functions/i18n.php

   1 <?php
   2 /**
   3  * SquirrelMail internationalization functions
   4  *
   5  * Copyright (c) 1999-2004 The SquirrelMail Project Team
   6  * Licensed under the GNU GPL. For full terms see the file COPYING.
   7  *
   8  * This file contains variuos functions that are needed to do
   9  * internationalization of SquirrelMail.
  10  *
  11  * Internally the output character set is used. Other characters are
  12  * encoded using Unicode entities according to HTML 4.0.
  13  *
  14  * @version $Id$
  15  * @package squirrelmail
  16  * @subpackage i18n
  17  */
  18
  19 /** Everything uses global.php... */
  20 require_once(SM_PATH . 'functions/global.php');
  21
  22 /**
  23  * Gettext bindtextdomain wrapper.
  24  *
  25  * Wrapper solves differences between php versions in order to provide
  26  * ngettext support. Should be used if translation uses ngettext
  27  * functions.
  28  * @since 1.5.1
  29  * @param string $domain gettext domain name
  30  * @param string $dir directory that contains all translations
  31  * @return string path to translation directory
  32  */
  33 function sq_bindtextdomain($domain,$dir) {
  34     global $l10n, $gettext_flags, $sm_notAlias;
  35
  36     if ($gettext_flags==7) {
  37         // gettext extension without ngettext
  38         if (substr($dir, -1) != '/') $dir .= '/';
  39         $mofile=$dir . $sm_notAlias . '/LC_MESSAGES/' . $domain . '.mo';
  40         $input = new FileReader($mofile);
  41         $l10n[$domain] = new gettext_reader($input);
  42     }
  43
  44     $dir=bindtextdomain($domain,$dir);
  45
  46     return $dir;
  47 }
  48
  49 /**
  50  * Gettext textdomain wrapper.
  51  * Makes sure that gettext_domain global is modified.
  52  * @since 1.5.1
  53  * @param string $name gettext domain name
  54  * @return string gettext domain name
  55  */
  56 function sq_textdomain($domain) {
  57     global $gettext_domain;
  58     $gettext_domain=textdomain($domain);
  59     return $gettext_domain;
  60 }
  61
  62 /**
  63  * Converts string from given charset to charset, that can be displayed by user translation.
  64  *
  65  * Function by default returns html encoded strings, if translation uses different encoding.
  66  * If Japanese translation is used - function returns string converted to euc-jp
  67  * If iconv or recode functions are enabled and translation uses utf-8 - function returns utf-8 encoded string.
  68  * If $charset is not supported - function returns unconverted string.
  69  *
  70  * sanitizing of html tags is also done by this function.
  71  *
  72  * @param string $charset
  73  * @param string $string Text to be decoded
  74  * @return string decoded string
  75  */
  76 function charset_decode ($charset, $string) {
  77     global $languages, $squirrelmail_language, $default_charset;
  78     global $use_php_recode, $use_php_iconv, $aggressive_decoding;
  79
  80     if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
  81         function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode')) {
  82         $string = call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode', $string);
  83     }
  84
  85     $charset = strtolower($charset);
  86
  87     set_my_charset();
  88
  89     // Variables that allow to use functions without function_exist() calls
  90     if (! isset($use_php_recode) || $use_php_recode=="" ) {
  91         $use_php_recode=false; }
  92     if (! isset($use_php_iconv) || $use_php_iconv=="" ) {
  93         $use_php_iconv=false; }
  94
  95     // Don't do conversion if charset is the same.
  96     if ( $charset == strtolower($default_charset) )
  97         return htmlspecialchars($string);
  98
  99     // catch iso-8859-8-i thing
 100     if ( $charset == "iso-8859-8-i" )
 101         $charset = "iso-8859-8";
 102
 103     /*
 104      * Recode converts html special characters automatically if you use
 105      * 'charset..html' decoding. There is no documented way to put -d option
 106      * into php recode function call.
 107      */
 108     if ( $use_php_recode ) {
 109         if ( $default_charset == "utf-8" ) {
 110             // other charsets can be converted to utf-8 without loss.
 111             // and output string is smaller
 112             $string = recode_string($charset . "..utf-8",$string);
 113             return htmlspecialchars($string);
 114         } else {
 115             $string = recode_string($charset . "..html",$string);
 116             // recode does not convert single quote, htmlspecialchars does.
 117             $string = str_replace("'", '&#039;', $string);
 118             return $string;
 119         }
 120     }
 121
 122     // iconv functions does not have html target and can be used only with utf-8
 123     if ( $use_php_iconv && $default_charset=='utf-8') {
 124         $string = iconv($charset,$default_charset,$string);
 125         return htmlspecialchars($string);
 126     }
 127
 128     // If we don't use recode and iconv, we'll do it old way.
 129
 130     /* All HTML special characters are 7 bit and can be replaced first */
 131
 132     $string = htmlspecialchars ($string);
 133
 134     /* controls cpu and memory intensive decoding cycles */
 135     if (! isset($aggressive_decoding) || $aggressive_decoding=="" ) {
 136         $aggressive_decoding=false; }
 137
 138     $decode=fixcharset($charset);
 139     $decodefile=SM_PATH . 'functions/decode/' . $decode . '.php';
 140     if (file_exists($decodefile)) {
 141         include_once($decodefile);
 142         $ret = call_user_func('charset_decode_'.$decode, $string);
 143     } else {
 144         $ret = $string;
 145     }
 146     return( $ret );
 147 }
 148
 149 /**
 150  * Converts html string to given charset
 151  * @since 1.5.1
 152  * @param string $string
 153  * @param string $charset
 154  * @param boolean $htmlencode keep htmlspecialchars encoding
 155  * @param string
 156  */
 157 function charset_encode($string,$charset,$htmlencode=true) {
 158     global $default_charset;
 159
 160     // Undo html special chars
 161     if (! $htmlencode ) {
 162         $string = str_replace(array('&amp;','&gt;','&lt;','&quot;'),array('&','>','<','"'),$string);
 163     }
 164
 165     $encode=fixcharset($charset);
 166     $encodefile=SM_PATH . 'functions/encode/' . $encode . '.php';
 167     if (file_exists($encodefile)) {
 168         include_once($encodefile);
 169         $ret = call_user_func('charset_encode_'.$encode, $string);
 170     } else {
 171         include_once(SM_PATH . 'functions/encode/us_ascii.php');
 172         $ret = charset_encode_us_ascii($string);
 173     }
 174     return( $ret );
 175 }
 176
 177 /**
 178  * Combined decoding and encoding functions
 179  *
 180  * If conversion is done to charset different that utf-8, unsupported symbols
 181  * will be replaced with question marks.
 182  * @since 1.5.1
 183  * @param string $in_charset initial charset
 184  * @param string $string string that has to be converted
 185  * @param string $out_charset final charset
 186  * @param boolean $htmlencode keep htmlspecialchars encoding
 187  * @return string converted string
 188  */
 189 function charset_convert($in_charset,$string,$out_charset,$htmlencode=true) {
 190     $string=charset_decode($in_charset,$string);
 191     $string=charset_encode($string,$out_charset,$htmlencode);
 192     return $string;
 193 }
 194
 195 /**
 196  * Makes charset name suitable for decoding cycles
 197  *
 198  * @since 1.5.0
 199  * @param string $charset Name of charset
 200  * @return string $charset Adjusted name of charset
 201  */
 202 function fixcharset($charset) {
 203     // minus removed from function names
 204     $charset=str_replace('-','_',$charset);
 205
 206     // windows-125x and cp125x charsets
 207     $charset=str_replace('windows_','cp',$charset);
 208
 209     // ibm > cp
 210     $charset=str_replace('ibm','cp',$charset);
 211
 212     // iso-8859-8-i -> iso-8859-8
 213     // use same cycle until I'll find differences
 214     $charset=str_replace('iso_8859_8_i','iso_8859_8',$charset);
 215
 216     return $charset;
 217 }
 218
 219 /**
 220  * Set up the language to be output
 221  * if $do_search is true, then scan the browser information
 222  * for a possible language that we know
 223  *
 224  * Function sets system locale environment (LC_ALL, LANG, LANGUAGE),
 225  * gettext translation bindings and html header information.
 226  *
 227  * Function returns error codes, if there is some fatal error.
 228  *  0 = no error,
 229  *  1 = mbstring support is not present,
 230  *  2 = mbstring support is not present, user's translation reverted to en_US.
 231  *
 232  * @param string $sm_language translation used by user's interface
 233  * @param bool $do_search use browser's preferred language detection functions. Defaults to false.
 234  * @param bool $default set $sm_language to $squirrelmail_default_language if language detection fails or language is not set. Defaults to false.
 235  * @return int function execution error codes.
 236  */
 237 function set_up_language($sm_language, $do_search = false, $default = false) {
 238
 239     static $SetupAlready = 0;
 240     global $use_gettext, $languages,
 241            $squirrelmail_language, $squirrelmail_default_language, $default_charset,
 242            $sm_notAlias, $username, $data_dir;
 243
 244     if ($SetupAlready) {
 245         return;
 246     }
 247
 248     $SetupAlready = TRUE;
 249     sqgetGlobalVar('HTTP_ACCEPT_LANGUAGE',  $accept_lang, SQ_SERVER);
 250
 251     if ($do_search && ! $sm_language && isset($accept_lang)) {
 252         $sm_language = substr($accept_lang, 0, 2);
 253     }
 254
 255     if ((!$sm_language||$default) && isset($squirrelmail_default_language)) {
 256         $squirrelmail_language = $squirrelmail_default_language;
 257         $sm_language = $squirrelmail_default_language;
 258     }
 259     $sm_notAlias = $sm_language;
 260
 261     // Catching removed translation
 262     // System reverts to English translation if user prefs contain translation
 263     // that is not available in $languages array
 264     if (!isset($languages[$sm_notAlias])) {
 265         $sm_notAlias="en_US";
 266     }
 267
 268     while (isset($languages[$sm_notAlias]['ALIAS'])) {
 269         $sm_notAlias = $languages[$sm_notAlias]['ALIAS'];
 270     }
 271
 272     if ( isset($sm_language) &&
 273          $use_gettext &&
 274          $sm_language != '' &&
 275          isset($languages[$sm_notAlias]['CHARSET']) ) {
 276         sq_bindtextdomain( 'squirrelmail', SM_PATH . 'locale/' );
 277         sq_textdomain( 'squirrelmail' );
 278         if (function_exists('bind_textdomain_codeset')) {
 279             if ($sm_notAlias == 'ja_JP') {
 280                 bind_textdomain_codeset ("squirrelmail", 'EUC-JP');
 281             } else {
 282                 bind_textdomain_codeset ("squirrelmail", $languages[$sm_notAlias]['CHARSET'] );
 283             }
 284         }
 285         if (isset($languages[$sm_notAlias]['LOCALE'])){
 286             $longlocale=$languages[$sm_notAlias]['LOCALE'];
 287         } else {
 288             $longlocale=$sm_notAlias;
 289         }
 290         if ( !ini_get('safe_mode') &&
 291              getenv( 'LC_ALL' ) != $longlocale ) {
 292             putenv( "LC_ALL=$longlocale" );
 293             putenv( "LANG=$longlocale" );
 294             putenv( "LANGUAGE=$longlocale" );
 295             putenv( "LC_NUMERIC=C" );
 296             if ($sm_notAlias=='tr_TR') putenv( "LC_CTYPE=C" );
 297         }
 298         setlocale(LC_ALL, $longlocale);
 299         // Workaround for plugins that use numbers with floating point
 300         // It might be removed if plugins use correct decimal delimiters
 301         // according to locale settings.
 302         setlocale(LC_NUMERIC, 'C');
 303         // Workaround for specific Turkish strtolower/strtoupper rules.
 304         // Many functions expect English conversion rules.
 305         if ($sm_notAlias=='tr_TR') setlocale(LC_CTYPE,'C');
 306
 307         // Set text direction/alignment variables
 308         // These don't appear to be used... are they safe to remove?
 309         if (isset($languages[$sm_notAlias]['DIR']) &&
 310             $languages[$sm_notAlias]['DIR'] == 'rtl') {
 311             /**
 312              * Text direction
 313              * @global string $text_direction
 314              */
 315             $text_direction='rtl';
 316             /**
 317              * Left alignment
 318              * @global string $left_align
 319              */
 320             $left_align='right';
 321             /**
 322              * Right alignment
 323              * @global string $right_align
 324              */
 325             $right_align='left';
 326         } else {
 327             $text_direction='ltr';
 328             $left_align='left';
 329             $right_align='right';
 330         }
 331
 332         $squirrelmail_language = $sm_notAlias;
 333         if ($squirrelmail_language == 'ja_JP') {
 334             header ('Content-Type: text/html; charset=EUC-JP');
 335             if (!function_exists('mb_internal_encoding')) {
 336                 // Error messages can't be displayed here
 337                 $error = 1;
 338                 // Revert to English if possible.
 339                 if (function_exists('setPref')  && $username!='' && $data_dir!="") {
 340                     setPref($data_dir, $username, 'language', "en_US");
 341                     $error = 2;
 342                 }
 343                 // stop further execution in order not to get php errors on mb_internal_encoding().
 344                 return $error;
 345             }
 346             if (function_exists('mb_language')) {
 347                 mb_language('Japanese');
 348             }
 349             mb_internal_encoding('EUC-JP');
 350             mb_http_output('pass');
 351         } elseif ($squirrelmail_language == 'en_US') {
 352             header( 'Content-Type: text/html; charset=' . $default_charset );
 353         } else {
 354             header( 'Content-Type: text/html; charset=' . $languages[$sm_notAlias]['CHARSET'] );
 355         }
 356     }
 357     return 0;
 358 }
 359
 360 /**
 361  * Sets default_charset variable according to the one that is used by user's translations.
 362  *
 363  * Function changes global $default_charset variable in order to be sure, that it
 364  * contains charset used by user's translation. Sanity of $squirrelmail_default_language
 365  * and $default_charset combination provided in SquirrelMail config is also tested.
 366  *
 367  * There can be a $default_charset setting in the
 368  * config.php file, but the user may have a different language
 369  * selected for a user interface. This function checks the
 370  * language selected by the user and tags the outgoing messages
 371  * with the appropriate charset corresponding to the language
 372  * selection. This is "more right" (tm), than just stamping the
 373  * message blindly with the system-wide $default_charset.
 374  */
 375 function set_my_charset(){
 376     global $data_dir, $username, $default_charset, $languages, $squirrelmail_default_language;
 377
 378     $my_language = getPref($data_dir, $username, 'language');
 379     if (!$my_language) {
 380         $my_language = $squirrelmail_default_language ;
 381     }
 382     // Catch removed translation
 383     if (!isset($languages[$my_language])) {
 384         $my_language="en_US";
 385     }
 386     while (isset($languages[$my_language]['ALIAS'])) {
 387         $my_language = $languages[$my_language]['ALIAS'];
 388     }
 389     $my_charset = $languages[$my_language]['CHARSET'];
 390     if ($my_language!='en_US') {
 391         $default_charset = $my_charset;
 392     }
 393 }
 394
 395 /**************************
 396  * Japanese extra functions
 397  **************************/
 398
 399 /**
 400  * Japanese decoding function
 401  *
 402  * converts string to euc-jp, if string uses JIS, EUC-JP, ShiftJIS or UTF-8
 403  * charset. Needs mbstring support in php.
 404  * @param string $ret text, that has to be converted
 405  * @return string converted string
 406  * @since 1.5.1
 407  */
 408 function japanese_xtra_decode($ret) {
 409     if (function_exists('mb_detect_encoding')) {
 410         $detect_encoding = @mb_detect_encoding($ret);
 411         if ($detect_encoding == 'JIS' ||
 412             $detect_encoding == 'EUC-JP' ||
 413             $detect_encoding == 'SJIS' ||
 414             $detect_encoding == 'UTF-8') {
 415
 416             $ret = mb_convert_kana(mb_convert_encoding($ret, 'EUC-JP', 'AUTO'), "KV");
 417         }
 418     }
 419     return $ret;
 420 }
 421
 422 /**
 423  * Japanese encoding function
 424  *
 425  * converts string to jis, if string uses JIS, EUC-JP, ShiftJIS or UTF-8
 426  * charset. Needs mbstring support in php.
 427  * @param string $ret text, that has to be converted
 428  * @return string converted text
 429  * @since 1.5.1
 430  */
 431 function japanese_xtra_encode($ret) {
 432     if (function_exists('mb_detect_encoding')) {
 433         $detect_encoding = @mb_detect_encoding($ret);
 434         if ($detect_encoding == 'JIS' ||
 435             $detect_encoding == 'EUC-JP' ||
 436             $detect_encoding == 'SJIS' ||
 437             $detect_encoding == 'UTF-8') {
 438
 439             $ret = mb_convert_encoding(mb_convert_kana($ret, "KV"), 'JIS', 'AUTO');
 440         }
 441     }
 442     return $ret;
 443 }
 444
 445 /**
 446  * Japanese header encoding function
 447  *
 448  * creates base64 encoded header in iso-2022-jp charset
 449  * @param string $ret text, that has to be converted
 450  * @return string mime base64 encoded string
 451  * @since 1.5.1
 452  */
 453 function japanese_xtra_encodeheader($ret) {
 454     if (function_exists('mb_detect_encoding')) {
 455         $result = '';
 456         if (strlen($ret) > 0) {
 457             $tmpstr = mb_substr($ret, 0, 1);
 458             $prevcsize = strlen($tmpstr);
 459             for ($i = 1; $i < mb_strlen($ret); $i++) {
 460                 $tmp = mb_substr($ret, $i, 1);
 461                 if (strlen($tmp) == $prevcsize) {
 462                     $tmpstr .= $tmp;
 463                 } else {
 464                     if ($prevcsize == 1) {
 465                         $result .= $tmpstr;
 466                     } else {
 467                         $result .= str_replace(' ', '',
 468                                                mb_encode_mimeheader($tmpstr,'iso-2022-jp','B',''));
 469                     }
 470                     $tmpstr = $tmp;
 471                     $prevcsize = strlen($tmp);
 472                 }
 473             }
 474             if (strlen($tmpstr)) {
 475                 if (strlen(mb_substr($tmpstr, 0, 1)) == 1)
 476                     $result .= $tmpstr;
 477                 else
 478                     $result .= str_replace(' ', '',
 479                                            mb_encode_mimeheader($tmpstr,'iso-2022-jp','B',''));
 480             }
 481         }
 482         $ret = $result;
 483     }
 484     return $ret;
 485 }
 486
 487 /**
 488  * Japanese header decoding function
 489  *
 490  * return human readable string from mime header. string is returned in euc-jp
 491  * charset.
 492  * @param string $ret header string
 493  * @return string decoded header string
 494  * @since 1.5.1
 495  */
 496 function japanese_xtra_decodeheader($ret) {
 497     if (function_exists('mb_detect_encoding')) {
 498         $ret = str_replace("\t", "", $ret);
 499         if (eregi('=\\?([^?]+)\\?(q|b)\\?([^?]+)\\?=', $ret))
 500             $ret = @mb_decode_mimeheader($ret);
 501         $ret = @mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
 502     }
 503     return $ret;
 504 }
 505
 506 /**
 507  * Japanese downloaded filename processing function
 508  *
 509  * Returns shift-jis or euc-jp encoded file name
 510  * @param string $ret string
 511  * @param string $useragent browser
 512  * @return string converted string
 513  * @since 1.5.1
 514  */
 515 function japanese_xtra_downloadfilename($ret,$useragent) {
 516     if (function_exists('mb_detect_encoding')) {
 517         if (strstr($useragent, 'Windows') !== false ||
 518             strstr($useragent, 'Mac_') !== false) {
 519             $ret = mb_convert_encoding($ret, 'SJIS', 'AUTO');
 520         } else {
 521             $ret = mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
 522         }
 523     }
 524     return $ret;
 525 }
 526
 527 /**
 528  * Japanese wordwrap function
 529  *
 530  * wraps text at set number of symbols
 531  * @param string $ret text
 532  * @param integer $wrap number of symbols per line
 533  * @return string wrapped text
 534  * @since 1.5.1
 535  */
 536 function japanese_xtra_wordwrap($ret,$wrap) {
 537     if (function_exists('mb_detect_encoding')) {
 538         $no_begin = "\x21\x25\x29\x2c\x2e\x3a\x3b\x3f\x5d\x7d\xa1\xf1\xa1\xeb\xa1" .
 539             "\xc7\xa1\xc9\xa2\xf3\xa1\xec\xa1\xed\xa1\xee\xa1\xa2\xa1\xa3\xa1\xb9" .
 540             "\xa1\xd3\xa1\xd5\xa1\xd7\xa1\xd9\xa1\xdb\xa1\xcd\xa4\xa1\xa4\xa3\xa4" .
 541             "\xa5\xa4\xa7\xa4\xa9\xa4\xc3\xa4\xe3\xa4\xe5\xa4\xe7\xa4\xee\xa1\xab" .
 542             "\xa1\xac\xa1\xb5\xa1\xb6\xa5\xa1\xa5\xa3\xa5\xa5\xa5\xa7\xa5\xa9\xa5" .
 543             "\xc3\xa5\xe3\xa5\xe5\xa5\xe7\xa5\xee\xa5\xf5\xa5\xf6\xa1\xa6\xa1\xbc" .
 544             "\xa1\xb3\xa1\xb4\xa1\xaa\xa1\xf3\xa1\xcb\xa1\xa4\xa1\xa5\xa1\xa7\xa1" .
 545             "\xa8\xa1\xa9\xa1\xcf\xa1\xd1";
 546         // This don't appear to be used... is it safe to remove?
 547         $no_end = "\x5c\x24\x28\x5b\x7b\xa1\xf2\x5c\xa1\xc6\xa1\xc8\xa1\xd2\xa1" .
 548             "\xd4\xa1\xd6\xa1\xd8\xa1\xda\xa1\xcc\xa1\xf0\xa1\xca\xa1\xce\xa1\xd0\xa1\xef";
 549
 550         if (strlen($ret) >= $wrap &&
 551             substr($ret, 0, 1) != '>' &&
 552             strpos($ret, 'http://') === FALSE &&
 553             strpos($ret, 'https://') === FALSE &&
 554             strpos($ret, 'ftp://') === FALSE) {
 555
 556             $ret = mb_convert_kana($ret, "KV");
 557
 558             $line_new = '';
 559             $ptr = 0;
 560
 561             while ($ptr < strlen($ret) - 1) {
 562                 $l = mb_strcut($ret, $ptr, $wrap);
 563                 $ptr += strlen($l);
 564                 $tmp = $l;
 565
 566                 $l = mb_strcut($ret, $ptr, 2);
 567                 while (strlen($l) != 0 && mb_strpos($no_begin, $l) !== FALSE ) {
 568                     $tmp .= $l;
 569                     $ptr += strlen($l);
 570                     $l = mb_strcut($ret, $ptr, 1);
 571                 }
 572                 $line_new .= $tmp;
 573                 if ($ptr < strlen($ret) - 1)
 574                     $line_new .= "\n";
 575             }
 576             $ret = $line_new;
 577         }
 578     }
 579     return $ret;
 580 }
 581
 582 /**
 583  * Japanese imap folder name encoding function
 584  *
 585  * converts folder name from euc-jp to utf7-imap
 586  * @param string $ret folder name
 587  * @return string converted folder name
 588  * @since 1.5.1
 589  */
 590 function japanese_xtra_utf7_imap_encode($ret){
 591     if (function_exists('mb_detect_encoding')) {
 592         $ret = mb_convert_encoding($ret, 'UTF7-IMAP', 'EUC-JP');
 593     }
 594     return $ret;
 595 }
 596
 597 /**
 598  * Japanese imap folder name decoding function
 599  *
 600  * converts folder name from utf7-imap to euc-jp.
 601  * @param string $ret folder name in utf7-imap
 602  * @return string converted folder name
 603  * @since 1.5.1
 604  */
 605 function japanese_xtra_utf7_imap_decode($ret) {
 606     if (function_exists('mb_detect_encoding')) {
 607         $ret = mb_convert_encoding($ret, 'EUC-JP', 'UTF7-IMAP');
 608     }
 609     return $ret;
 610 }
 611
 612 /**
 613  * Japanese string trimming function
 614  *
 615  * trims string to defined number of symbols
 616  * @param string $ret string
 617  * @param integer $width number of symbols
 618  * @return string trimmed string
 619  * @since 1.5.1
 620  */
 621 function japanese_xtra_strimwidth($ret,$width) {
 622     if (function_exists('mb_detect_encoding')) {
 623         $ret = mb_strimwidth($ret, 0, $width, '...');
 624     }
 625     return $ret;
 626 }
 627
 628 /********************************
 629  * Korean charset extra functions
 630  ********************************/
 631
 632 /**
 633  * Korean downloaded filename processing functions
 634  *
 635  * @param string default return value
 636  * @return string
 637  * @since 1.5.1
 638  */
 639 function korean_xtra_downloadfilename($ret) {
 640     $ret = str_replace("\x0D\x0A", '', $ret);  /* Hanmail's CR/LF Clear */
 641     for ($i=0;$i<strlen($ret);$i++) {
 642         if ($ret[$i] >= "\xA1" && $ret[$i] <= "\xFE") {   /* 0xA1 - 0XFE are Valid */
 643             $i++;
 644             continue;
 645         } else if (($ret[$i] >= 'a' && $ret[$i] <= 'z') || /* From Original ereg_replace in download.php */
 646                    ($ret[$i] >= 'A' && $ret[$i] <= 'Z') ||
 647                    ($ret[$i] == '.') || ($ret[$i] == '-')) {
 648             continue;
 649         } else {
 650             $ret[$i] = '_';
 651         }
 652     }
 653     return $ret;
 654 }
 655
 656 /**
 657  * Replaces non-braking spaces inserted by some browsers with regular space
 658  *
 659  * This function can be used to replace non-braking space symbols
 660  * that are inserted in forms by some browsers instead of normal
 661  * space symbol.
 662  *
 663  * @param string $string Text that needs to be cleaned
 664  * @param string $charset Charset used in text
 665  * @return string Cleaned text
 666  */
 667 function cleanup_nbsp($string,$charset) {
 668
 669   // reduce number of case statements
 670   if (stristr('iso-8859-',substr($charset,0,9))){
 671     $output_charset="iso-8859-x";
 672   }
 673   if (stristr('windows-125',substr($charset,0,11))){
 674     $output_charset="cp125x";
 675   }
 676   if (stristr('koi8',substr($charset,0,4))){
 677     $output_charset="koi8-x";
 678   }
 679   if (! isset($output_charset)){
 680     $output_charset=strtolower($charset);
 681   }
 682
 683 // where is non-braking space symbol
 684 switch($output_charset):
 685  case "iso-8859-x":
 686  case "cp125x":
 687  case "iso-2022-jp":
 688   $nbsp="\xA0";
 689   break;
 690  case "koi8-x":
 691    $nbsp="\x9A";
 692    break;
 693  case "utf-8":
 694    $nbsp="\xC2\xA0";
 695    break;
 696  default:
 697    // don't change string if charset is unmatched
 698    return $string;
 699 endswitch;
 700
 701 // return space instead of non-braking space.
 702  return str_replace($nbsp,' ',$string);
 703 }
 704
 705 /**
 706  * Function informs if it is safe to convert given charset to the one that is used by user.
 707  *
 708  * It is safe to use conversion only if user uses utf-8 encoding and when
 709  * converted charset is similar to the one that is used by user.
 710  *
 711  * @param string $input_charset Charset of text that needs to be converted
 712  * @return bool is it possible to convert to user's charset
 713  */
 714 function is_conversion_safe($input_charset) {
 715   global $languages, $sm_notAlias, $default_charset, $lossy_encoding;
 716
 717     if (isset($lossy_encoding) && $lossy_encoding )
 718         return true;
 719
 720  // convert to lower case
 721  $input_charset = strtolower($input_charset);
 722
 723  // Is user's locale Unicode based ?
 724  if ( $default_charset == "utf-8" ) {
 725    return true;
 726  }
 727
 728  // Charsets that are similar
 729 switch ($default_charset):
 730 case "windows-1251":
 731       if ( $input_charset == "iso-8859-5" ||
 732            $input_charset == "koi8-r" ||
 733            $input_charset == "koi8-u" ) {
 734         return true;
 735      } else {
 736         return false;
 737      }
 738 case "windows-1257":
 739   if ( $input_charset == "iso-8859-13" ||
 740        $input_charset == "iso-8859-4" ) {
 741     return true;
 742   } else {
 743     return false;
 744   }
 745 case "iso-8859-4":
 746   if ( $input_charset == "iso-8859-13" ||
 747        $input_charset == "windows-1257" ) {
 748      return true;
 749   } else {
 750      return false;
 751   }
 752 case "iso-8859-5":
 753   if ( $input_charset == "windows-1251" ||
 754        $input_charset == "koi8-r" ||
 755        $input_charset == "koi8-u" ) {
 756      return true;
 757   } else {
 758      return false;
 759   }
 760 case "iso-8859-13":
 761   if ( $input_charset == "iso-8859-4" ||
 762        $input_charset == "windows-1257" ) {
 763      return true;
 764   } else {
 765      return false;
 766   }
 767 case "koi8-r":
 768   if ( $input_charset == "windows-1251" ||
 769        $input_charset == "iso-8859-5" ||
 770        $input_charset == "koi8-u" ) {
 771      return true;
 772   } else {
 773      return false;
 774   }
 775 case "koi8-u":
 776   if ( $input_charset == "windows-1251" ||
 777        $input_charset == "iso-8859-5" ||
 778        $input_charset == "koi8-r" ) {
 779      return true;
 780   } else {
 781      return false;
 782   }
 783 default:
 784    return false;
 785 endswitch;
 786 }
 787
 788
 789 /* ------------------------------ main --------------------------- */
 790
 791 global $squirrelmail_language, $languages, $use_gettext;
 792
 793 if (! isset($squirrelmail_language)) {
 794     $squirrelmail_language = '';
 795 }
 796
 797 /**
 798  * Array specifies the available translations.
 799  *
 800  * Structure of array:
 801  * $languages['language']['variable'] = 'value'
 802  *
 803  * Possible 'variable' names:
 804  *  NAME      - Translation name in English
 805  *  CHARSET   - Encoding used by translation
 806  *  ALIAS     - used when 'language' is only short name and 'value' should provide long language name
 807  *  ALTNAME   - Native translation name. Any 8bit symbols must be html encoded.
 808  *  LOCALE    - Full locale name (in xx_XX.charset format)
 809  *  DIR       - Text direction. Used to define Right-to-Left languages. Possible values 'rtl' or 'ltr'. If undefined - defaults to 'ltr'
 810  *  XTRA_CODE - translation uses special functions. See doc/i18n.txt
 811  *
 812  * Each 'language' definition requires NAME+CHARSET or ALIAS variables.
 813  *
 814  * @name $languages
 815  * @global array $languages
 816  */
 817 $languages['bg_BG']['NAME']    = 'Bulgarian';
 818 $languages['bg_BG']['ALTNAME'] = '&#1041;&#1098;&#1083;&#1075;&#1072;&#1088;&#1089;&#1082;&#1080;';
 819 $languages['bg_BG']['CHARSET'] = 'windows-1251';
 820 $languages['bg_BG']['LOCALE']  = 'bg_BG.CP1251';
 821 $languages['bg']['ALIAS'] = 'bg_BG';
 822
 823 $languages['bn_IN']['NAME']    = 'Bengali';
 824 $languages['bn_IN']['CHARSET'] = 'utf-8';
 825 $languages['bn_IN']['LOCALE']  = 'bn_IN.UTF-8';
 826 $languages['bn_BD']['ALIAS'] = 'bn_IN';
 827 $languages['bn']['ALIAS'] = 'bn_IN';
 828
 829 $languages['ca_ES']['NAME']    = 'Catalan';
 830 $languages['ca_ES']['CHARSET'] = 'iso-8859-1';
 831 $languages['ca_ES']['LOCALE']  = 'ca_ES.ISO8859-1';
 832 $languages['ca']['ALIAS'] = 'ca_ES';
 833
 834 $languages['cs_CZ']['NAME']    = 'Czech';
 835 $languages['cs_CZ']['ALTNAME'] = '&#268;e&scaron;tina';
 836 $languages['cs_CZ']['CHARSET'] = 'iso-8859-2';
 837 $languages['cs_CZ']['LOCALE']  = 'cs_CZ.ISO8859-2';
 838 $languages['cs']['ALIAS']      = 'cs_CZ';
 839
 840 $languages['cy_GB']['NAME']    = 'Welsh';
 841 $languages['cy_GB']['ALTNAME'] = 'Cymraeg';
 842 $languages['cy_GB']['CHARSET'] = 'iso-8859-1';
 843 $languages['cy_GB']['LOCALE']  = 'cy_GB.ISO8859-1';
 844 $languages['cy']['ALIAS'] = 'cy_GB';
 845
 846 // Danish locale is da_DK.
 847 $languages['da_DK']['NAME']    = 'Danish';
 848 $languages['da_DK']['ALTNAME'] = 'Dansk';
 849 $languages['da_DK']['CHARSET'] = 'iso-8859-1';
 850 $languages['da_DK']['LOCALE']  = 'da_DK.ISO8859-1';
 851 $languages['da']['ALIAS'] = 'da_DK';
 852
 853 $languages['de_DE']['NAME']    = 'German';
 854 $languages['de_DE']['ALTNAME']    = 'Deutsch';
 855 $languages['de_DE']['CHARSET'] = 'iso-8859-1';
 856 $languages['de_DE']['LOCALE']  = 'de_DE.ISO8859-1';
 857 $languages['de']['ALIAS'] = 'de_DE';
 858
 859 $languages['el_GR']['NAME']    = 'Greek';
 860 $languages['el_GR']['ALTNAME'] = '&Epsilon;&lambda;&lambda;&eta;&nu;&iota;&kappa;&#940;';
 861 $languages['el_GR']['CHARSET'] = 'iso-8859-7';
 862 $languages['el_GR']['LOCALE']  = 'el_GR.ISO8859-7';
 863 $languages['el']['ALIAS'] = 'el_GR';
 864
 865 $languages['en_GB']['NAME']    = 'British';
 866 $languages['en_GB']['CHARSET'] = 'iso-8859-15';
 867 $languages['en_GB']['LOCALE']  = 'en_GB.ISO8859-15';
 868
 869 $languages['en_US']['NAME']    = 'English';
 870 $languages['en_US']['CHARSET'] = 'iso-8859-1';
 871 $languages['en_US']['LOCALE']  = 'en_US.ISO8859-1';
 872 $languages['en']['ALIAS'] = 'en_US';
 873
 874 $languages['es_ES']['NAME']    = 'Spanish';
 875 $languages['es_ES']['ALTNAME'] = 'Espa&ntilde;ol';
 876 $languages['es_ES']['CHARSET'] = 'iso-8859-1';
 877 $languages['es_ES']['LOCALE']  = 'es_ES.ISO8859-1';
 878 $languages['es']['ALIAS'] = 'es_ES';
 879
 880 $languages['et_EE']['NAME']    = 'Estonian';
 881 $languages['et_EE']['CHARSET'] = 'iso-8859-15';
 882 $languages['et_EE']['LOCALE']  = 'et_EE.ISO8859-15';
 883 $languages['et']['ALIAS'] = 'et_EE';
 884
 885 $languages['eu_ES']['NAME']    = 'Basque';
 886 $languages['eu_ES']['CHARSET'] = 'iso-8859-1';
 887 $languages['eu_ES']['LOCALE']  = 'eu_ES.ISO8859-1';
 888 $languages['eu']['ALIAS'] = 'eu_ES';
 889
 890 $languages['fo_FO']['NAME']    = 'Faroese';
 891 $languages['fo_FO']['CHARSET'] = 'iso-8859-1';
 892 $languages['fo_FO']['LOCALE']  = 'fo_FO.ISO8859-1';
 893 $languages['fo']['ALIAS'] = 'fo_FO';
 894
 895 $languages['fi_FI']['NAME']    = 'Finnish';
 896 $languages['fi_FI']['ALTNAME'] = 'Suomi';
 897 $languages['fi_FI']['CHARSET'] = 'iso-8859-1';
 898 $languages['fi_FI']['LOCALE']  = 'fi_FI.ISO8859-1';
 899 $languages['fi']['ALIAS'] = 'fi_FI';
 900
 901 $languages['fr_FR']['NAME']    = 'French';
 902 $languages['fr_FR']['ALTNAME'] = 'Fran&#231;ais';
 903 $languages['fr_FR']['CHARSET'] = 'iso-8859-1';
 904 $languages['fr_FR']['LOCALE']  = 'fr_FR.ISO8859-1';
 905 $languages['fr']['ALIAS'] = 'fr_FR';
 906
 907 $languages['hr_HR']['NAME']    = 'Croatian';
 908 $languages['hr_HR']['CHARSET'] = 'iso-8859-2';
 909 $languages['hr_HR']['LOCALE']  = 'hr_HR.ISO8859-2';
 910 $languages['hr']['ALIAS'] = 'hr_HR';
 911
 912 $languages['hu_HU']['NAME']    = 'Hungarian';
 913 $languages['hu_HU']['ALTNAME'] = 'Magyar';
 914 $languages['hu_HU']['CHARSET'] = 'iso-8859-2';
 915 $languages['hu_HU']['LOCALE']  = 'hu_HU.ISO8859-2';
 916 $languages['hu']['ALIAS'] = 'hu_HU';
 917
 918 $languages['id_ID']['NAME']    = 'Indonesian';
 919 $languages['id_ID']['ALTNAME'] = 'Bahasa Indonesia';
 920 $languages['id_ID']['CHARSET'] = 'iso-8859-1';
 921 $languages['id_ID']['LOCALE']  = 'id_ID.ISO8859-1';
 922 $languages['id']['ALIAS'] = 'id_ID';
 923
 924 $languages['is_IS']['NAME']    = 'Icelandic';
 925 $languages['is_IS']['ALTNAME'] = '&Iacute;slenska';
 926 $languages['is_IS']['CHARSET'] = 'iso-8859-1';
 927 $languages['is_IS']['LOCALE']  = 'is_IS.ISO8859-1';
 928 $languages['is']['ALIAS'] = 'is_IS';
 929
 930 $languages['it_IT']['NAME']    = 'Italian';
 931 $languages['it_IT']['CHARSET'] = 'iso-8859-1';
 932 $languages['it_IT']['LOCALE']  = 'it_IT.ISO8859-1';
 933 $languages['it']['ALIAS'] = 'it_IT';
 934
 935 $languages['ja_JP']['NAME']    = 'Japanese';
 936 $languages['ja_JP']['ALTNAME'] = '&#26085;&#26412;&#35486;';
 937 $languages['ja_JP']['CHARSET'] = 'iso-2022-jp';
 938 $languages['ja_JP']['LOCALE'] = 'ja_JP.EUC-JP';
 939 $languages['ja_JP']['XTRA_CODE'] = 'japanese_xtra';
 940 $languages['ja']['ALIAS'] = 'ja_JP';
 941
 942 $languages['ko_KR']['NAME']    = 'Korean';
 943 $languages['ko_KR']['CHARSET'] = 'euc-KR';
 944 $languages['ko_KR']['LOCALE']  = 'ko_KR.EUC-KR';
 945 $languages['ko_KR']['XTRA_CODE'] = 'korean_xtra';
 946 $languages['ko']['ALIAS'] = 'ko_KR';
 947
 948 $languages['lt_LT']['NAME']    = 'Lithuanian';
 949 $languages['lt_LT']['ALTNAME'] = 'Lietuvi&#371;';
 950 $languages['lt_LT']['CHARSET'] = 'utf-8';
 951 $languages['lt_LT']['LOCALE'] = 'lt_LT.UTF-8';
 952 $languages['lt']['ALIAS'] = 'lt_LT';
 953
 954 $languages['nl_NL']['NAME']    = 'Dutch';
 955 $languages['nl_NL']['ALTNAME'] = 'Nederlands';
 956 $languages['nl_NL']['CHARSET'] = 'iso-8859-1';
 957 $languages['nl_NL']['LOCALE']  = 'nl_NL.ISO8859-1';
 958 $languages['nl']['ALIAS'] = 'nl_NL';
 959
 960 $languages['ms_MY']['NAME']    = 'Malay';
 961 $languages['ms_MY']['ALTNAME'] = 'Bahasa Melayu';
 962 $languages['ms_MY']['CHARSET'] = 'iso-8859-1';
 963 $languages['ms_MY']['LOCALE']  = 'ms_MY.ISO8859-1';
 964 $languages['my']['ALIAS'] = 'ms_MY';
 965
 966 $languages['nb_NO']['NAME']    = 'Norwegian (Bokm&aring;l)';
 967 $languages['nb_NO']['ALTNAME'] = 'Norsk (Bokm&aring;l)';
 968 $languages['nb_NO']['CHARSET'] = 'iso-8859-1';
 969 $languages['nb_NO']['LOCALE']  = 'nb_NO.ISO8859-1';
 970 $languages['nb']['ALIAS'] = 'nb_NO';
 971
 972 $languages['nn_NO']['NAME']    = 'Norwegian (Nynorsk)';
 973 $languages['nn_NO']['ALTNAME'] = 'Norsk (Nynorsk)';
 974 $languages['nn_NO']['CHARSET'] = 'iso-8859-1';
 975 $languages['nn_NO']['LOCALE']  = 'nn_NO.ISO8859-1';
 976
 977 $languages['pl_PL']['NAME']    = 'Polish';
 978 $languages['pl_PL']['ALTNAME'] = 'Polski';
 979 $languages['pl_PL']['CHARSET'] = 'iso-8859-2';
 980 $languages['pl_PL']['LOCALE']  = 'pl_PL.ISO8859-2';
 981 $languages['pl']['ALIAS'] = 'pl_PL';
 982
 983 $languages['pt_PT']['NAME'] = 'Portuguese (Portugal)';
 984 $languages['pt_PT']['CHARSET'] = 'iso-8859-1';
 985 $languages['pt_PT']['LOCALE']  = 'pt_PT.ISO8859-1';
 986 $languages['pt']['ALIAS'] = 'pt_PT';
 987
 988 $languages['pt_BR']['NAME']    = 'Portuguese (Brazil)';
 989 $languages['pt_BR']['ALTNAME'] = 'Portugu&ecirc;s do Brasil';
 990 $languages['pt_BR']['CHARSET'] = 'iso-8859-1';
 991 $languages['pt_BR']['LOCALE']  = 'pt_BR.ISO8859-1';
 992
 993 $languages['ro_RO']['NAME']    = 'Romanian';
 994 $languages['ro_RO']['ALTNAME'] = 'Rom&acirc;n&#259;';
 995 $languages['ro_RO']['CHARSET'] = 'iso-8859-2';
 996 $languages['ro_RO']['LOCALE']  = 'ro_RO.ISO8859-2';
 997 $languages['ro']['ALIAS'] = 'ro_RO';
 998
 999 $languages['ru_RU']['NAME']    = 'Russian';
1000 $languages['ru_RU']['ALTNAME'] = '&#1056;&#1091;&#1089;&#1089;&#1082;&#1080;&#1081;';
1001 $languages['ru_RU']['CHARSET'] = 'utf-8';
1002 $languages['ru_RU']['LOCALE']  = 'ru_RU.UTF-8';
1003 $languages['ru']['ALIAS'] = 'ru_RU';
1004
1005 $languages['sk_SK']['NAME']    = 'Slovak';
1006 $languages['sk_SK']['CHARSET'] = 'iso-8859-2';
1007 $languages['sk_SK']['LOCALE']  = 'sk_SK.ISO8859-2';
1008 $languages['sk']['ALIAS'] = 'sk_SK';
1009
1010 $languages['sl_SI']['NAME']    = 'Slovenian';
1011 $languages['sl_SI']['ALTNAME'] = 'Sloven&scaron;&#269;ina';
1012 $languages['sl_SI']['CHARSET'] = 'iso-8859-2';
1013 $languages['sl_SI']['LOCALE']  = 'sl_SI.ISO8859-2';
1014 $languages['sl']['ALIAS'] = 'sl_SI';
1015
1016 $languages['sr_YU']['NAME']    = 'Serbian';
1017 $languages['sr_YU']['ALTNAME'] = 'Srpski';
1018 $languages['sr_YU']['CHARSET'] = 'iso-8859-2';
1019 $languages['sr_YU']['LOCALE']  = 'sr_YU.ISO8859-2';
1020 $languages['sr']['ALIAS'] = 'sr_YU';
1021
1022 $languages['sv_SE']['NAME']    = 'Swedish';
1023 $languages['sv_SE']['ALTNAME'] = 'Svenska';
1024 $languages['sv_SE']['CHARSET'] = 'iso-8859-1';
1025 $languages['sv_SE']['LOCALE']  = 'sv_SE.ISO8859-1';
1026 $languages['sv']['ALIAS'] = 'sv_SE';
1027
1028 $languages['th_TH']['NAME']    = 'Thai';
1029 $languages['th_TH']['CHARSET'] = 'tis-620';
1030 $languages['th_TH']['LOCALE']  = 'th_TH.TIS-620';
1031 $languages['th']['ALIAS'] = 'th_TH';
1032
1033 $languages['tl_PH']['NAME']    = 'Tagalog';
1034 $languages['tl_PH']['CHARSET'] = 'iso-8859-1';
1035 $languages['tl_PH']['LOCALE']  = 'tl_PH.ISO8859-1';
1036 $languages['tl']['ALIAS'] = 'tl_PH';
1037
1038 $languages['tr_TR']['NAME']    = 'Turkish';
1039 $languages['tr_TR']['CHARSET'] = 'iso-8859-9';
1040 $languages['tr_TR']['LOCALE']  = 'tr_TR.ISO8859-9';
1041 $languages['tr']['ALIAS'] = 'tr_TR';
1042
1043 $languages['zh_TW']['NAME']    = 'Chinese Trad';
1044 $languages['zh_TW']['CHARSET'] = 'big5';
1045 $languages['zh_TW']['LOCALE']  = 'zh_TW.BIG5';
1046 $languages['tw']['ALIAS'] = 'zh_TW';
1047
1048 $languages['zh_CN']['NAME']    = 'Chinese Simp';
1049 $languages['zh_CN']['CHARSET'] = 'gb2312';
1050 $languages['zh_CN']['LOCALE']  = 'zh_CN.GB2312';
1051 $languages['cn']['ALIAS'] = 'zh_CN';
1052
1053 $languages['uk_UA']['NAME']    = 'Ukrainian';
1054 $languages['uk_UA']['CHARSET'] = 'koi8-u';
1055 $languages['uk_UA']['LOCALE']  = 'uk_UA.KOI8-U';
1056 $languages['uk']['ALIAS'] = 'uk_UA';
1057
1058 $languages['ru_UA']['NAME']    = 'Russian (Ukrainian)';
1059 $languages['ru_UA']['CHARSET'] = 'koi8-r';
1060 $languages['ru_UA']['LOCALE']  = 'ru_UA.KOI8-R';
1061
1062 /*
1063 $languages['vi_VN']['NAME']    = 'Vietnamese';
1064 $languages['vi_VN']['CHARSET'] = 'utf-8';
1065 $languages['vi']['ALIAS'] = 'vi_VN';
1066 */
1067
1068 // Right to left languages
1069 $languages['ar']['NAME']    = 'Arabic';
1070 $languages['ar']['CHARSET'] = 'windows-1256';
1071 $languages['ar']['DIR']     = 'rtl';
1072
1073 $languages['fa_IR']['NAME']    = 'Farsi';
1074 $languages['fa_IR']['CHARSET'] = 'utf-8';
1075 $languages['fa_IR']['DIR']     = 'rtl';
1076 $languages['fa_IR']['LOCALE']  = 'fa_IR.UTF-8';
1077 $languages['fa']['ALIAS']      = 'fa_IR';
1078
1079 $languages['he_IL']['NAME']    = 'Hebrew';
1080 $languages['he_IL']['CHARSET'] = 'windows-1255';
1081 $languages['he_IL']['LOCALE']  = 'he_IL.CP1255';
1082 $languages['he_IL']['DIR']     = 'rtl';
1083 $languages['he']['ALIAS']      = 'he_IL';
1084
1085 $languages['ug']['NAME']    = 'Uighur';
1086 $languages['ug']['CHARSET'] = 'utf-8';
1087 $languages['ug']['DIR']     = 'rtl';
1088
1089 /* Detect whether gettext is installed. */
1090 $gettext_flags = 0;
1091 if (function_exists('_')) {
1092     $gettext_flags += 1;
1093 }
1094 if (function_exists('bindtextdomain')) {
1095     $gettext_flags += 2;
1096 }
1097 if (function_exists('textdomain')) {
1098     $gettext_flags += 4;
1099 }
1100 if (function_exists('ngettext')) {
1101     $gettext_flags += 8;
1102 }
1103
1104 /* If gettext is fully loaded, cool */
1105 if ($gettext_flags == 15) {
1106     $use_gettext = true;
1107 }
1108
1109 /* If ngettext support is missing, load it */
1110 elseif ($gettext_flags == 7) {
1111     $use_gettext = true;
1112     // load internal ngettext functions
1113     include_once(SM_PATH . 'class/l10n.class.php');
1114     include_once(SM_PATH . 'functions/ngettext.php');
1115 }
1116
1117 /* If we can fake gettext, try that */
1118 elseif ($gettext_flags == 0) {
1119     $use_gettext = true;
1120     include_once(SM_PATH . 'functions/gettext.php');
1121 } else {
1122     /* Uh-ho.  A weird install */
1123     if (! $gettext_flags & 1) {
1124       /**
1125        * Function is used as replacement in broken installs
1126        * @ignore
1127        */
1128         function _($str) {
1129             return $str;
1130         }
1131     }
1132     if (! $gettext_flags & 2) {
1133       /**
1134        * Function is used as replacement in broken installs
1135        * @ignore
1136        */
1137         function bindtextdomain() {
1138             return;
1139         }
1140     }
1141     if (! $gettext_flags & 4) {
1142       /**
1143        * Function is used as replacemet in broken installs
1144        * @ignore
1145        */
1146         function textdomain() {
1147             return;
1148         }
1149     }
1150     if (! $gettext_flags & 8) {
1151         /**
1152          * Function is used as replacemet in broken installs
1153          * @ignore
1154          */
1155         function ngettext($str,$str2,$number) {
1156             if ($number>1) {
1157                 return $str2;
1158             } else {
1159                 return $str;
1160             }
1161         }
1162     }
1163 }
1164 ?>