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