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