functions/i18n.php

   1 <?php
   2
   3 /**
   4  * i18n.php
   5  *
   6  * Copyright (c) 1999-2002 The SquirrelMail Project Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * This file contains variuos functions that are needed to do
  10  * internationalization of SquirrelMail.
  11  *
  12  * Internally the output character set is used. Other characters are
  13  * encoded using Unicode entities according to HTML 4.0.
  14  *
  15  * $Id$
  16  */
  17
  18 /* Decodes a string to the internal encoding from the given charset */
  19 function charset_decode ($charset, $string) {
  20     global $languages, $squirrelmail_language;
  21
  22     if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
  23         function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
  24         $string = $languages[$squirrelmail_language]['XTRA_CODE']('decode', $string);
  25     }
  26
  27     /* All HTML special characters are 7 bit and can be replaced first */
  28     $string = htmlspecialchars ($string);
  29
  30     $charset = strtolower($charset);
  31
  32     if (ereg('iso-8859-([[:digit:]]+)', $charset, $res)) {
  33         if ($res[1] == '1') {
  34             $ret = charset_decode_iso_8859_1 ($string);
  35         } else if ($res[1] == '2') {
  36             $ret = charset_decode_iso_8859_2 ($string);
  37         } else if ($res[1] == '4') {
  38             $ret = charset_decode_iso_8859_4 ($string);
  39         } else if ($res[1] == '7') {
  40             $ret = charset_decode_iso_8859_7 ($string);
  41         } else if ($res[1] == '13') {
  42             $ret = charset_decode_iso_8859_13 ($string);
  43         } else if ($res[1] == '15') {
  44             $ret = charset_decode_iso_8859_15 ($string);
  45         } else {
  46             $ret = charset_decode_iso_8859_default ($string);
  47         }
  48     } else if ($charset == 'ns_4551-1') {
  49         $ret = charset_decode_ns_4551_1 ($string);
  50     } else if ($charset == 'koi8-r') {
  51         $ret = charset_decode_koi8r ($string);
  52     } else if ($charset == 'windows-1251') {
  53         $ret = charset_decode_koi8r ($string);
  54     } else {
  55         $ret = $string;
  56     }
  57     return( $ret );
  58 }
  59
  60 /*
  61  iso-8859-1 is the same as Latin 1 and is normally used
  62  in western europe.
  63  */
  64 function charset_decode_iso_8859_1 ($string) {
  65     global $default_charset;
  66
  67     if (strtolower($default_charset) <> 'iso-8859-1') {
  68         /* Only do the slow convert if there are 8-bit characters */
  69         if (ereg("[\200-\377]", $string)) {
  70             $string = str_replace("\201", '&#129;', $string);
  71             $string = str_replace("\202", '&#130;', $string);
  72             $string = str_replace("\203", '&#131;', $string);
  73             $string = str_replace("\204", '&#132;', $string);
  74             $string = str_replace("\205", '&#133;', $string);
  75             $string = str_replace("\206", '&#134;', $string);
  76             $string = str_replace("\207", '&#135;', $string);
  77             $string = str_replace("\210", '&#136;', $string);
  78             $string = str_replace("\211", '&#137;', $string);
  79             $string = str_replace("\212", '&#138;', $string);
  80             $string = str_replace("\213", '&#139;', $string);
  81             $string = str_replace("\214", '&#140;', $string);
  82             $string = str_replace("\215", '&#141;', $string);
  83             $string = str_replace("\216", '&#142;', $string);
  84             $string = str_replace("\217", '&#143;', $string);
  85             $string = str_replace("\220", '&#144;', $string);
  86             $string = str_replace("\221", '&#145;', $string);
  87             $string = str_replace("\222", '&#146;', $string);
  88             $string = str_replace("\223", '&#147;', $string);
  89             $string = str_replace("\224", '&#148;', $string);
  90             $string = str_replace("\225", '&#149;', $string);
  91             $string = str_replace("\226", '&#150;', $string);
  92             $string = str_replace("\227", '&#151;', $string);
  93             $string = str_replace("\230", '&#152;', $string);
  94             $string = str_replace("\231", '&#153;', $string);
  95             $string = str_replace("\232", '&#154;', $string);
  96             $string = str_replace("\233", '&#155;', $string);
  97             $string = str_replace("\234", '&#156;', $string);
  98             $string = str_replace("\235", '&#157;', $string);
  99             $string = str_replace("\236", '&#158;', $string);
 100             $string = str_replace("\237", '&#159;', $string);
 101             $string = str_replace("\240", '&#160;', $string);
 102             $string = str_replace("\241", '&#161;', $string);
 103             $string = str_replace("\242", '&#162;', $string);
 104             $string = str_replace("\243", '&#163;', $string);
 105             $string = str_replace("\244", '&#164;', $string);
 106             $string = str_replace("\245", '&#165;', $string);
 107             $string = str_replace("\246", '&#166;', $string);
 108             $string = str_replace("\247", '&#167;', $string);
 109             $string = str_replace("\250", '&#168;', $string);
 110             $string = str_replace("\251", '&#169;', $string);
 111             $string = str_replace("\252", '&#170;', $string);
 112             $string = str_replace("\253", '&#171;', $string);
 113             $string = str_replace("\254", '&#172;', $string);
 114             $string = str_replace("\255", '&#173;', $string);
 115             $string = str_replace("\256", '&#174;', $string);
 116             $string = str_replace("\257", '&#175;', $string);
 117             $string = str_replace("\260", '&#176;', $string);
 118             $string = str_replace("\261", '&#177;', $string);
 119             $string = str_replace("\262", '&#178;', $string);
 120             $string = str_replace("\263", '&#179;', $string);
 121             $string = str_replace("\264", '&#180;', $string);
 122             $string = str_replace("\265", '&#181;', $string);
 123             $string = str_replace("\266", '&#182;', $string);
 124             $string = str_replace("\267", '&#183;', $string);
 125             $string = str_replace("\270", '&#184;', $string);
 126             $string = str_replace("\271", '&#185;', $string);
 127             $string = str_replace("\272", '&#186;', $string);
 128             $string = str_replace("\273", '&#187;', $string);
 129             $string = str_replace("\274", '&#188;', $string);
 130             $string = str_replace("\275", '&#189;', $string);
 131             $string = str_replace("\276", '&#190;', $string);
 132             $string = str_replace("\277", '&#191;', $string);
 133             $string = str_replace("\300", '&#192;', $string);
 134             $string = str_replace("\301", '&#193;', $string);
 135             $string = str_replace("\302", '&#194;', $string);
 136             $string = str_replace("\303", '&#195;', $string);
 137             $string = str_replace("\304", '&#196;', $string);
 138             $string = str_replace("\305", '&#197;', $string);
 139             $string = str_replace("\306", '&#198;', $string);
 140             $string = str_replace("\307", '&#199;', $string);
 141             $string = str_replace("\310", '&#200;', $string);
 142             $string = str_replace("\311", '&#201;', $string);
 143             $string = str_replace("\312", '&#202;', $string);
 144             $string = str_replace("\313", '&#203;', $string);
 145             $string = str_replace("\314", '&#204;', $string);
 146             $string = str_replace("\315", '&#205;', $string);
 147             $string = str_replace("\316", '&#206;', $string);
 148             $string = str_replace("\317", '&#207;', $string);
 149             $string = str_replace("\320", '&#208;', $string);
 150             $string = str_replace("\321", '&#209;', $string);
 151             $string = str_replace("\322", '&#210;', $string);
 152             $string = str_replace("\323", '&#211;', $string);
 153             $string = str_replace("\324", '&#212;', $string);
 154             $string = str_replace("\325", '&#213;', $string);
 155             $string = str_replace("\326", '&#214;', $string);
 156             $string = str_replace("\327", '&#215;', $string);
 157             $string = str_replace("\330", '&#216;', $string);
 158             $string = str_replace("\331", '&#217;', $string);
 159             $string = str_replace("\332", '&#218;', $string);
 160             $string = str_replace("\333", '&#219;', $string);
 161             $string = str_replace("\334", '&#220;', $string);
 162             $string = str_replace("\335", '&#221;', $string);
 163             $string = str_replace("\336", '&#222;', $string);
 164             $string = str_replace("\337", '&#223;', $string);
 165             $string = str_replace("\340", '&#224;', $string);
 166             $string = str_replace("\341", '&#225;', $string);
 167             $string = str_replace("\342", '&#226;', $string);
 168             $string = str_replace("\343", '&#227;', $string);
 169             $string = str_replace("\344", '&#228;', $string);
 170             $string = str_replace("\345", '&#229;', $string);
 171             $string = str_replace("\346", '&#230;', $string);
 172             $string = str_replace("\347", '&#231;', $string);
 173             $string = str_replace("\350", '&#232;', $string);
 174             $string = str_replace("\351", '&#233;', $string);
 175             $string = str_replace("\352", '&#234;', $string);
 176             $string = str_replace("\353", '&#235;', $string);
 177             $string = str_replace("\354", '&#236;', $string);
 178             $string = str_replace("\355", '&#237;', $string);
 179             $string = str_replace("\356", '&#238;', $string);
 180             $string = str_replace("\357", '&#239;', $string);
 181             $string = str_replace("\360", '&#240;', $string);
 182             $string = str_replace("\361", '&#241;', $string);
 183             $string = str_replace("\362", '&#242;', $string);
 184             $string = str_replace("\363", '&#243;', $string);
 185             $string = str_replace("\364", '&#244;', $string);
 186             $string = str_replace("\365", '&#245;', $string);
 187             $string = str_replace("\366", '&#246;', $string);
 188             $string = str_replace("\367", '&#247;', $string);
 189             $string = str_replace("\370", '&#248;', $string);
 190             $string = str_replace("\371", '&#249;', $string);
 191             $string = str_replace("\372", '&#250;', $string);
 192             $string = str_replace("\373", '&#251;', $string);
 193             $string = str_replace("\374", '&#252;', $string);
 194             $string = str_replace("\375", '&#253;', $string);
 195             $string = str_replace("\376", '&#254;', $string);
 196             $string = str_replace("\377", '&#255;', $string);
 197         }
 198     }
 199
 200     return ($string);
 201 }
 202
 203 /* iso-8859-2 is used for some eastern European languages */
 204 function charset_decode_iso_8859_2 ($string) {
 205     global $default_charset;
 206
 207     if (strtolower($default_charset) == 'iso-8859-2')
 208         return $string;
 209
 210     /* Only do the slow convert if there are 8-bit characters */
 211     if (! ereg("[\200-\377]", $string))
 212         return $string;
 213
 214     /* NO-BREAK SPACE */
 215     $string = str_replace("\240", '&#160;', $string);
 216     /* LATIN CAPITAL LETTER A WITH OGONEK */
 217     $string = str_replace("\241", '&#260;', $string);
 218     /* BREVE */
 219     $string = str_replace("\242", '&#728;', $string);
 220     // LATIN CAPITAL LETTER L WITH STROKE
 221     $string = str_replace("\243", '&#321;', $string);
 222     // CURRENCY SIGN
 223     $string = str_replace("\244", '&#164;', $string);
 224     // LATIN CAPITAL LETTER L WITH CARON
 225     $string = str_replace("\245", '&#317;', $string);
 226     // LATIN CAPITAL LETTER S WITH ACUTE
 227     $string = str_replace("\246", '&#346;', $string);
 228     // SECTION SIGN
 229     $string = str_replace("\247", '&#167;', $string);
 230     // DIAERESIS
 231     $string = str_replace("\250", '&#168;', $string);
 232     // LATIN CAPITAL LETTER S WITH CARON
 233     $string = str_replace("\251", '&#352;', $string);
 234     // LATIN CAPITAL LETTER S WITH CEDILLA
 235     $string = str_replace("\252", '&#350;', $string);
 236     // LATIN CAPITAL LETTER T WITH CARON
 237     $string = str_replace("\253", '&#356;', $string);
 238     // LATIN CAPITAL LETTER Z WITH ACUTE
 239     $string = str_replace("\254", '&#377;', $string);
 240     // SOFT HYPHEN
 241     $string = str_replace("\255", '&#173;', $string);
 242     // LATIN CAPITAL LETTER Z WITH CARON
 243     $string = str_replace("\256", '&#381;', $string);
 244     // LATIN CAPITAL LETTER Z WITH DOT ABOVE
 245     $string = str_replace("\257", '&#379;', $string);
 246     // DEGREE SIGN
 247     $string = str_replace("\260", '&#176;', $string);
 248     // LATIN SMALL LETTER A WITH OGONEK
 249     $string = str_replace("\261", '&#261;', $string);
 250     // OGONEK
 251     $string = str_replace("\262", '&#731;', $string);
 252     // LATIN SMALL LETTER L WITH STROKE
 253     $string = str_replace("\263", '&#322;', $string);
 254     // ACUTE ACCENT
 255     $string = str_replace("\264", '&#180;', $string);
 256     // LATIN SMALL LETTER L WITH CARON
 257     $string = str_replace("\265", '&#318;', $string);
 258     // LATIN SMALL LETTER S WITH ACUTE
 259     $string = str_replace("\266", '&#347;', $string);
 260     // CARON
 261     $string = str_replace("\267", '&#711;', $string);
 262     // CEDILLA
 263     $string = str_replace("\270", '&#184;', $string);
 264     // LATIN SMALL LETTER S WITH CARON
 265     $string = str_replace("\271", '&#353;', $string);
 266     // LATIN SMALL LETTER S WITH CEDILLA
 267     $string = str_replace("\272", '&#351;', $string);
 268     // LATIN SMALL LETTER T WITH CARON
 269     $string = str_replace("\273", '&#357;', $string);
 270     // LATIN SMALL LETTER Z WITH ACUTE
 271     $string = str_replace("\274", '&#378;', $string);
 272     // DOUBLE ACUTE ACCENT
 273     $string = str_replace("\275", '&#733;', $string);
 274     // LATIN SMALL LETTER Z WITH CARON
 275     $string = str_replace("\276", '&#382;', $string);
 276     // LATIN SMALL LETTER Z WITH DOT ABOVE
 277     $string = str_replace("\277", '&#380;', $string);
 278     // LATIN CAPITAL LETTER R WITH ACUTE
 279     $string = str_replace("\300", '&#340;', $string);
 280     // LATIN CAPITAL LETTER A WITH ACUTE
 281     $string = str_replace("\301", '&#193;', $string);
 282     // LATIN CAPITAL LETTER A WITH CIRCUMFLEX
 283     $string = str_replace("\302", '&#194;', $string);
 284     // LATIN CAPITAL LETTER A WITH BREVE
 285     $string = str_replace("\303", '&#258;', $string);
 286     // LATIN CAPITAL LETTER A WITH DIAERESIS
 287     $string = str_replace("\304", '&#196;', $string);
 288     // LATIN CAPITAL LETTER L WITH ACUTE
 289     $string = str_replace("\305", '&#313;', $string);
 290     // LATIN CAPITAL LETTER C WITH ACUTE
 291     $string = str_replace("\306", '&#262;', $string);
 292     // LATIN CAPITAL LETTER C WITH CEDILLA
 293     $string = str_replace("\307", '&#199;', $string);
 294     // LATIN CAPITAL LETTER C WITH CARON
 295     $string = str_replace("\310", '&#268;', $string);
 296     // LATIN CAPITAL LETTER E WITH ACUTE
 297     $string = str_replace("\311", '&#201;', $string);
 298     // LATIN CAPITAL LETTER E WITH OGONEK
 299     $string = str_replace("\312", '&#280;', $string);
 300     // LATIN CAPITAL LETTER E WITH DIAERESIS
 301     $string = str_replace("\313", '&#203;', $string);
 302     // LATIN CAPITAL LETTER E WITH CARON
 303     $string = str_replace("\314", '&#282;', $string);
 304     // LATIN CAPITAL LETTER I WITH ACUTE
 305     $string = str_replace("\315", '&#205;', $string);
 306     // LATIN CAPITAL LETTER I WITH CIRCUMFLEX
 307     $string = str_replace("\316", '&#206;', $string);
 308     // LATIN CAPITAL LETTER D WITH CARON
 309     $string = str_replace("\317", '&#270;', $string);
 310     // LATIN CAPITAL LETTER D WITH STROKE
 311     $string = str_replace("\320", '&#272;', $string);
 312     // LATIN CAPITAL LETTER N WITH ACUTE
 313     $string = str_replace("\321", '&#323;', $string);
 314     // LATIN CAPITAL LETTER N WITH CARON
 315     $string = str_replace("\322", '&#327;', $string);
 316     // LATIN CAPITAL LETTER O WITH ACUTE
 317     $string = str_replace("\323", '&#211;', $string);
 318     // LATIN CAPITAL LETTER O WITH CIRCUMFLEX
 319     $string = str_replace("\324", '&#212;', $string);
 320     // LATIN CAPITAL LETTER O WITH DOUBLE ACUTE
 321     $string = str_replace("\325", '&#336;', $string);
 322     // LATIN CAPITAL LETTER O WITH DIAERESIS
 323     $string = str_replace("\326", '&#214;', $string);
 324     // MULTIPLICATION SIGN
 325     $string = str_replace("\327", '&#215;', $string);
 326     // LATIN CAPITAL LETTER R WITH CARON
 327     $string = str_replace("\330", '&#344;', $string);
 328     // LATIN CAPITAL LETTER U WITH RING ABOVE
 329     $string = str_replace("\331", '&#366;', $string);
 330     // LATIN CAPITAL LETTER U WITH ACUTE
 331     $string = str_replace("\332", '&#218;', $string);
 332     // LATIN CAPITAL LETTER U WITH DOUBLE ACUTE
 333     $string = str_replace("\333", '&#368;', $string);
 334     // LATIN CAPITAL LETTER U WITH DIAERESIS
 335     $string = str_replace("\334", '&#220;', $string);
 336     // LATIN CAPITAL LETTER Y WITH ACUTE
 337     $string = str_replace("\335", '&#221;', $string);
 338     // LATIN CAPITAL LETTER T WITH CEDILLA
 339     $string = str_replace("\336", '&#354;', $string);
 340     // LATIN SMALL LETTER SHARP S
 341     $string = str_replace("\337", '&#223;', $string);
 342     // LATIN SMALL LETTER R WITH ACUTE
 343     $string = str_replace("\340", '&#341;', $string);
 344     // LATIN SMALL LETTER A WITH ACUTE
 345     $string = str_replace("\341", '&#225;', $string);
 346     // LATIN SMALL LETTER A WITH CIRCUMFLEX
 347     $string = str_replace("\342", '&#226;', $string);
 348     // LATIN SMALL LETTER A WITH BREVE
 349     $string = str_replace("\343", '&#259;', $string);
 350     // LATIN SMALL LETTER A WITH DIAERESIS
 351     $string = str_replace("\344", '&#228;', $string);
 352     // LATIN SMALL LETTER L WITH ACUTE
 353     $string = str_replace("\345", '&#314;', $string);
 354     // LATIN SMALL LETTER C WITH ACUTE
 355     $string = str_replace("\346", '&#263;', $string);
 356     // LATIN SMALL LETTER C WITH CEDILLA
 357     $string = str_replace("\347", '&#231;', $string);
 358     // LATIN SMALL LETTER C WITH CARON
 359     $string = str_replace("\350", '&#269;', $string);
 360     // LATIN SMALL LETTER E WITH ACUTE
 361     $string = str_replace("\351", '&#233;', $string);
 362     // LATIN SMALL LETTER E WITH OGONEK
 363     $string = str_replace("\352", '&#281;', $string);
 364     // LATIN SMALL LETTER E WITH DIAERESIS
 365     $string = str_replace("\353", '&#235;', $string);
 366     // LATIN SMALL LETTER E WITH CARON
 367     $string = str_replace("\354", '&#283;', $string);
 368     // LATIN SMALL LETTER I WITH ACUTE
 369     $string = str_replace("\355", '&#237;', $string);
 370     // LATIN SMALL LETTER I WITH CIRCUMFLEX
 371     $string = str_replace("\356", '&#238;', $string);
 372     // LATIN SMALL LETTER D WITH CARON
 373     $string = str_replace("\357", '&#271;', $string);
 374     // LATIN SMALL LETTER D WITH STROKE
 375     $string = str_replace("\360", '&#273;', $string);
 376     // LATIN SMALL LETTER N WITH ACUTE
 377     $string = str_replace("\361", '&#324;', $string);
 378     // LATIN SMALL LETTER N WITH CARON
 379     $string = str_replace("\362", '&#328;', $string);
 380     // LATIN SMALL LETTER O WITH ACUTE
 381     $string = str_replace("\363", '&#243;', $string);
 382     // LATIN SMALL LETTER O WITH CIRCUMFLEX
 383     $string = str_replace("\364", '&#244;', $string);
 384     // LATIN SMALL LETTER O WITH DOUBLE ACUTE
 385     $string = str_replace("\365", '&#337;', $string);
 386     // LATIN SMALL LETTER O WITH DIAERESIS
 387     $string = str_replace("\366", '&#246;', $string);
 388     // DIVISION SIGN
 389     $string = str_replace("\367", '&#247;', $string);
 390     // LATIN SMALL LETTER R WITH CARON
 391     $string = str_replace("\370", '&#345;', $string);
 392     // LATIN SMALL LETTER U WITH RING ABOVE
 393     $string = str_replace("\371", '&#367;', $string);
 394     // LATIN SMALL LETTER U WITH ACUTE
 395     $string = str_replace("\372", '&#250;', $string);
 396     // LATIN SMALL LETTER U WITH DOUBLE ACUTE
 397     $string = str_replace("\373", '&#369;', $string);
 398     // LATIN SMALL LETTER U WITH DIAERESIS
 399     $string = str_replace("\374", '&#252;', $string);
 400     // LATIN SMALL LETTER Y WITH ACUTE
 401     $string = str_replace("\375", '&#253;', $string);
 402     // LATIN SMALL LETTER T WITH CEDILLA
 403     $string = str_replace("\376", '&#355;', $string);
 404     // DOT ABOVE
 405     $string = str_replace("\377", '&#729;', $string);
 406
 407     return $string;
 408 }
 409
 410 /*
 411    iso-8859-4 is Baltic codeset used in some email clients
 412    instead of iso-8859-13 in Lithuania
 413    only Lithuanian charactes are added.
 414 */
 415
 416 function charset_decode_iso_8859_4 ($string) {
 417     // latin capital a with ogonek
 418     $string = str_replace ("\241", '&#0260;', $string);
 419     // latin capital c with caron
 420     $string = str_replace ("\310", '&#0268;', $string);
 421     // latin capital e with ogonek
 422     $string = str_replace ("\312", '&#0280;', $string);
 423     // latin capital e with dot above
 424     $string = str_replace ("\314", '&#0278;', $string);
 425     // latin capital i with ogonek
 426     $string = str_replace ("\307", '&#0302;', $string);
 427     // latin capital s with caron
 428     $string = str_replace ("\251", '&#0352;', $string);
 429     // latin capital u with ogonek
 430     $string = str_replace ("\331", '&#0370;', $string);
 431     // latin capital u with macron
 432     $string = str_replace ("\336", '&#0362;', $string);
 433     // latin capital z with caron
 434     $string = str_replace ("\256", '&#0381;', $string);
 435     // latin small a with ogonek
 436     $string = str_replace ("\261", '&#0261;', $string);
 437     // latin small c with caron
 438     $string = str_replace ("\350", '&#0269;', $string);
 439     // latin small e with ogonek
 440     $string = str_replace ("\352", '&#0281;', $string);
 441     // latin small e with dot above
 442     $string = str_replace ("\354", '&#0279;', $string);
 443     // latin small i with ogonek
 444     $string = str_replace ("\347", '&#0303;', $string);
 445     // latin small s with caron
 446     $string = str_replace ("\271", '&#0353;', $string);
 447     // latin small u with ogonek
 448     $string = str_replace ("\371", '&#0371;', $string);
 449     // latin small u with macron
 450     $string = str_replace ("\376", '&#0363;', $string);
 451     // latin small z with caron
 452     $string = str_replace ("\276", '&#0382;', $string);
 453
 454     return (charset_decode_iso_8859_1($string));
 455 }
 456
 457 /* iso-8859-7 is Greek. */
 458 function charset_decode_iso_8859_7 ($string) {
 459     global $default_charset;
 460
 461     if (strtolower($default_charset) == 'iso-8859-7') {
 462         return $string;
 463     }
 464
 465     /* Only do the slow convert if there are 8-bit characters */
 466     if (!ereg("[\200-\377]", $string)) {
 467         return $string;
 468     }
 469
 470     /* Some diverse characters in the beginning */
 471     $string = str_replace("\240", '&#160;', $string);
 472     $string = str_replace("\241", '&#8216;', $string);
 473     $string = str_replace("\242", '&#8217;', $string);
 474     $string = str_replace("\243", '&#163;', $string);
 475     $string = str_replace("\246", '&#166;', $string);
 476     $string = str_replace("\247", '&#167;', $string);
 477     $string = str_replace("\250", '&#168;', $string);
 478     $string = str_replace("\251", '&#169;', $string);
 479     $string = str_replace("\253", '&#171;', $string);
 480     $string = str_replace("\254", '&#172;', $string);
 481     $string = str_replace("\255", '&#173;', $string);
 482     $string = str_replace("\257", '&#8213;', $string);
 483     $string = str_replace("\260", '&#176;', $string);
 484     $string = str_replace("\261", '&#177;', $string);
 485     $string = str_replace("\262", '&#178;', $string);
 486     $string = str_replace("\263", '&#179;', $string);
 487
 488     /* Horizontal bar (parentheki pavla) */
 489     $string = str_replace ("\257", '&#8213;', $string);
 490
 491     /*
 492      * ISO-8859-7 characters from 11/04 (0xB4) to 11/06 (0xB6)
 493      * These are Unicode 900-902
 494      */
 495     $string = preg_replace("/([\264-\266])/","'&#' . (ord(\\1)+720)",$string);
 496
 497     /* 11/07 (0xB7) Middle dot is the same in iso-8859-1 */
 498     $string = str_replace("\267", '&#183;', $string);
 499
 500     /*
 501      * ISO-8859-7 characters from 11/08 (0xB8) to 11/10 (0xBA)
 502      * These are Unicode 900-902
 503      */
 504     $string = preg_replace("/([\270-\272])/","'&#' . (ord(\\1)+720)",$string);
 505
 506     /*
 507      * 11/11 (0xBB) Right angle quotation mark is the same as in
 508      * iso-8859-1
 509      */
 510     $string = str_replace("\273", '&#187;', $string);
 511
 512     /* And now the rest of the charset */
 513     $string = preg_replace("/([\274-\376])/","'&#' . (ord(\\1)+720)",$string);
 514
 515     return $string;
 516 }
 517
 518 /*
 519  iso-8859-13 codeset used in Lithuania
 520  only Lithuanian charactes are added.
 521 */
 522
 523 function charset_decode_iso_8859_13 ($string) {
 524     // latin capital a with ogonek
 525     $string = str_replace ("\300", '&#0260;', $string);
 526     // latin capital c with caron
 527     $string = str_replace ("\310", '&#0268;', $string);
 528     // latin capital e with ogonek
 529     $string = str_replace ("\306", '&#0280;', $string);
 530     // latin capital e with dot above
 531     $string = str_replace ("\313", '&#0278;', $string);
 532     // latin capital i with ogonek
 533     $string = str_replace ("\301", '&#0302;', $string);
 534     // latin capital s with caron
 535     $string = str_replace ("\320", '&#0352;', $string);
 536     // latin capital u with ogonek
 537     $string = str_replace ("\330", '&#0370;', $string);
 538     // latin capital u with macron
 539     $string = str_replace ("\333", '&#0362;', $string);
 540     // latin capital z with caron
 541     $string = str_replace ("\336", '&#0381;', $string);
 542     // latin small a with ogonek
 543     $string = str_replace ("\340", '&#0261;', $string);
 544     // latin small c with caron
 545     $string = str_replace ("\350", '&#0269;', $string);
 546     // latin small e with ogonek
 547     $string = str_replace ("\346", '&#0281;', $string);
 548     // latin small e with dot above
 549     $string = str_replace ("\353", '&#0279;', $string);
 550     // latin small i with ogonek
 551     $string = str_replace ("\341", '&#0303;', $string);
 552     // latin small s with caron
 553     $string = str_replace ("\360", '&#0353;', $string);
 554     // latin small u with ogonek
 555     $string = str_replace ("\370", '&#0371;', $string);
 556     // latin small u with macron
 557     $string = str_replace ("\373", '&#0363;', $string);
 558     // latin small z with caron
 559     $string = str_replace ("\376", '&#0382;', $string);
 560
 561     return (charset_decode_iso_8859_1($string));
 562 }
 563
 564 /*
 565  * iso-8859-15 is Latin 9 and has very much the same use as Latin 1
 566  * but has the Euro symbol and some characters needed for French.
 567  */
 568 function charset_decode_iso_8859_15 ($string) {
 569     // Euro sign
 570     $string = str_replace ("\244", '&#8364;', $string);
 571     // Latin capital letter S with caron
 572     $string = str_replace ("\246", '&#352;', $string);
 573     // Latin small letter s with caron
 574     $string = str_replace ("\250", '&#353;', $string);
 575     // Latin capital letter Z with caron
 576     $string = str_replace ("\264", '&#381;', $string);
 577     // Latin small letter z with caron
 578     $string = str_replace ("\270", '&#382;', $string);
 579     // Latin capital ligature OE
 580     $string = str_replace ("\274", '&#338;', $string);
 581     // Latin small ligature oe
 582     $string = str_replace ("\275", '&#339;', $string);
 583     // Latin capital letter Y with diaeresis
 584     $string = str_replace ("\276", '&#376;', $string);
 585
 586     return (charset_decode_iso_8859_1($string));
 587 }
 588
 589 /* ISO-8859-5 is Cyrillic */
 590 function charset_decode_iso_8859_5 ($string) {
 591     // Convert to KOI8-R, then return this decoded.
 592     $string = convert_cyr_string($string, 'i', 'k');
 593     return charset_decode_koi8r($string);
 594 }
 595
 596 /* Remove all 8 bit characters from all other ISO-8859 character sets */
 597 function charset_decode_iso_8859_default ($string) {
 598     return (strtr($string, "\240\241\242\243\244\245\246\247".
 599                     "\250\251\252\253\254\255\256\257".
 600                     "\260\261\262\263\264\265\266\267".
 601                     "\270\271\272\273\274\275\276\277".
 602                     "\300\301\302\303\304\305\306\307".
 603                     "\310\311\312\313\314\315\316\317".
 604                     "\320\321\322\323\324\325\326\327".
 605                     "\330\331\332\333\334\335\336\337".
 606                     "\340\341\342\343\344\345\346\347".
 607                     "\350\351\352\353\354\355\356\357".
 608                     "\360\361\362\363\364\365\366\367".
 609                     "\370\371\372\373\374\375\376\377",
 610                     "????????????????????????????????????????".
 611                     "????????????????????????????????????????".
 612                     "????????????????????????????????????????".
 613                     "????????"));
 614
 615 }
 616
 617 /*
 618  * This is the same as ISO-646-NO and is used by some
 619  * Microsoft programs when sending Norwegian characters
 620  */
 621 function charset_decode_ns_4551_1 ($string) {
 622     /*
 623      * These characters are:
 624      * Latin capital letter AE
 625      * Latin capital letter O with stroke
 626      * Latin capital letter A with ring above
 627      * and the same as small letters
 628      */
 629     return strtr ($string, "[\\]{|}", "ÆØÅæøå");
 630 }
 631
 632 /*
 633  * KOI8-R is used to encode Russian mail (Cyrrilic). Defined in RFC
 634  * 1489.
 635  */
 636 function charset_decode_koi8r ($string) {
 637     global $default_charset;
 638
 639     if ($default_charset == 'koi8-r') {
 640         return $string;
 641     }
 642
 643     /*
 644      * Convert to Unicode HTML entities.
 645      * This code is rather ineffective.
 646      */
 647     $string = str_replace("\200", '&#9472;', $string);
 648     $string = str_replace("\201", '&#9474;', $string);
 649     $string = str_replace("\202", '&#9484;', $string);
 650     $string = str_replace("\203", '&#9488;', $string);
 651     $string = str_replace("\204", '&#9492;', $string);
 652     $string = str_replace("\205", '&#9496;', $string);
 653     $string = str_replace("\206", '&#9500;', $string);
 654     $string = str_replace("\207", '&#9508;', $string);
 655     $string = str_replace("\210", '&#9516;', $string);
 656     $string = str_replace("\211", '&#9524;', $string);
 657     $string = str_replace("\212", '&#9532;', $string);
 658     $string = str_replace("\213", '&#9600;', $string);
 659     $string = str_replace("\214", '&#9604;', $string);
 660     $string = str_replace("\215", '&#9608;', $string);
 661     $string = str_replace("\216", '&#9612;', $string);
 662     $string = str_replace("\217", '&#9616;', $string);
 663     $string = str_replace("\220", '&#9617;', $string);
 664     $string = str_replace("\221", '&#9618;', $string);
 665     $string = str_replace("\222", '&#9619;', $string);
 666     $string = str_replace("\223", '&#8992;', $string);
 667     $string = str_replace("\224", '&#9632;', $string);
 668     $string = str_replace("\225", '&#8729;', $string);
 669     $string = str_replace("\226", '&#8730;', $string);
 670     $string = str_replace("\227", '&#8776;', $string);
 671     $string = str_replace("\230", '&#8804;', $string);
 672     $string = str_replace("\231", '&#8805;', $string);
 673     $string = str_replace("\232", '&#160;', $string);
 674     $string = str_replace("\233", '&#8993;', $string);
 675     $string = str_replace("\234", '&#176;', $string);
 676     $string = str_replace("\235", '&#178;', $string);
 677     $string = str_replace("\236", '&#183;', $string);
 678     $string = str_replace("\237", '&#247;', $string);
 679     $string = str_replace("\240", '&#9552;', $string);
 680     $string = str_replace("\241", '&#9553;', $string);
 681     $string = str_replace("\242", '&#9554;', $string);
 682     $string = str_replace("\243", '&#1105;', $string);
 683     $string = str_replace("\244", '&#9555;', $string);
 684     $string = str_replace("\245", '&#9556;', $string);
 685     $string = str_replace("\246", '&#9557;', $string);
 686     $string = str_replace("\247", '&#9558;', $string);
 687     $string = str_replace("\250", '&#9559;', $string);
 688     $string = str_replace("\251", '&#9560;', $string);
 689     $string = str_replace("\252", '&#9561;', $string);
 690     $string = str_replace("\253", '&#9562;', $string);
 691     $string = str_replace("\254", '&#9563;', $string);
 692     $string = str_replace("\255", '&#9564;', $string);
 693     $string = str_replace("\256", '&#9565;', $string);
 694     $string = str_replace("\257", '&#9566;', $string);
 695     $string = str_replace("\260", '&#9567;', $string);
 696     $string = str_replace("\261", '&#9568;', $string);
 697     $string = str_replace("\262", '&#9569;', $string);
 698     $string = str_replace("\263", '&#1025;', $string);
 699     $string = str_replace("\264", '&#9570;', $string);
 700     $string = str_replace("\265", '&#9571;', $string);
 701     $string = str_replace("\266", '&#9572;', $string);
 702     $string = str_replace("\267", '&#9573;', $string);
 703     $string = str_replace("\270", '&#9574;', $string);
 704     $string = str_replace("\271", '&#9575;', $string);
 705     $string = str_replace("\272", '&#9576;', $string);
 706     $string = str_replace("\273", '&#9577;', $string);
 707     $string = str_replace("\274", '&#9578;', $string);
 708     $string = str_replace("\275", '&#9579;', $string);
 709     $string = str_replace("\276", '&#9580;', $string);
 710     $string = str_replace("\277", '&#169;', $string);
 711     $string = str_replace("\300", '&#1102;', $string);
 712     $string = str_replace("\301", '&#1072;', $string);
 713     $string = str_replace("\302", '&#1073;', $string);
 714     $string = str_replace("\303", '&#1094;', $string);
 715     $string = str_replace("\304", '&#1076;', $string);
 716     $string = str_replace("\305", '&#1077;', $string);
 717     $string = str_replace("\306", '&#1092;', $string);
 718     $string = str_replace("\307", '&#1075;', $string);
 719     $string = str_replace("\310", '&#1093;', $string);
 720     $string = str_replace("\311", '&#1080;', $string);
 721     $string = str_replace("\312", '&#1081;', $string);
 722     $string = str_replace("\313", '&#1082;', $string);
 723     $string = str_replace("\314", '&#1083;', $string);
 724     $string = str_replace("\315", '&#1084;', $string);
 725     $string = str_replace("\316", '&#1085;', $string);
 726     $string = str_replace("\317", '&#1086;', $string);
 727     $string = str_replace("\320", '&#1087;', $string);
 728     $string = str_replace("\321", '&#1103;', $string);
 729     $string = str_replace("\322", '&#1088;', $string);
 730     $string = str_replace("\323", '&#1089;', $string);
 731     $string = str_replace("\324", '&#1090;', $string);
 732     $string = str_replace("\325", '&#1091;', $string);
 733     $string = str_replace("\326", '&#1078;', $string);
 734     $string = str_replace("\327", '&#1074;', $string);
 735     $string = str_replace("\330", '&#1100;', $string);
 736     $string = str_replace("\331", '&#1099;', $string);
 737     $string = str_replace("\332", '&#1079;', $string);
 738     $string = str_replace("\333", '&#1096;', $string);
 739     $string = str_replace("\334", '&#1101;', $string);
 740     $string = str_replace("\335", '&#1097;', $string);
 741     $string = str_replace("\336", '&#1095;', $string);
 742     $string = str_replace("\337", '&#1098;', $string);
 743     $string = str_replace("\340", '&#1070;', $string);
 744     $string = str_replace("\341", '&#1040;', $string);
 745     $string = str_replace("\342", '&#1041;', $string);
 746     $string = str_replace("\343", '&#1062;', $string);
 747     $string = str_replace("\344", '&#1044;', $string);
 748     $string = str_replace("\345", '&#1045;', $string);
 749     $string = str_replace("\346", '&#1060;', $string);
 750     $string = str_replace("\347", '&#1043;', $string);
 751     $string = str_replace("\350", '&#1061;', $string);
 752     $string = str_replace("\351", '&#1048;', $string);
 753     $string = str_replace("\352", '&#1049;', $string);
 754     $string = str_replace("\353", '&#1050;', $string);
 755     $string = str_replace("\354", '&#1051;', $string);
 756     $string = str_replace("\355", '&#1052;', $string);
 757     $string = str_replace("\356", '&#1053;', $string);
 758     $string = str_replace("\357", '&#1054;', $string);
 759     $string = str_replace("\360", '&#1055;', $string);
 760     $string = str_replace("\361", '&#1071;', $string);
 761     $string = str_replace("\362", '&#1056;', $string);
 762     $string = str_replace("\363", '&#1057;', $string);
 763     $string = str_replace("\364", '&#1058;', $string);
 764     $string = str_replace("\365", '&#1059;', $string);
 765     $string = str_replace("\366", '&#1046;', $string);
 766     $string = str_replace("\367", '&#1042;', $string);
 767     $string = str_replace("\370", '&#1068;', $string);
 768     $string = str_replace("\371", '&#1067;', $string);
 769     $string = str_replace("\372", '&#1047;', $string);
 770     $string = str_replace("\373", '&#1064;', $string);
 771     $string = str_replace("\374", '&#1069;', $string);
 772     $string = str_replace("\375", '&#1065;', $string);
 773     $string = str_replace("\376", '&#1063;', $string);
 774     $string = str_replace("\377", '&#1066;', $string);
 775
 776     return $string;
 777 }
 778
 779
 780 /*
 781  * Set up the language to be output
 782  * if $do_search is true, then scan the browser information
 783  * for a possible language that we know
 784  */
 785 function set_up_language($sm_language, $do_search = false) {
 786
 787     static $SetupAlready = 0;
 788     global $use_gettext, $languages,
 789            $squirrelmail_language, $squirrelmail_default_language,
 790            $sm_notAlias;
 791
 792     if ($SetupAlready) {
 793         return;
 794     }
 795     $SetupAlready = TRUE;
 796
 797     if ($do_search && ! $sm_language && isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
 798         $sm_language = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
 799     }
 800
 801     if (!$sm_language && isset($squirrelmail_default_language)) {
 802         $squirrelmail_language = $squirrelmail_default_language;
 803         $sm_language = $squirrelmail_default_language;
 804     }
 805     $sm_notAlias = $sm_language;
 806     while (isset($languages[$sm_notAlias]['ALIAS'])) {
 807         $sm_notAlias = $languages[$sm_notAlias]['ALIAS'];
 808     }
 809
 810     if ( isset($sm_language) &&
 811          $use_gettext &&
 812          $sm_language != '' &&
 813          isset($languages[$sm_notAlias]['CHARSET']) ) {
 814         bindtextdomain( 'squirrelmail', '../locale/' );
 815         textdomain( 'squirrelmail' );
 816         if ( !ini_get('safe_mode') &&
 817              getenv( 'LC_ALL' ) != $sm_notAlias ) {
 818             putenv( "LC_ALL=$sm_notAlias" );
 819             putenv( "LANG=$sm_notAlias" );
 820             putenv( "LANGUAGE=$sm_notAlias" );
 821         }
 822         setlocale(LC_ALL, $sm_notAlias);
 823         $squirrelmail_language = $sm_notAlias;
 824         if ($squirrelmail_language == 'ja_JP' && function_exists('mb_detect_encoding') ) {
 825             header ('Content-Type: text/html; charset=EUC-JP');
 826             if (!function_exists('mb_internal_encoding')) {
 827                 echo _("You need to have php4 installed with the multibyte string function enabled (using configure option --with-mbstring).");
 828             }
 829             mb_internal_encoding('EUC-JP');
 830             mb_http_output('pass');
 831         } else {
 832         header( 'Content-Type: text/html; charset=' . $languages[$sm_notAlias]['CHARSET'] );
 833     }
 834 }
 835 }
 836
 837 function set_my_charset(){
 838
 839     /*
 840      * There can be a $default_charset setting in the
 841      * config.php file, but the user may have a different language
 842      * selected for a user interface. This function checks the
 843      * language selected by the user and tags the outgoing messages
 844      * with the appropriate charset corresponding to the language
 845      * selection. This is "more right" (tm), than just stamping the
 846      * message blindly with the system-wide $default_charset.
 847      */
 848     global $data_dir, $username, $default_charset, $languages;
 849
 850     $my_language = getPref($data_dir, $username, 'language');
 851     if (!$my_language) {
 852         return;
 853     }
 854     while (isset($languages[$my_language]['ALIAS'])) {
 855         $my_language = $languages[$my_language]['ALIAS'];
 856     }
 857     $my_charset = $languages[$my_language]['CHARSET'];
 858     if ($my_charset) {
 859         $default_charset = $my_charset;
 860     }
 861 }
 862
 863 /* ------------------------------ main --------------------------- */
 864
 865 global $squirrelmail_language, $languages, $use_gettext;
 866
 867 if (! isset($squirrelmail_language)) {
 868     $squirrelmail_language = '';
 869 }
 870
 871 /* This array specifies the available languages. */
 872
 873 // The glibc locale is ca_ES.
 874
 875 $languages['ca_ES']['NAME']    = 'Catalan';
 876 $languages['ca_ES']['CHARSET'] = 'iso-8859-1';
 877 $languages['ca']['ALIAS'] = 'ca_ES';
 878
 879 $languages['cs_CZ']['NAME']    = 'Czech';
 880 $languages['cs_CZ']['CHARSET'] = 'iso-8859-2';
 881 $languages['cs']['ALIAS']      = 'cs_CZ';
 882
 883 // Danish locale is da_DK.
 884
 885 $languages['da_DK']['NAME']    = 'Danish';
 886 $languages['da_DK']['CHARSET'] = 'iso-8859-1';
 887 $languages['da']['ALIAS'] = 'da_DK';
 888
 889 $languages['de_DE']['NAME']    = 'Deutsch';
 890 $languages['de_DE']['CHARSET'] = 'iso-8859-1';
 891 $languages['de']['ALIAS'] = 'de_DE';
 892
 893 // There is no en_EN! There is en_US, en_BR, en_AU, and so forth,
 894 // but who cares about !US, right? Right? :)
 895
 896 $languages['en_US']['NAME']    = 'English';
 897 $languages['en_US']['CHARSET'] = 'iso-8859-1';
 898 $languages['en']['ALIAS'] = 'en_US';
 899
 900 $languages['es_ES']['NAME']    = 'Spanish';
 901 $languages['es_ES']['CHARSET'] = 'iso-8859-1';
 902 $languages['es']['ALIAS'] = 'es_ES';
 903
 904 $languages['et_EE']['NAME']    = 'Estonian';
 905 $languages['et_EE']['CHARSET'] = 'iso-8859-15';
 906 $languages['et']['ALIAS'] = 'et_EE';
 907
 908 $languages['fi_FI']['NAME']    = 'Finnish';
 909 $languages['fi_FI']['CHARSET'] = 'iso-8859-1';
 910 $languages['fi']['ALIAS'] = 'fi_FI';
 911
 912 $languages['fr_FR']['NAME']    = 'French';
 913 $languages['fr_FR']['CHARSET'] = 'iso-8859-1';
 914 $languages['fr']['ALIAS'] = 'fr_FR';
 915
 916 $languages['hr_HR']['NAME']    = 'Croatian';
 917 $languages['hr_HR']['CHARSET'] = 'iso-8859-2';
 918 $languages['hr']['ALIAS'] = 'hr_HR';
 919
 920 $languages['hu_HU']['NAME']    = 'Hungarian';
 921 $languages['hu_HU']['CHARSET'] = 'iso-8859-2';
 922 $languages['hu']['ALIAS'] = 'hu_HU';
 923
 924 $languages['id_ID']['NAME']    = 'Indonesian';
 925 $languages['id_ID']['CHARSET'] = 'iso-8859-1';
 926 $languages['id']['ALIAS'] = 'id_ID';
 927
 928 $languages['is_IS']['NAME']    = 'Icelandic';
 929 $languages['is_IS']['CHARSET'] = 'iso-8859-1';
 930 $languages['is']['ALIAS'] = 'is_IS';
 931
 932 $languages['it_IT']['NAME']    = 'Italian';
 933 $languages['it_IT']['CHARSET'] = 'iso-8859-1';
 934 $languages['it']['ALIAS'] = 'it_IT';
 935
 936 $languages['ja_JP']['NAME']    = 'Japanese';
 937 $languages['ja_JP']['CHARSET'] = 'iso-2022-jp';
 938 $languages['ja_JP']['XTRA_CODE'] = 'japanese_charset_xtra';
 939 $languages['ja']['ALIAS'] = 'ja_JP';
 940
 941 $languages['ko_KR']['NAME']    = 'Korean';
 942 $languages['ko_KR']['CHARSET'] = 'euc-KR';
 943 $languages['ko_KR']['XTRA_CODE'] = 'korean_charset_xtra';
 944 $languages['ko']['ALIAS'] = 'ko_KR';
 945
 946 $languages['nl_NL']['NAME']    = 'Dutch';
 947 $languages['nl_NL']['CHARSET'] = 'iso-8859-1';
 948 $languages['nl']['ALIAS'] = 'nl_NL';
 949
 950 $languages['no_NO']['NAME']    = 'Norwegian (Bokm&aring;l)';
 951 $languages['no_NO']['CHARSET'] = 'iso-8859-1';
 952 $languages['no']['ALIAS'] = 'no_NO';
 953 $languages['nn_NO']['NAME']    = 'Norwegian (Nynorsk)';
 954 $languages['nn_NO']['CHARSET'] = 'iso-8859-1';
 955
 956 $languages['pl_PL']['NAME']    = 'Polish';
 957 $languages['pl_PL']['CHARSET'] = 'iso-8859-2';
 958 $languages['pl']['ALIAS'] = 'pl_PL';
 959
 960 $languages['pt_PT']['NAME'] = 'Portuguese (Portugal)';
 961 $languages['pt_PT']['CHARSET'] = 'iso-8859-1';
 962 $languages['pt_BR']['NAME']    = 'Portuguese (Brazil)';
 963 $languages['pt_BR']['CHARSET'] = 'iso-8859-1';
 964 $languages['pt']['ALIAS'] = 'pt_PT';
 965
 966 $languages['ru_RU']['NAME']    = 'Russian';
 967 $languages['ru_RU']['CHARSET'] = 'koi8-r';
 968 $languages['ru']['ALIAS'] = 'ru_RU';
 969
 970 $languages['sr_YU']['NAME']    = 'Serbian';
 971 $languages['sr_YU']['CHARSET'] = 'iso-8859-2';
 972 $languages['sr']['ALIAS'] = 'sr_YU';
 973
 974 $languages['sv_SE']['NAME']    = 'Swedish';
 975 $languages['sv_SE']['CHARSET'] = 'iso-8859-1';
 976 $languages['sv']['ALIAS'] = 'sv_SE';
 977
 978 $languages['tr_TR']['NAME']    = 'Turkish';
 979 $languages['tr_TR']['CHARSET'] = 'iso-8859-9';
 980 $languages['tr']['ALIAS'] = 'tr_TR';
 981
 982 $languages['zh_TW']['NAME']    = 'Taiwan';
 983 $languages['zh_TW']['CHARSET'] = 'big5';
 984 $languages['tw']['ALIAS'] = 'zh_TW';
 985
 986 $languages['zh_TW']['NAME']    = 'Chinese';
 987 $languages['zh_TW']['CHARSET'] = 'gb2312';
 988 $languages['tw']['ALIAS'] = 'zh_CN';
 989
 990 $languages['sk_SK']['NAME']     = 'Slovak';
 991 $languages['sk_SK']['CHARSET']  = 'iso-8859-2';
 992 $languages['sk']['ALIAS']       = 'sk_SK';
 993
 994 $languages['ro_RO']['NAME']    = 'Romanian';
 995 $languages['ro_RO']['CHARSET'] = 'iso-8859-2';
 996 $languages['ro']['ALIAS'] = 'ro_RO';
 997
 998 $languages['th_TH']['NAME']    = 'Thai';
 999 $languages['th_TH']['CHARSET'] = 'tis-620';
1000 $languages['th']['ALIAS'] = 'th_TH';
1001
1002 $languages['lt_LT']['NAME']    = 'Lithuanian';
1003 $languages['lt_LT']['CHARSET'] = 'iso-8859-13';
1004 $languages['lt']['ALIAS'] = 'lt_LT';
1005
1006 $languages['sl_SI']['NAME']    = 'Slovenian';
1007 $languages['sl_SI']['CHARSET'] = 'iso-8859-2';
1008 $languages['sl']['ALIAS'] = 'sl_SI';
1009
1010 $languages['bg_BG']['NAME']    = 'Bulgarian';
1011 $languages['bg_BG']['CHARSET'] = 'windows-1251';
1012 $languages['bg']['ALIAS'] = 'bg_BG';
1013
1014 // Right to left languages
1015
1016 $languages['he_HE']['NAME']    = 'Hebrew';
1017 $languages['he_HE']['CHARSET'] = 'windows-1255';
1018 $languages['he_HE']['DIR']     = 'rtl';
1019 $languages['he']['ALIAS']      = 'he_HE';
1020
1021
1022 /* Detect whether gettext is installed. */
1023 $gettext_flags = 0;
1024 if (function_exists('_')) {
1025     $gettext_flags += 1;
1026 }
1027 if (function_exists('bindtextdomain')) {
1028     $gettext_flags += 2;
1029 }
1030 if (function_exists('textdomain')) {
1031     $gettext_flags += 4;
1032 }
1033
1034 /* If gettext is fully loaded, cool */
1035 if ($gettext_flags == 7) {
1036     $use_gettext = true;
1037 }
1038 /* If we can fake gettext, try that */
1039 elseif ($gettext_flags == 0) {
1040     $use_gettext = true;
1041     include_once(SM_PATH . 'functions/gettext.php');
1042 } else {
1043     /* Uh-ho.  A weird install */
1044     if (! $gettext_flags & 1) {
1045         function _($str) {
1046             return $str;
1047         }
1048     }
1049     if (! $gettext_flags & 2) {
1050         function bindtextdomain() {
1051             return;
1052         }
1053     }
1054     if (! $gettext_flags & 4) {
1055         function textdomain() {
1056             return;
1057         }
1058     }
1059 }
1060
1061
1062 /*
1063  * Japanese charset extra function
1064  *
1065  */
1066 function japanese_charset_xtra() {
1067     $ret = func_get_arg(1);  /* default return value */
1068     if (function_exists('mb_detect_encoding')) {
1069         switch (func_get_arg(0)) { /* action */
1070         case 'decode':
1071             $detect_encoding = mb_detect_encoding($ret);
1072             if ($detect_encoding == 'JIS' ||
1073                 $detect_encoding == 'EUC-JP' ||
1074                 $detect_encoding == 'SJIS') {
1075
1076                 $ret = mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
1077             }
1078             break;
1079         case 'encode':
1080             $detect_encoding = mb_detect_encoding($ret);
1081             if ($detect_encoding == 'JIS' ||
1082                 $detect_encoding == 'EUC-JP' ||
1083                 $detect_encoding == 'SJIS') {
1084
1085                 $ret = mb_convert_encoding($ret, 'JIS', 'AUTO');
1086             }
1087             break;
1088         case 'strimwidth':
1089             $width = func_get_arg(2);
1090             $ret = mb_strimwidth($ret, 0, $width, '...');
1091             break;
1092         case 'encodeheader':
1093             $result = '';
1094             if (strlen($ret) > 0) {
1095                 $tmpstr = mb_substr($ret, 0, 1);
1096                 $prevcsize = strlen($tmpstr);
1097                 for ($i = 1; $i < mb_strlen($ret); $i++) {
1098                     $tmp = mb_substr($ret, $i, 1);
1099                     if (strlen($tmp) == $prevcsize) {
1100                         $tmpstr .= $tmp;
1101                     } else {
1102                         if ($prevcsize == 1) {
1103                             $result .= $tmpstr;
1104                         } else {
1105                             $result .= mb_encode_mimeheader($tmpstr);
1106                         }
1107                         $tmpstr = $tmp;
1108                         $prevcsize = strlen($tmp);
1109                     }
1110                 }
1111                 if (strlen($tmpstr)) {
1112                     if (strlen(mb_substr($tmpstr, 0, 1)) == 1)
1113                         $result .= $tmpstr;
1114                     else
1115                         $result .= mb_encode_mimeheader($tmpstr);
1116                 }
1117             }
1118             $ret = $result;
1119             //$ret = mb_encode_mimeheader($ret);
1120             break;
1121         case 'decodeheader':
1122             $ret = str_replace("\t", "", $ret);
1123             if (eregi('=\\?([^?]+)\\?(q|b)\\?([^?]+)\\?=', $ret))
1124                 $ret = mb_decode_mimeheader($ret);
1125             $ret = mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
1126             break;
1127         case 'downloadfilename':
1128             $useragent = func_get_arg(2);
1129             if (strstr($useragent, 'Windows') !== false ||
1130                 strstr($useragent, 'Mac_') !== false) {
1131                 $ret = mb_convert_encoding($ret, 'SJIS', 'AUTO');
1132             } else {
1133                 $ret = mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
1134 }
1135             break;
1136         }
1137     }
1138     return $ret;
1139 }
1140
1141
1142 /*
1143  * Korean charset extra function
1144  * Hangul(Korean Character) Attached File Name Fix.
1145  */
1146 function korean_charset_xtra() {
1147
1148     $ret = func_get_arg(1);  /* default return value */
1149     if (func_get_arg(0) == 'downloadfilename') { /* action */
1150         $ret = str_replace("\x0D\x0A", '', $ret);  /* Hanmail's CR/LF Clear */
1151         for ($i=0;$i<strlen($ret);$i++) {
1152             if ($ret[$i] >= "\xA1" && $ret[$i] <= "\xFE") {   /* 0xA1 - 0XFE are Valid */
1153                 $i++;
1154                 continue;
1155             } else if (($ret[$i] >= 'a' && $ret[$i] <= 'z') || /* From Original ereg_replace in download.php */
1156                        ($ret[$i] >= 'A' && $ret[$i] <= 'Z') ||
1157                        ($ret[$i] == '.') || ($ret[$i] == '-')) {
1158                 continue;
1159             } else {
1160                 $ret[$i] = '_';
1161             }
1162         }
1163
1164     }
1165
1166     return $ret;
1167 }
1168
1169 ?>