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