Dave Huang <khym+skwirl@azeotrope.org> html format reporting
[squirrelmail.git] / functions / i18n.php
... / ...
CommitLineData
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 */
19function charset_decode ($charset, $string) {
20 global $debug_mime;
21
22 /* All HTML special characters are 7 bit and can be replaced first */
23 $string = htmlspecialchars ($string);
24
25 $charset = strtolower($charset);
26
27 if ($debug_mime) $string = $charset . ':' . $string;
28
29 if (ereg('iso-8859-([[:digit:]]+)', $charset, $res)) {
30 if ($res[1] == '1') {
31 $ret = charset_decode_iso_8859_1 ($string);
32 } else if ($res[1] == '2') {
33 $ret = charset_decode_iso_8859_2 ($string);
34 } else if ($res[1] == '7') {
35 $ret = charset_decode_iso_8859_7 ($string);
36 } else if ($res[1] == '15') {
37 $ret = charset_decode_iso_8859_15 ($string);
38 } else {
39 $ret = charset_decode_iso_8859_default ($string);
40 }
41 } else if ($charset == 'ns_4551-1') {
42 $ret = charset_decode_ns_4551_1 ($string);
43 } else if ($charset == 'koi8-r') {
44 $ret = charset_decode_koi8r ($string);
45 } else if ($charset == 'windows-1251') {
46 $ret = charset_decode_koi8r ($string);
47 } else {
48 $ret = $string;
49 }
50 return( $ret );
51}
52
53/*
54 iso-8859-1 is the same as Latin 1 and is normally used
55 in western europe.
56 */
57function charset_decode_iso_8859_1 ($string) {
58 global $default_charset;
59
60 if (strtolower($default_charset) <> 'iso-8859-1') {
61 /* Only do the slow convert if there are 8-bit characters */
62 if (ereg("[\200-\377]", $string)) {
63 $string = str_replace("\201", '&#129;', $string);
64 $string = str_replace("\202", '&#130;', $string);
65 $string = str_replace("\203", '&#131;', $string);
66 $string = str_replace("\204", '&#132;', $string);
67 $string = str_replace("\205", '&#133;', $string);
68 $string = str_replace("\206", '&#134;', $string);
69 $string = str_replace("\207", '&#135;', $string);
70 $string = str_replace("\210", '&#136;', $string);
71 $string = str_replace("\211", '&#137;', $string);
72 $string = str_replace("\212", '&#138;', $string);
73 $string = str_replace("\213", '&#139;', $string);
74 $string = str_replace("\214", '&#140;', $string);
75 $string = str_replace("\215", '&#141;', $string);
76 $string = str_replace("\216", '&#142;', $string);
77 $string = str_replace("\217", '&#143;', $string);
78 $string = str_replace("\220", '&#144;', $string);
79 $string = str_replace("\221", '&#145;', $string);
80 $string = str_replace("\222", '&#146;', $string);
81 $string = str_replace("\223", '&#147;', $string);
82 $string = str_replace("\224", '&#148;', $string);
83 $string = str_replace("\225", '&#149;', $string);
84 $string = str_replace("\226", '&#150;', $string);
85 $string = str_replace("\227", '&#151;', $string);
86 $string = str_replace("\230", '&#152;', $string);
87 $string = str_replace("\231", '&#153;', $string);
88 $string = str_replace("\232", '&#154;', $string);
89 $string = str_replace("\233", '&#155;', $string);
90 $string = str_replace("\234", '&#156;', $string);
91 $string = str_replace("\235", '&#157;', $string);
92 $string = str_replace("\236", '&#158;', $string);
93 $string = str_replace("\237", '&#159;', $string);
94 $string = str_replace("\240", '&#160;', $string);
95 $string = str_replace("\241", '&#161;', $string);
96 $string = str_replace("\242", '&#162;', $string);
97 $string = str_replace("\243", '&#163;', $string);
98 $string = str_replace("\244", '&#164;', $string);
99 $string = str_replace("\245", '&#165;', $string);
100 $string = str_replace("\246", '&#166;', $string);
101 $string = str_replace("\247", '&#167;', $string);
102 $string = str_replace("\250", '&#168;', $string);
103 $string = str_replace("\251", '&#169;', $string);
104 $string = str_replace("\252", '&#170;', $string);
105 $string = str_replace("\253", '&#171;', $string);
106 $string = str_replace("\254", '&#172;', $string);
107 $string = str_replace("\255", '&#173;', $string);
108 $string = str_replace("\256", '&#174;', $string);
109 $string = str_replace("\257", '&#175;', $string);
110 $string = str_replace("\260", '&#176;', $string);
111 $string = str_replace("\261", '&#177;', $string);
112 $string = str_replace("\262", '&#178;', $string);
113 $string = str_replace("\263", '&#179;', $string);
114 $string = str_replace("\264", '&#180;', $string);
115 $string = str_replace("\265", '&#181;', $string);
116 $string = str_replace("\266", '&#182;', $string);
117 $string = str_replace("\267", '&#183;', $string);
118 $string = str_replace("\270", '&#184;', $string);
119 $string = str_replace("\271", '&#185;', $string);
120 $string = str_replace("\272", '&#186;', $string);
121 $string = str_replace("\273", '&#187;', $string);
122 $string = str_replace("\274", '&#188;', $string);
123 $string = str_replace("\275", '&#189;', $string);
124 $string = str_replace("\276", '&#190;', $string);
125 $string = str_replace("\277", '&#191;', $string);
126 $string = str_replace("\300", '&#192;', $string);
127 $string = str_replace("\301", '&#193;', $string);
128 $string = str_replace("\302", '&#194;', $string);
129 $string = str_replace("\303", '&#195;', $string);
130 $string = str_replace("\304", '&#196;', $string);
131 $string = str_replace("\305", '&#197;', $string);
132 $string = str_replace("\306", '&#198;', $string);
133 $string = str_replace("\307", '&#199;', $string);
134 $string = str_replace("\310", '&#200;', $string);
135 $string = str_replace("\311", '&#201;', $string);
136 $string = str_replace("\312", '&#202;', $string);
137 $string = str_replace("\313", '&#203;', $string);
138 $string = str_replace("\314", '&#204;', $string);
139 $string = str_replace("\315", '&#205;', $string);
140 $string = str_replace("\316", '&#206;', $string);
141 $string = str_replace("\317", '&#207;', $string);
142 $string = str_replace("\320", '&#208;', $string);
143 $string = str_replace("\321", '&#209;', $string);
144 $string = str_replace("\322", '&#210;', $string);
145 $string = str_replace("\323", '&#211;', $string);
146 $string = str_replace("\324", '&#212;', $string);
147 $string = str_replace("\325", '&#213;', $string);
148 $string = str_replace("\326", '&#214;', $string);
149 $string = str_replace("\327", '&#215;', $string);
150 $string = str_replace("\330", '&#216;', $string);
151 $string = str_replace("\331", '&#217;', $string);
152 $string = str_replace("\332", '&#218;', $string);
153 $string = str_replace("\333", '&#219;', $string);
154 $string = str_replace("\334", '&#220;', $string);
155 $string = str_replace("\335", '&#221;', $string);
156 $string = str_replace("\336", '&#222;', $string);
157 $string = str_replace("\337", '&#223;', $string);
158 $string = str_replace("\340", '&#224;', $string);
159 $string = str_replace("\341", '&#225;', $string);
160 $string = str_replace("\342", '&#226;', $string);
161 $string = str_replace("\343", '&#227;', $string);
162 $string = str_replace("\344", '&#228;', $string);
163 $string = str_replace("\345", '&#229;', $string);
164 $string = str_replace("\346", '&#230;', $string);
165 $string = str_replace("\347", '&#231;', $string);
166 $string = str_replace("\350", '&#232;', $string);
167 $string = str_replace("\351", '&#233;', $string);
168 $string = str_replace("\352", '&#234;', $string);
169 $string = str_replace("\353", '&#235;', $string);
170 $string = str_replace("\354", '&#236;', $string);
171 $string = str_replace("\355", '&#237;', $string);
172 $string = str_replace("\356", '&#238;', $string);
173 $string = str_replace("\357", '&#239;', $string);
174 $string = str_replace("\360", '&#240;', $string);
175 $string = str_replace("\361", '&#241;', $string);
176 $string = str_replace("\362", '&#242;', $string);
177 $string = str_replace("\363", '&#243;', $string);
178 $string = str_replace("\364", '&#244;', $string);
179 $string = str_replace("\365", '&#245;', $string);
180 $string = str_replace("\366", '&#246;', $string);
181 $string = str_replace("\367", '&#247;', $string);
182 $string = str_replace("\370", '&#248;', $string);
183 $string = str_replace("\371", '&#249;', $string);
184 $string = str_replace("\372", '&#250;', $string);
185 $string = str_replace("\373", '&#251;', $string);
186 $string = str_replace("\374", '&#252;', $string);
187 $string = str_replace("\375", '&#253;', $string);
188 $string = str_replace("\376", '&#254;', $string);
189 $string = str_replace("\377", '&#255;', $string);
190 }
191 }
192
193 return ($string);
194}
195
196/* iso-8859-2 is used for some eastern European languages */
197function charset_decode_iso_8859_2 ($string) {
198 global $default_charset;
199
200 if (strtolower($default_charset) == 'iso-8859-2')
201 return $string;
202
203 /* Only do the slow convert if there are 8-bit characters */
204 if (! ereg("[\200-\377]", $string))
205 return $string;
206
207 /* NO-BREAK SPACE */
208 $string = str_replace("\240", '&#160;', $string);
209 /* LATIN CAPITAL LETTER A WITH OGONEK */
210 $string = str_replace("\241", '&#260;', $string);
211 /* BREVE */
212 $string = str_replace("\242", '&#728;', $string);
213 // LATIN CAPITAL LETTER L WITH STROKE
214 $string = str_replace("\243", '&#321;', $string);
215 // CURRENCY SIGN
216 $string = str_replace("\244", '&#164;', $string);
217 // LATIN CAPITAL LETTER L WITH CARON
218 $string = str_replace("\245", '&#317;', $string);
219 // LATIN CAPITAL LETTER S WITH ACUTE
220 $string = str_replace("\246", '&#346;', $string);
221 // SECTION SIGN
222 $string = str_replace("\247", '&#167;', $string);
223 // DIAERESIS
224 $string = str_replace("\250", '&#168;', $string);
225 // LATIN CAPITAL LETTER S WITH CARON
226 $string = str_replace("\251", '&#352;', $string);
227 // LATIN CAPITAL LETTER S WITH CEDILLA
228 $string = str_replace("\252", '&#350;', $string);
229 // LATIN CAPITAL LETTER T WITH CARON
230 $string = str_replace("\253", '&#356;', $string);
231 // LATIN CAPITAL LETTER Z WITH ACUTE
232 $string = str_replace("\254", '&#377;', $string);
233 // SOFT HYPHEN
234 $string = str_replace("\255", '&#173;', $string);
235 // LATIN CAPITAL LETTER Z WITH CARON
236 $string = str_replace("\256", '&#381;', $string);
237 // LATIN CAPITAL LETTER Z WITH DOT ABOVE
238 $string = str_replace("\257", '&#379;', $string);
239 // DEGREE SIGN
240 $string = str_replace("\260", '&#176;', $string);
241 // LATIN SMALL LETTER A WITH OGONEK
242 $string = str_replace("\261", '&#261;', $string);
243 // OGONEK
244 $string = str_replace("\262", '&#731;', $string);
245 // LATIN SMALL LETTER L WITH STROKE
246 $string = str_replace("\263", '&#322;', $string);
247 // ACUTE ACCENT
248 $string = str_replace("\264", '&#180;', $string);
249 // LATIN SMALL LETTER L WITH CARON
250 $string = str_replace("\265", '&#318;', $string);
251 // LATIN SMALL LETTER S WITH ACUTE
252 $string = str_replace("\266", '&#347;', $string);
253 // CARON
254 $string = str_replace("\267", '&#711;', $string);
255 // CEDILLA
256 $string = str_replace("\270", '&#184;', $string);
257 // LATIN SMALL LETTER S WITH CARON
258 $string = str_replace("\271", '&#353;', $string);
259 // LATIN SMALL LETTER S WITH CEDILLA
260 $string = str_replace("\272", '&#351;', $string);
261 // LATIN SMALL LETTER T WITH CARON
262 $string = str_replace("\273", '&#357;', $string);
263 // LATIN SMALL LETTER Z WITH ACUTE
264 $string = str_replace("\274", '&#378;', $string);
265 // DOUBLE ACUTE ACCENT
266 $string = str_replace("\275", '&#733;', $string);
267 // LATIN SMALL LETTER Z WITH CARON
268 $string = str_replace("\276", '&#382;', $string);
269 // LATIN SMALL LETTER Z WITH DOT ABOVE
270 $string = str_replace("\277", '&#380;', $string);
271 // LATIN CAPITAL LETTER R WITH ACUTE
272 $string = str_replace("\300", '&#340;', $string);
273 // LATIN CAPITAL LETTER A WITH ACUTE
274 $string = str_replace("\301", '&#193;', $string);
275 // LATIN CAPITAL LETTER A WITH CIRCUMFLEX
276 $string = str_replace("\302", '&#194;', $string);
277 // LATIN CAPITAL LETTER A WITH BREVE
278 $string = str_replace("\303", '&#258;', $string);
279 // LATIN CAPITAL LETTER A WITH DIAERESIS
280 $string = str_replace("\304", '&#196;', $string);
281 // LATIN CAPITAL LETTER L WITH ACUTE
282 $string = str_replace("\305", '&#313;', $string);
283 // LATIN CAPITAL LETTER C WITH ACUTE
284 $string = str_replace("\306", '&#262;', $string);
285 // LATIN CAPITAL LETTER C WITH CEDILLA
286 $string = str_replace("\307", '&#199;', $string);
287 // LATIN CAPITAL LETTER C WITH CARON
288 $string = str_replace("\310", '&#268;', $string);
289 // LATIN CAPITAL LETTER E WITH ACUTE
290 $string = str_replace("\311", '&#201;', $string);
291 // LATIN CAPITAL LETTER E WITH OGONEK
292 $string = str_replace("\312", '&#280;', $string);
293 // LATIN CAPITAL LETTER E WITH DIAERESIS
294 $string = str_replace("\313", '&#203;', $string);
295 // LATIN CAPITAL LETTER E WITH CARON
296 $string = str_replace("\314", '&#282;', $string);
297 // LATIN CAPITAL LETTER I WITH ACUTE
298 $string = str_replace("\315", '&#205;', $string);
299 // LATIN CAPITAL LETTER I WITH CIRCUMFLEX
300 $string = str_replace("\316", '&#206;', $string);
301 // LATIN CAPITAL LETTER D WITH CARON
302 $string = str_replace("\317", '&#270;', $string);
303 // LATIN CAPITAL LETTER D WITH STROKE
304 $string = str_replace("\320", '&#272;', $string);
305 // LATIN CAPITAL LETTER N WITH ACUTE
306 $string = str_replace("\321", '&#323;', $string);
307 // LATIN CAPITAL LETTER N WITH CARON
308 $string = str_replace("\322", '&#327;', $string);
309 // LATIN CAPITAL LETTER O WITH ACUTE
310 $string = str_replace("\323", '&#211;', $string);
311 // LATIN CAPITAL LETTER O WITH CIRCUMFLEX
312 $string = str_replace("\324", '&#212;', $string);
313 // LATIN CAPITAL LETTER O WITH DOUBLE ACUTE
314 $string = str_replace("\325", '&#336;', $string);
315 // LATIN CAPITAL LETTER O WITH DIAERESIS
316 $string = str_replace("\326", '&#214;', $string);
317 // MULTIPLICATION SIGN
318 $string = str_replace("\327", '&#215;', $string);
319 // LATIN CAPITAL LETTER R WITH CARON
320 $string = str_replace("\330", '&#344;', $string);
321 // LATIN CAPITAL LETTER U WITH RING ABOVE
322 $string = str_replace("\331", '&#366;', $string);
323 // LATIN CAPITAL LETTER U WITH ACUTE
324 $string = str_replace("\332", '&#218;', $string);
325 // LATIN CAPITAL LETTER U WITH DOUBLE ACUTE
326 $string = str_replace("\333", '&#368;', $string);
327 // LATIN CAPITAL LETTER U WITH DIAERESIS
328 $string = str_replace("\334", '&#220;', $string);
329 // LATIN CAPITAL LETTER Y WITH ACUTE
330 $string = str_replace("\335", '&#221;', $string);
331 // LATIN CAPITAL LETTER T WITH CEDILLA
332 $string = str_replace("\336", '&#354;', $string);
333 // LATIN SMALL LETTER SHARP S
334 $string = str_replace("\337", '&#223;', $string);
335 // LATIN SMALL LETTER R WITH ACUTE
336 $string = str_replace("\340", '&#341;', $string);
337 // LATIN SMALL LETTER A WITH ACUTE
338 $string = str_replace("\341", '&#225;', $string);
339 // LATIN SMALL LETTER A WITH CIRCUMFLEX
340 $string = str_replace("\342", '&#226;', $string);
341 // LATIN SMALL LETTER A WITH BREVE
342 $string = str_replace("\343", '&#259;', $string);
343 // LATIN SMALL LETTER A WITH DIAERESIS
344 $string = str_replace("\344", '&#228;', $string);
345 // LATIN SMALL LETTER L WITH ACUTE
346 $string = str_replace("\345", '&#314;', $string);
347 // LATIN SMALL LETTER C WITH ACUTE
348 $string = str_replace("\346", '&#263;', $string);
349 // LATIN SMALL LETTER C WITH CEDILLA
350 $string = str_replace("\347", '&#231;', $string);
351 // LATIN SMALL LETTER C WITH CARON
352 $string = str_replace("\350", '&#269;', $string);
353 // LATIN SMALL LETTER E WITH ACUTE
354 $string = str_replace("\351", '&#233;', $string);
355 // LATIN SMALL LETTER E WITH OGONEK
356 $string = str_replace("\352", '&#281;', $string);
357 // LATIN SMALL LETTER E WITH DIAERESIS
358 $string = str_replace("\353", '&#235;', $string);
359 // LATIN SMALL LETTER E WITH CARON
360 $string = str_replace("\354", '&#283;', $string);
361 // LATIN SMALL LETTER I WITH ACUTE
362 $string = str_replace("\355", '&#237;', $string);
363 // LATIN SMALL LETTER I WITH CIRCUMFLEX
364 $string = str_replace("\356", '&#238;', $string);
365 // LATIN SMALL LETTER D WITH CARON
366 $string = str_replace("\357", '&#271;', $string);
367 // LATIN SMALL LETTER D WITH STROKE
368 $string = str_replace("\360", '&#273;', $string);
369 // LATIN SMALL LETTER N WITH ACUTE
370 $string = str_replace("\361", '&#324;', $string);
371 // LATIN SMALL LETTER N WITH CARON
372 $string = str_replace("\362", '&#328;', $string);
373 // LATIN SMALL LETTER O WITH ACUTE
374 $string = str_replace("\363", '&#243;', $string);
375 // LATIN SMALL LETTER O WITH CIRCUMFLEX
376 $string = str_replace("\364", '&#244;', $string);
377 // LATIN SMALL LETTER O WITH DOUBLE ACUTE
378 $string = str_replace("\365", '&#337;', $string);
379 // LATIN SMALL LETTER O WITH DIAERESIS
380 $string = str_replace("\366", '&#246;', $string);
381 // DIVISION SIGN
382 $string = str_replace("\367", '&#247;', $string);
383 // LATIN SMALL LETTER R WITH CARON
384 $string = str_replace("\370", '&#345;', $string);
385 // LATIN SMALL LETTER U WITH RING ABOVE
386 $string = str_replace("\371", '&#367;', $string);
387 // LATIN SMALL LETTER U WITH ACUTE
388 $string = str_replace("\372", '&#250;', $string);
389 // LATIN SMALL LETTER U WITH DOUBLE ACUTE
390 $string = str_replace("\373", '&#369;', $string);
391 // LATIN SMALL LETTER U WITH DIAERESIS
392 $string = str_replace("\374", '&#252;', $string);
393 // LATIN SMALL LETTER Y WITH ACUTE
394 $string = str_replace("\375", '&#253;', $string);
395 // LATIN SMALL LETTER T WITH CEDILLA
396 $string = str_replace("\376", '&#355;', $string);
397 // DOT ABOVE
398 $string = str_replace("\377", '&#729;', $string);
399
400 return $string;
401}
402
403/* iso-8859-7 is Greek. */
404function charset_decode_iso_8859_7 ($string) {
405 global $default_charset;
406
407 if (strtolower($default_charset) == 'iso-8859-7') {
408 return $string;
409 }
410
411 /* Only do the slow convert if there are 8-bit characters */
412 if (!ereg("[\200-\377]", $string)) {
413 return $string;
414 }
415
416 /* Some diverse characters in the beginning */
417 $string = str_replace("\240", '&#160;', $string);
418 $string = str_replace("\241", '&#8216;', $string);
419 $string = str_replace("\242", '&#8217;', $string);
420 $string = str_replace("\243", '&#163;', $string);
421 $string = str_replace("\246", '&#166;', $string);
422 $string = str_replace("\247", '&#167;', $string);
423 $string = str_replace("\250", '&#168;', $string);
424 $string = str_replace("\251", '&#169;', $string);
425 $string = str_replace("\253", '&#171;', $string);
426 $string = str_replace("\254", '&#172;', $string);
427 $string = str_replace("\255", '&#173;', $string);
428 $string = str_replace("\257", '&#8213;', $string);
429 $string = str_replace("\260", '&#176;', $string);
430 $string = str_replace("\261", '&#177;', $string);
431 $string = str_replace("\262", '&#178;', $string);
432 $string = str_replace("\263", '&#179;', $string);
433
434 /* Horizontal bar (parentheki pavla) */
435 $string = str_replace ("\257", '&#8213;', $string);
436
437 /*
438 * ISO-8859-7 characters from 11/04 (0xB4) to 11/06 (0xB6)
439 * These are Unicode 900-902
440 */
441 while (ereg("([\264-\266])", $string, $res)) {
442 $replace = '&#' . (ord($res[1])+720) . ';';
443 $string = str_replace($res[1], $replace, $string);
444 }
445
446 /* 11/07 (0xB7) Middle dot is the same in iso-8859-1 */
447 $string = str_replace("\267", '&#183;', $string);
448
449 /*
450 * ISO-8859-7 characters from 11/08 (0xB8) to 11/10 (0xBA)
451 * These are Unicode 900-902
452 */
453 while (ereg("([\270-\272])", $string, $res)) {
454 $replace = '&#' . (ord($res[1])+720) . ";";
455 $string = str_replace($res[1], $replace, $string);
456 }
457
458 /*
459 * 11/11 (0xBB) Right angle quotation mark is the same as in
460 * iso-8859-1
461 */
462 $string = str_replace("\273", '&#187;', $string);
463
464 /* And now the rest of the charset */
465 while (ereg("([\274-\376])", $string, $res)) {
466 $replace = '&#' . (ord($res[1])+720) . ';';
467 $string = str_replace($res[1], $replace, $string);
468 }
469
470 return $string;
471}
472
473/*
474 * iso-8859-15 is Latin 9 and has very much the same use as Latin 1
475 * but has the Euro symbol and some characters needed for French.
476 */
477function charset_decode_iso_8859_15 ($string) {
478 // Euro sign
479 $string = str_replace ("\244", '&#8364;', $string);
480 // Latin capital letter S with caron
481 $string = str_replace ("\244", '&#352;', $string);
482 // Latin small letter s with caron
483 $string = str_replace ("\250", '&#353;', $string);
484 // Latin capital letter Z with caron
485 $string = str_replace ("\264", '&#381;', $string);
486 // Latin small letter z with caron
487 $string = str_replace ("\270", '&#382;', $string);
488 // Latin capital ligature OE
489 $string = str_replace ("\274", '&#338;', $string);
490 // Latin small ligature oe
491 $string = str_replace ("\275", '&#339;', $string);
492 // Latin capital letter Y with diaeresis
493 $string = str_replace ("\276", '&#376;', $string);
494
495 return (charset_decode_iso_8859_1($string));
496}
497
498/* ISO-8859-15 is Cyrillic */
499function charset_decode_iso_8859_5 ($string) {
500 // Convert to KOI8-R, then return this decoded.
501 $string = convert_cyr_string($string, 'i', 'k');
502 return charset_decode_koi8r($string);
503}
504
505/* Remove all 8 bit characters from all other ISO-8859 character sets */
506function charset_decode_iso_8859_default ($string) {
507 return (strtr($string, "\240\241\242\243\244\245\246\247".
508 "\250\251\252\253\254\255\256\257".
509 "\260\261\262\263\264\265\266\267".
510 "\270\271\272\273\274\275\276\277".
511 "\300\301\302\303\304\305\306\307".
512 "\310\311\312\313\314\315\316\317".
513 "\320\321\322\323\324\325\326\327".
514 "\330\331\332\333\334\335\336\337".
515 "\340\341\342\343\344\345\346\347".
516 "\350\351\352\353\354\355\356\357".
517 "\360\361\362\363\364\365\366\367".
518 "\370\371\372\373\374\375\376\377",
519 "????????????????????????????????????????".
520 "????????????????????????????????????????".
521 "????????????????????????????????????????".
522 "????????"));
523
524}
525
526/*
527 * This is the same as ISO-646-NO and is used by some
528 * Microsoft programs when sending Norwegian characters
529 */
530function charset_decode_ns_4551_1 ($string) {
531 /*
532 * These characters are:
533 * Latin capital letter AE
534 * Latin capital letter O with stroke
535 * Latin capital letter A with ring above
536 * and the same as small letters
537 */
538