 812       }
 813       if (! $sm_language && isset($squirrelmail_default_language))
 814          $sm_language = $squirrelmail_default_language;
 815       $sm_notAlias = $sm_language;
 816       while (isset($languages[$sm_notAlias]['ALIAS']))
 817          $sm_notAlias = $languages[$sm_notAlias]['ALIAS'];
 818
 819       if (isset($sm_language) && $use_gettext &&
 820           $squirrelmail_language != '' &&
 821           isset($languages[$sm_notAlias]['CHARSET'])) {
 822          if ((ini_get('safe_mode') == FALSE) && (getenv('LC_ALL') != $sm_language)) {
 823            putenv('LC_ALL=' . $sm_notAlias);
 824          }
 825          setlocale('LC_ALL', $sm_notAlias);
 826          bindtextdomain('squirrelmail', '../locale/');
 827          textdomain('squirrelmail');
 828          header ('Content-Type: text/html; charset=' . $languages[$sm_language]['CHARSET']);
 829       }
 830    }
 831
 832    function set_my_charset(){
 833      //
 834      // There can be a $default_charset setting in the
 835      // config.php file, but the user may have a different language
 836      // selected for a user interface. This function checks the
 837      // language selected by the user and tags the outgoing messages
 838      // with the appropriate charset corresponding to the language
 839      // selection. This is "more right" (tm), than just stamping the
 840      // message blindly with the system-wide $default_charset.
 841      //
 842      global $data_dir, $username, $default_charset, $languages;
 843      $my_language = getPref($data_dir, $username, "language");
 844      if (!$my_language) return;
 845      while (isset($languages[$my_language]['ALIAS']))
 846         $my_language = $languages[$my_language]['ALIAS'];
 847      $my_charset=$languages[$my_language]['CHARSET'];
 848      if ($my_charset) $default_charset=$my_charset;
 849    }
 850
 851 ?>