functions/i18n.php

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