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$default_charset variable equal to user's locale when decoding messages.
[squirrelmail.git] / functions / i18n.php
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1<?php
2
3/**
4 * i18n.php
5 *
6 * Copyright (c) 1999-2003 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 $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 set_my_charset() ;
33
34 if (ereg('iso-8859-([[:digit:]]+)', $charset, $res)) {
35 if ($res[1] == '1') {
36 $ret = charset_decode_iso_8859_1 ($string);
37 } else if ($res[1] == '2') {
38 $ret = charset_decode_iso_8859_2 ($string);
39 } else if ($res[1] == '4') {
40 $ret = charset_decode_iso_8859_4 ($string);
41 } else if ($res[1] == '5') {
42 $ret = charset_decode_iso_8859_5 ($string);
43 } else if ($res[1] == '7') {
44 $ret = charset_decode_iso_8859_7 ($string);
45 } else if ($res[1] == '9') {
46 $ret = charset_decode_iso_8859_9 ($string);
47 } else if ($res[1] == '13') {
48 $ret = charset_decode_iso_8859_13 ($string);
49 } else if ($res[1] == '15') {
50 $ret = charset_decode_iso_8859_15 ($string);
51 } else {
52 $ret = charset_decode_iso_8859_default ($string);
53 }
54 } else if ($charset == 'ns_4551-1') {
55 $ret = charset_decode_ns_4551_1 ($string);
56 } else if ($charset == 'koi8-r') {
57 $ret = charset_decode_koi8r ($string);
58 } else if ($charset == 'windows-1251') {
59 $ret = charset_decode_windows_1251 ($string);
60 } else if ($charset == 'windows-1253') {
61 $ret = charset_decode_windows_1253 ($string);
62 } else if ($charset == 'windows-1254') {
63 $ret = charset_decode_windows_1254 ($string);
64 } else if ($charset == 'windows-1257') {
65 $ret = charset_decode_windows_1257 ($string);
66 } else if ($charset == 'utf-8') {
67 $ret = charset_decode_utf8 ($string);
68 } else {
69 $ret = $string;
70 }
71 return( $ret );
72}
73
74/*
75 iso-8859-1 is the same as Latin 1 and is normally used
76 in western europe.
77 */
78function charset_decode_iso_8859_1 ($string) {
79 global $default_charset;
80
81 if (strtolower($default_charset) <> 'iso-8859-1') {
82 /* Only do the slow convert if there are 8-bit characters */
83 if (ereg("[\200-\377]", $string)) {
84 $string = str_replace("\201", '&#129;', $string);
85 $string = str_replace("\202", '&#130;', $string);
86 $string = str_replace("\203", '&#131;', $string);
87 $string = str_replace("\204", '&#132;', $string);
88 $string = str_replace("\205", '&#133;', $string);
89 $string = str_replace("\206", '&#134;', $string);
90 $string = str_replace("\207", '&#135;', $string);
91 $string = str_replace("\210", '&#136;', $string);
92 $string = str_replace("\211", '&#137;', $string);
93 $string = str_replace("\212", '&#138;', $string);
94 $string = str_replace("\213", '&#139;', $string);
95 $string = str_replace("\214", '&#140;', $string);
96 $string = str_replace("\215", '&#141;', $string);
97 $string = str_replace("\216", '&#142;', $string);
98 $string = str_replace("\217", '&#143;', $string);
99 $string = str_replace("\220", '&#144;', $string);
100 $string = str_replace("\221", '&#145;', $string);
101 $string = str_replace("\222", '&#146;', $string);
102 $string = str_replace("\223", '&#147;', $string);
103 $string = str_replace("\224", '&#148;', $string);
104 $string = str_replace("\225", '&#149;', $string);
105 $string = str_replace("\226", '&#150;', $string);
106 $string = str_replace("\227", '&#151;', $string);
107 $string = str_replace("\230", '&#152;', $string);
108 $string = str_replace("\231", '&#153;', $string);
109 $string = str_replace("\232", '&#154;', $string);
110 $string = str_replace("\233", '&#155;', $string);
111 $string = str_replace("\234", '&#156;', $string);
112 $string = str_replace("\235", '&#157;', $string);
113 $string = str_replace("\236", '&#158;', $string);
114 $string = str_replace("\237", '&#159;', $string);
115 $string = str_replace("\240", '&#160;', $string);
116 $string = str_replace("\241", '&#161;', $string);
117 $string = str_replace("\242", '&#162;', $string);
118 $string = str_replace("\243", '&#163;', $string);
119 $string = str_replace("\244", '&#164;', $string);
120 $string = str_replace("\245", '&#165;', $string);
121 $string = str_replace("\246", '&#166;', $string);
122 $string = str_replace("\247", '&#167;', $string);
123 $string = str_replace("\250", '&#168;', $string);
124 $string = str_replace("\251", '&#169;', $string);
125 $string = str_replace("\252", '&#170;', $string);
126 $string = str_replace("\253", '&#171;', $string);
127 $string = str_replace("\254", '&#172;', $string);
128 $string = str_replace("\255", '&#173;', $string);
129 $string = str_replace("\256", '&#174;', $string);
130 $string = str_replace("\257", '&#175;', $string);
131 $string = str_replace("\260", '&#176;', $string);
132 $string = str_replace("\261", '&#177;', $string);
133 $string = str_replace("\262", '&#178;', $string);
134 $string = str_replace("\263", '&#179;', $string);
135 $string = str_replace("\264", '&#180;', $string);
136 $string = str_replace("\265", '&#181;', $string);
137 $string = str_replace("\266", '&#182;', $string);
138 $string = str_replace("\267", '&#183;', $string);
139 $string = str_replace("\270", '&#184;', $string);
140 $string = str_replace("\271", '&#185;', $string);
141 $string = str_replace("\272", '&#186;', $string);
142 $string = str_replace("\273", '&#187;', $string);
143 $string = str_replace("\274", '&#188;', $string);
144 $string = str_replace("\275", '&#189;', $string);
145 $string = str_replace("\276", '&#190;', $string);
146 $string = str_replace("\277", '&#191;', $string);
147 $string = str_replace("\300", '&#192;', $string);
148 $string = str_replace("\301", '&#193;', $string);
149 $string = str_replace("\302", '&#194;', $string);
150 $string = str_replace("\303", '&#195;', $string);
151 $string = str_replace("\304", '&#196;', $string);
152 $string = str_replace("\305", '&#197;', $string);
153 $string = str_replace("\306", '&#198;', $string);
154 $string = str_replace("\307", '&#199;', $string);
155 $string = str_replace("\310", '&#200;', $string);
156 $string = str_replace("\311", '&#201;', $string);
157 $string = str_replace("\312", '&#202;', $string);
158 $string = str_replace("\313", '&#203;', $string);
159 $string = str_replace("\314", '&#204;', $string);
160 $string = str_replace("\315", '&#205;', $string);
161 $string = str_replace("\316", '&#206;', $string);
162 $string = str_replace("\317", '&#207;', $string);
163 $string = str_replace("\320", '&#208;', $string);
164 $string = str_replace("\321", '&#209;', $string);
165 $string = str_replace("\322", '&#210;', $string);
166 $string = str_replace("\323", '&#211;', $string);
167 $string = str_replace("\324", '&#212;', $string);
168 $string = str_replace("\325", '&#213;', $string);
169 $string = str_replace("\326", '&#214;', $string);
170 $string = str_replace("\327", '&#215;', $string);
171 $string = str_replace("\330", '&#216;', $string);
172 $string = str_replace("\331", '&#217;', $string);
173 $string = str_replace("\332", '&#218;', $string);
174 $string = str_replace("\333", '&#219;', $string);
175 $string = str_replace("\334", '&#220;', $string);
176 $string = str_replace("\335", '&#221;', $string);
177 $string = str_replace("\336", '&#222;', $string);
178 $string = str_replace("\337", '&#223;', $string);
179 $string = str_replace("\340", '&#224;', $string);
180 $string = str_replace("\341", '&#225;', $string);
181 $string = str_replace("\342", '&#226;', $string);
182 $string = str_replace("\343", '&#227;', $string);
183 $string = str_replace("\344", '&#228;', $string);
184 $string = str_replace("\345", '&#229;', $string);
185 $string = str_replace("\346", '&#230;', $string);
186 $string = str_replace("\347", '&#231;', $string);
187 $string = str_replace("\350", '&#232;', $string);
188 $string = str_replace("\351", '&#233;', $string);
189 $string = str_replace("\352", '&#234;', $string);
190 $string = str_replace("\353", '&#235;', $string);
191 $string = str_replace("\354", '&#236;', $string);
192 $string = str_replace("\355", '&#237;', $string);
193 $string = str_replace("\356", '&#238;', $string);
194 $string = str_replace("\357", '&#239;', $string);
195 $string = str_replace("\360", '&#240;', $string);
196 $string = str_replace("\361", '&#241;', $string);
197 $string = str_replace("\362", '&#242;', $string);
198 $string = str_replace("\363", '&#243;', $string);
199 $string = str_replace("\364", '&#244;', $string);
200 $string = str_replace("\365", '&#245;', $string);
201 $string = str_replace("\366", '&#246;', $string);
202 $string = str_replace("\367", '&#247;', $string);
203 $string = str_replace("\370", '&#248;', $string);
204 $string = str_replace("\371", '&#249;', $string);
205 $string = str_replace("\372", '&#250;', $string);
206 $string = str_replace("\373", '&#251;', $string);
207 $string = str_replace("\374", '&#252;', $string);
208 $string = str_replace("\375", '&#253;', $string);
209 $string = str_replace("\376", '&#254;', $string);
210 $string = str_replace("\377", '&#255;', $string);
211 }
212 }
213
214 return ($string);
215}
216
217/* iso-8859-2 is used for some eastern European languages */
218function charset_decode_iso_8859_2 ($string) {
219 global $default_charset;
220
221 if (strtolower($default_charset) == 'iso-8859-2')
222 return $string;
223
224 /* Only do the slow convert if there are 8-bit characters */
225 if (! ereg("[\200-\377]", $string))
226 return $string;
227
228 /* NO-BREAK SPACE */
229 $string = str_replace("\240", '&#160;', $string);
230 /* LATIN CAPITAL LETTER A WITH OGONEK */
231 $string = str_replace("\241", '&#260;', $string);
232 /* BREVE */
233 $string = str_replace("\242", '&#728;', $string);
234 // LATIN CAPITAL LETTER L WITH STROKE
235 $string = str_replace("\243", '&#321;', $string);
236 // CURRENCY SIGN
237 $string = str_replace("\244", '&#164;', $string);
238 // LATIN CAPITAL LETTER L WITH CARON
239 $string = str_replace("\245", '&#317;', $string);
240 // LATIN CAPITAL LETTER S WITH ACUTE
241 $string = str_replace("\246", '&#346;', $string);
242 // SECTION SIGN
243 $string = str_replace("\247", '&#167;', $string);
244 // DIAERESIS
245 $string = str_replace("\250", '&#168;', $string);
246 // LATIN CAPITAL LETTER S WITH CARON
247 $string = str_replace("\251", '&#352;', $string);
248 // LATIN CAPITAL LETTER S WITH CEDILLA
249 $string = str_replace("\252", '&#350;', $string);
250 // LATIN CAPITAL LETTER T WITH CARON
251 $string = str_replace("\253", '&#356;', $string);
252 // LATIN CAPITAL LETTER Z WITH ACUTE
253 $string = str_replace("\254", '&#377;', $string);
254 // SOFT HYPHEN
255 $string = str_replace("\255", '&#173;', $string);
256 // LATIN CAPITAL LETTER Z WITH CARON
257 $string = str_replace("\256", '&#381;', $string);
258 // LATIN CAPITAL LETTER Z WITH DOT ABOVE
259 $string = str_replace("\257", '&#379;', $string);
260 // DEGREE SIGN
261 $string = str_replace("\260", '&#176;', $string);
262 // LATIN SMALL LETTER A WITH OGONEK
263 $string = str_replace("\261", '&#261;', $string);
264 // OGONEK
265 $string = str_replace("\262", '&#731;', $string);
266 // LATIN SMALL LETTER L WITH STROKE
267 $string = str_replace("\263", '&#322;', $string);
268 // ACUTE ACCENT
269 $string = str_replace("\264", '&#180;', $string);
270 // LATIN SMALL LETTER L WITH CARON
271 $string = str_replace("\265", '&#318;', $string);
272 // LATIN SMALL LETTER S WITH ACUTE
273 $string = str_replace("\266", '&#347;', $string);
274 // CARON
275 $string = str_replace("\267", '&#711;', $string);
276 // CEDILLA
277 $string = str_replace("\270", '&#184;', $string);
278 // LATIN SMALL LETTER S WITH CARON
279 $string = str_replace("\271", '&#353;', $string);
280 // LATIN SMALL LETTER S WITH CEDILLA
281 $string = str_replace("\272", '&#351;', $string);
282 // LATIN SMALL LETTER T WITH CARON
283 $string = str_replace("\273", '&#357;', $string);
284 // LATIN SMALL LETTER Z WITH ACUTE
285 $string = str_replace("\274", '&#378;', $string);
286 // DOUBLE ACUTE ACCENT
287 $string = str_replace("\275", '&#733;', $string);
288 // LATIN SMALL LETTER Z WITH CARON
289 $string = str_replace("\276", '&#382;', $string);
290 // LATIN SMALL LETTER Z WITH DOT ABOVE
291 $string = str_replace("\277", '&#380;', $string);
292 // LATIN CAPITAL LETTER R WITH ACUTE
293 $string = str_replace("\300", '&#340;', $string);
294 // LATIN CAPITAL LETTER A WITH ACUTE
295 $string = str_replace("\301", '&#193;', $string);
296 // LATIN CAPITAL LETTER A WITH CIRCUMFLEX
297 $string = str_replace("\302", '&#194;', $string);
298 // LATIN CAPITAL LETTER A WITH BREVE
299 $string = str_replace("\303", '&#258;', $string);
300 // LATIN CAPITAL LETTER A WITH DIAERESIS
301 $string = str_replace("\304", '&#196;', $string);
302 // LATIN CAPITAL LETTER L WITH ACUTE
303 $string = str_replace("\305", '&#313;', $string);
304 // LATIN CAPITAL LETTER C WITH ACUTE
305 $string = str_replace("\306", '&#262;', $string);
306 // LATIN CAPITAL LETTER C WITH CEDILLA
307 $string = str_replace("\307", '&#199;', $string);
308 // LATIN CAPITAL LETTER C WITH CARON
309 $string = str_replace("\310", '&#268;', $string);
310 // LATIN CAPITAL LETTER E WITH ACUTE
311 $string = str_replace("\311", '&#201;', $string);
312 // LATIN CAPITAL LETTER E WITH OGONEK
313 $string = str_replace("\312", '&#280;', $string);
314 // LATIN CAPITAL LETTER E WITH DIAERESIS
315 $string = str_replace("\313", '&#203;', $string);
316 // LATIN CAPITAL LETTER E WITH CARON
317 $string = str_replace("\314", '&#282;', $string);
318 // LATIN CAPITAL LETTER I WITH ACUTE
319 $string = str_replace("\315", '&#205;', $string);
320 // LATIN CAPITAL LETTER I WITH CIRCUMFLEX
321 $string = str_replace("\316", '&#206;', $string);
322 // LATIN CAPITAL LETTER D WITH CARON
323 $string = str_replace("\317", '&#270;', $string);
324 // LATIN CAPITAL LETTER D WITH STROKE
325 $string = str_replace("\320", '&#272;', $string);
326 // LATIN CAPITAL LETTER N WITH ACUTE
327 $string = str_replace("\321", '&#323;', $string);
328 // LATIN CAPITAL LETTER N WITH CARON
329 $string = str_replace("\322", '&#327;', $string);
330 // LATIN CAPITAL LETTER O WITH ACUTE
331 $string = str_replace("\323", '&#211;', $string);
332 // LATIN CAPITAL LETTER O WITH CIRCUMFLEX
333 $string = str_replace("\324", '&#212;', $string);
334 // LATIN CAPITAL LETTER O WITH DOUBLE ACUTE
335 $string = str_replace("\325", '&#336;', $string);
336 // LATIN CAPITAL LETTER O WITH DIAERESIS
337 $string = str_replace("\326", '&#214;', $string);
338 // MULTIPLICATION SIGN
339 $string = str_replace("\327", '&#215;', $string);
340 // LATIN CAPITAL LETTER R WITH CARON
341 $string = str_replace("\330", '&#344;', $string);
342 // LATIN CAPITAL LETTER U WITH RING ABOVE
343 $string = str_replace("\331", '&#366;', $string);
344 // LATIN CAPITAL LETTER U WITH ACUTE
345 $string = str_replace("\332", '&#218;', $string);
346 // LATIN CAPITAL LETTER U WITH DOUBLE ACUTE
347 $string = str_replace("\333", '&#368;', $string);
348 // LATIN CAPITAL LETTER U WITH DIAERESIS
349 $string = str_replace("\334", '&#220;', $string);
350 // LATIN CAPITAL LETTER Y WITH ACUTE
351 $string = str_replace("\335", '&#221;', $string);
352 // LATIN CAPITAL LETTER T WITH CEDILLA
353 $string = str_replace("\336", '&#354;', $string);
354 // LATIN SMALL LETTER SHARP S
355 $string = str_replace("\337", '&#223;', $string);
356 // LATIN SMALL LETTER R WITH ACUTE
357 $string = str_replace("\340", '&#341;', $string);
358 // LATIN SMALL LETTER A WITH ACUTE
359 $string = str_replace("\341", '&#225;', $string);
360 // LATIN SMALL LETTER A WITH CIRCUMFLEX
361 $string = str_replace("\342", '&#226;', $string);
362 // LATIN SMALL LETTER A WITH BREVE
363 $string = str_replace("\343", '&#259;', $string);
364 // LATIN SMALL LETTER A WITH DIAERESIS
365 $string = str_replace("\344", '&#228;', $string);
366 // LATIN SMALL LETTER L WITH ACUTE
367 $string = str_replace("\345", '&#314;', $string);
368 // LATIN SMALL LETTER C WITH ACUTE
369 $string = str_replace("\346", '&#263;', $string);
370 // LATIN SMALL LETTER C WITH CEDILLA
371 $string = str_replace("\347", '&#231;', $string);
372 // LATIN SMALL LETTER C WITH CARON
373 $string = str_replace("\350", '&#269;', $string);
374 // LATIN SMALL LETTER E WITH ACUTE
375 $string = str_replace("\351", '&#233;', $string);
376 // LATIN SMALL LETTER E WITH OGONEK
377 $string = str_replace("\352", '&#281;', $string);
378 // LATIN SMALL LETTER E WITH DIAERESIS
379 $string = str_replace("\353", '&#235;', $string);
380 // LATIN SMALL LETTER E WITH CARON
381 $string = str_replace("\354", '&#283;', $string);
382 // LATIN SMALL LETTER I WITH ACUTE
383 $string = str_replace("\355", '&#237;', $string);
384 // LATIN SMALL LETTER I WITH CIRCUMFLEX
385 $string = str_replace("\356", '&#238;', $string);
386 // LATIN SMALL LETTER D WITH CARON
387 $string = str_replace("\357", '&#271;', $string);
388 // LATIN SMALL LETTER D WITH STROKE
389 $string = str_replace("\360", '&#273;', $string);
390 // LATIN SMALL LETTER N WITH ACUTE
391 $string = str_replace("\361", '&#324;', $string);
392 // LATIN SMALL LETTER N WITH CARON
393 $string = str_replace("\362", '&#328;', $string);
394 // LATIN SMALL LETTER O WITH ACUTE
395 $string = str_replace("\363", '&#243;', $string);
396 // LATIN SMALL LETTER O WITH CIRCUMFLEX
397 $string = str_replace("\364", '&#244;', $string);
398 // LATIN SMALL LETTER O WITH DOUBLE ACUTE
399 $string = str_replace("\365", '&#337;', $string);
400 // LATIN SMALL LETTER O WITH DIAERESIS
401 $string = str_replace("\366", '&#246;', $string);
402 // DIVISION SIGN
403 $string = str_replace("\367", '&#247;', $string);
404 // LATIN SMALL LETTER R WITH CARON
405 $string = str_replace("\370", '&#345;', $string);
406 // LATIN SMALL LETTER U WITH RING ABOVE
407 $string = str_replace("\371", '&#367;', $string);
408 // LATIN SMALL LETTER U WITH ACUTE
409 $string = str_replace("\372", '&#250;', $string);
410 // LATIN SMALL LETTER U WITH DOUBLE ACUTE
411 $string = str_replace("\373", '&#369;', $string);
412 // LATIN SMALL LETTER U WITH DIAERESIS
413 $string = str_replace("\374", '&#252;', $string);
414 // LATIN SMALL LETTER Y WITH ACUTE
415 $string = str_replace("\375", '&#253;', $string);
416 // LATIN SMALL LETTER T WITH CEDILLA
417 $string = str_replace("\376", '&#355;', $string);
418 // DOT ABOVE
419 $string = str_replace("\377", '&#729;', $string);
420
421 return $string;
422}
423
424/*
425 ISO/IEC 8859-4:1998 Latin Alphabet No. 4
426*/
427
428function charset_decode_iso_8859_4 ($string) {
429 global $default_charset;
430
431 if (strtolower($default_charset) == 'iso-8859-4')
432 return $string;
433
434 /* Only do the slow convert if there are 8-bit characters */
435 if (! ereg("[\200-\377]", $string))
436 return $string;
437
438 $string = str_replace ("\241", '&#260;', $string);
439 $string = str_replace ("\242", '&#312;', $string);
440 $string = str_replace ("\243", '&#342;', $string);
441 $string = str_replace ("\245", '&#296;', $string);
442 $string = str_replace ("\246", '&#315;', $string);
443 $string = str_replace ("\251", '&#352;', $string);
444 $string = str_replace ("\252", '&#274;', $string);
445 $string = str_replace ("\253", '&#290;', $string);
446 $string = str_replace ("\254", '&#358;', $string);
447 $string = str_replace ("\256", '&#381;', $string);
448 $string = str_replace ("\261", '&#261;', $string);
449 $string = str_replace ("\262", '&#731;', $string);
450 $string = str_replace ("\263", '&#343;', $string);
451 $string = str_replace ("\265", '&#297;', $string);
452 $string = str_replace ("\266", '&#316;', $string);
453 $string = str_replace ("\267", '&#711;', $string);
454 $string = str_replace ("\271", '&#353;', $string);
455 $string = str_replace ("\272", '&#275;', $string);
456 $string = str_replace ("\273", '&#291;', $string);
457 $string = str_replace ("\274", '&#359;', $string);
458 $string = str_replace ("\275", '&#330;', $string);
459 $string = str_replace ("\276", '&#382;', $string);
460 $string = str_replace ("\277", '&#331;', $string);
461 $string = str_replace ("\300", '&#256;', $string);
462 $string = str_replace ("\307", '&#302;', $string);
463 $string = str_replace ("\310", '&#268;', $string);
464 $string = str_replace ("\312", '&#280;', $string);
465 $string = str_replace ("\314", '&#278;', $string);
466 $string = str_replace ("\317", '&#298;', $string);
467 $string = str_replace ("\320", '&#272;', $string);
468 $string = str_replace ("\321", '&#325;', $string);
469 $string = str_replace ("\322", '&#332;', $string);
470 $string = str_replace ("\323", '&#310;', $string);
471 $string = str_replace ("\331", '&#370;', $string);
472 $string = str_replace ("\335", '&#360;', $string);
473 $string = str_replace ("\336", '&#362;', $string);
474 $string = str_replace ("\340", '&#257;', $string);
475 $string = str_replace ("\347", '&#303;', $string);
476 $string = str_replace ("\350", '&#269;', $string);
477 $string = str_replace ("\352", '&#281;', $string);
478 $string = str_replace ("\354", '&#279;', $string);
479 $string = str_replace ("\357", '&#299;', $string);
480 $string = str_replace ("\360", '&#273;', $string);
481 $string = str_replace ("\361", '&#326;', $string);
482 $string = str_replace ("\362", '&#333;', $string);
483 $string = str_replace ("\363", '&#311;', $string);
484 $string = str_replace ("\371", '&#371;', $string);
485 $string = str_replace ("\375", '&#361;', $string);
486 $string = str_replace ("\376", '&#363;', $string);
487 $string = str_replace ("\377", '&#729;', $string);
488
489 // rest of charset is the same as ISO-8859-1
490 return (charset_decode_iso_8859_1($string));
491}
492
493/* iso-8859-7 is Greek. */
494function charset_decode_iso_8859_7 ($string) {
495 global $default_charset;
496
497 if (strtolower($default_charset) == 'iso-8859-7') {
498 return $string;
499 }
500
501 /* Only do the slow convert if there are 8-bit characters */
502 if (!ereg("[\200-\377]", $string)) {
503 return $string;
504 }
505
506 /* Some diverse characters in the beginning */
507 $string = str_replace("\240", '&#160;', $string);
508 $string = str_replace("\241", '&#8216;', $string);
509 $string = str_replace("\242", '&#8217;', $string);
510 $string = str_replace("\243", '&#163;', $string);
511 $string = str_replace("\246", '&#166;', $string);
512 $string = str_replace("\247", '&#167;', $string);
513 $string = str_replace("\250", '&#168;', $string);
514 $string = str_replace("\251", '&#169;', $string);
515 $string = str_replace("\253", '&#171;', $string);
516 $string = str_replace("\254", '&#172;', $string);
517 $string = str_replace("\255", '&#173;', $string);
518 $string = str_replace("\257", '&#8213;', $string);
519 $string = str_replace("\260", '&#176;', $string);
520 $string = str_replace("\261", '&#177;', $string);
521 $string = str_replace("\262", '&#178;', $string);
522 $string = str_replace("\263", '&#179;', $string);
523
524 /* Horizontal bar (parentheki pavla) */
525 $string = str_replace ("\257", '&#8213;', $string);
526
527 /*
528 * ISO-8859-7 characters from 11/04 (0xB4) to 11/06 (0xB6)
529 * These are Unicode 900-902
530 */
531 $string = preg_replace("/([\264-\266])/e","'&#' . (ord('\\1')+720);",$string);
532
533 /* 11/07 (0xB7) Middle dot is the same in iso-8859-1 */
534 $string = str_replace("\267", '&#183;', $string);
535
536 /*
537 * ISO-8859-7 characters from 11/08 (0xB8) to 11/10 (0xBA)
538 * These are Unicode 900-902
539 */
540 $string = preg_replace("/([\270-\272])/e","'&#' . (ord('\\1')+720);",$string);
541
542 /*
543 * 11/11 (0xBB) Right angle quotation mark is the same as in
544 * iso-8859-1
545 */
546 $string = str_replace("\273", '&#187;', $string);
547
548 /* And now the rest of the charset */
549 $string = preg_replace("/([\274-\376])/e","'&#'.(ord('\\1')+720);",$string);
550
551 return $string;
552}
553
554/*
555 ISOIEC 8859-9:1999 Latin Alphabet No. 5
556*/
557function charset_decode_iso_8859_9 ($string) {
558 global $default_charset;
559
560 if (strtolower($default_charset) == 'iso-8859-9')
561 return $string;
562
563 /* Only do the slow convert if there are 8-bit characters */
564 if (! ereg("[\200-\377]", $string))
565 return $string;
566
567 // latin capital letter g with breve 208->286
568 $string = str_replace("\320", '&#286;', $string);
569 // latin capital letter i with dot above 221->304
570 $string = str_replace("\335", '&#304;', $string);
571 // latin capital letter s with cedilla 222->350
572 $string = str_replace("\336", '&#350;', $string);
573 // latin small letter g with breve 240->287
574 $string = str_replace("\360", '&#287;', $string);
575 // latin small letter dotless i 253->305
576 $string = str_replace("\375", '&#305;', $string);
577 // latin small letter s with cedilla 254->351
578 $string = str_replace("\376", '&#351;', $string);
579
580 // rest of charset is the same as ISO-8859-1
581 return (charset_decode_iso_8859_1($string));
582}
583
584
585/*
586 ISO/IEC 8859-13:1998 Latin Alphabet No. 7 (Baltic Rim)
587*/
588function charset_decode_iso_8859_13 ($string) {
589 global $default_charset;
590
591 if (strtolower($default_charset) == 'iso-8859-13')
592 return $string;
593
594 /* Only do the slow convert if there are 8-bit characters */
595 if (! ereg("[\200-\377]", $string))
596 return $string;
597
598 $string = str_replace ("\241", '&#8221;', $string);
599 $string = str_replace ("\245", '&#8222;', $string);
600 $string = str_replace ("\250", '&#216;', $string);
601 $string = str_replace ("\252", '&#342;', $string);
602 $string = str_replace ("\257", '&#198;', $string);
603 $string = str_replace ("\264", '&#8220;', $string);
604 $string = str_replace ("\270", '&#248;', $string);
605 $string = str_replace ("\272", '&#343;', $string);
606 $string = str_replace ("\277", '&#230;', $string);
607 $string = str_replace ("\300", '&#260;', $string);
608 $string = str_replace ("\301", '&#302;', $string);
609 $string = str_replace ("\302", '&#256;', $string);
610 $string = str_replace ("\303", '&#262;', $string);
611 $string = str_replace ("\306", '&#280;', $string);
612 $string = str_replace ("\307", '&#274;', $string);
613 $string = str_replace ("\310", '&#268;', $string);
614 $string = str_replace ("\312", '&#377;', $string);
615 $string = str_replace ("\313", '&#278;', $string);
616 $string = str_replace ("\314", '&#290;', $string);
617 $string = str_replace ("\315", '&#310;', $string);
618 $string = str_replace ("\316", '&#298;', $string);
619 $string = str_replace ("\317", '&#315;', $string);
620 $string = str_replace ("\320", '&#352;', $string);
621 $string = str_replace ("\321", '&#323;', $string);
622 $string = str_replace ("\322", '&#325;', $string);
623 $string = str_replace ("\324", '&#332;', $string);
624 $string = str_replace ("\330", '&#370;', $string);
625 $string = str_replace ("\331", '&#321;', $string);
626 $string = str_replace ("\332", '&#346;', $string);
627 $string = str_replace ("\333", '&#362;', $string);
628 $string = str_replace ("\335", '&#379;', $string);
629 $string = str_replace ("\336", '&#381;', $string);
630 $string = str_replace ("\340", '&#261;', $string);
631 $string = str_replace ("\341", '&#303;', $string);
632 $string = str_replace ("\342", '&#257;', $string);
633 $string = str_replace ("\343", '&#263;', $string);
634 $string = str_replace ("\346", '&#281;', $string);
635 $string = str_replace ("\347", '&#275;', $string);
636 $string = str_replace ("\350", '&#269;', $string);
637 $string = str_replace ("\352", '&#378;', $string);
638 $string = str_replace ("\353", '&#279;', $string);
639 $string = str_replace ("\354", '&#291;', $string);
640 $string = str_replace ("\355", '&#311;', $string);
641 $string = str_replace ("\356", '&#299;', $string);
642 $string = str_replace ("\357", '&#316;', $string);
643 $string = str_replace ("\360", '&#353;', $string);
644 $string = str_replace ("\361", '&#324;', $string);
645 $string = str_replace ("\362", '&#326;', $string);
646 $string = str_replace ("\364", '&#333;', $string);
647 $string = str_replace ("\370", '&#371;', $string);
648 $string = str_replace ("\371", '&#322;', $string);
649 $string = str_replace ("\372", '&#347;', $string);
650 $string = str_replace ("\373", '&#363;', $string);
651 $string = str_replace ("\375", '&#380;', $string);
652 $string = str_replace ("\376", '&#382;', $string);
653 $string = str_replace ("\377", '&#8217;', $string);
654
655 // rest of charset is the same as ISO-8859-1
656 return (charset_decode_iso_8859_1($string));
657}
658
659/*
660 * iso-8859-15 is Latin 9 and has very much the same use as Latin 1
661 * but has the Euro symbol and some characters needed for French.
662 */
663function charset_decode_iso_8859_15 ($string) {
664 // Euro sign
665 $string = str_replace ("\244", '&#8364;', $string);
666 // Latin capital letter S with caron
667 $string = str_replace ("\246", '&#352;', $string);
668 // Latin small letter s with caron
669 $string = str_replace ("\250", '&#353;', $string);
670 // Latin capital letter Z with caron
671 $string = str_replace ("\264", '&#381;', $string);
672 // Latin small letter z with caron
673 $string = str_replace ("\270", '&#382;', $string);
674 // Latin capital ligature OE
675 $string = str_replace ("\274", '&#338;', $string);
676 // Latin small ligature oe
677 $string = str_replace ("\275", '&#339;', $string);
678 // Latin capital letter Y with diaeresis
679 $string = str_replace ("\276", '&#376;', $string);
680
681 return (charset_decode_iso_8859_1($string));
682}
683
684/* ISO-8859-5 is Cyrillic */
685function charset_decode_iso_8859_5 ($string) {
686 // Convert to KOI8-R, then return this decoded.
687 $string = convert_cyr_string($string, 'i', 'k');
688 return charset_decode_koi8r($string);
689}
690
691/* Remove all 8 bit characters from all other ISO-8859 character sets */
692function charset_decode_iso_8859_default ($string) {
693 return (strtr($string, "\240\241\242\243\244\245\246\247".
694 "\250\251\252\253\254\255\256\257".
695 "\260\261\262\263\264\265\266\267".
696 "\270\271\272\273\274\275\276\277".
697 "\300\301\302\303\304\305\306\307".
698 "\310\311\312\313\314\315\316\317".
699 "\320\321\322\323\324\325\326\327".
700 "\330\331\332\333\334\335\336\337".
701 "\340\341\342\343\344\345\346\347".
702 "\350\351\352\353\354\355\356\357".
703 "\360\361\362\363\364\365\366\367".
704 "\370\371\372\373\374\375\376\377",
705 "????????????????????????????????????????".
706 "????????????????????????????????????????".
707 "????????????????????????????????????????".
708 "????????"));
709
710}
711
712/*
713 * This is the same as ISO-646-NO and is used by some
714 * Microsoft programs when sending Norwegian characters
715 */
716function charset_decode_ns_4551_1 ($string) {
717 /*
718 * These characters are:
719 * Latin capital letter AE
720 * Latin capital letter O with stroke
721 * Latin capital letter A with ring above
722 * and the same as small letters
723 */
724