xref: /dokuwiki/inc/utf8.php (revision dc57ef04af4d12bb589c98e7457a22c44a091815)
1<?php
2/**
3 * UTF8 helper functions
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     Andreas Gohr <andi@splitbrain.org>
7 */
8
9/**
10 * URL-Encode a filename to allow unicodecharacters
11 *
12 * Slashes are not encoded
13 *
14 * When the second parameter is true the string will
15 * be encoded only if non ASCII characters are detected -
16 * This makes it safe to run it multiple times on the
17 * same string (default is true)
18 *
19 * @author Andreas Gohr <andi@splitbrain.org>
20 * @see    urlencode
21 */
22function utf8_encodeFN($file,$safe=true){
23  if($safe && preg_match('#^[a-zA-Z0-9/_\-.%]+$#',$file)){
24    return $file;
25  }
26  $file = urlencode($file);
27  $file = str_replace('%2F','/',$file);
28  return $file;
29}
30
31/**
32 * URL-Decode a filename
33 *
34 * This is just a wrapper around urldecode
35 *
36 * @author Andreas Gohr <andi@splitbrain.org>
37 * @see    urldecode
38 */
39function utf8_decodeFN($file){
40  $file = urldecode($file);
41  return $file;
42}
43
44/**
45 * Checks if a string contains 7bit ASCII only
46 *
47 * @author Andreas Gohr <andi@splitbrain.org>
48 */
49function utf8_isASCII($str){
50  for($i=0; $i<strlen($str); $i++){
51    if(ord($str{$i}) >127) return false;
52  }
53  return true;
54}
55
56/**
57 * Strips all highbyte chars
58 *
59 * Returns a pure ASCII7 string
60 *
61 * @author Andreas Gohr <andi@splitbrain.org>
62 */
63function utf8_strip($str){
64  $ascii = '';
65  for($i=0; $i<strlen($str); $i++){
66    if(ord($str{$i}) <128){
67      $ascii .= $str{$i};
68    }
69  }
70  return $ascii;
71}
72
73/**
74 * Tries to detect if a string is in Unicode encoding
75 *
76 * @author <bmorel@ssi.fr>
77 * @link   http://www.php.net/manual/en/function.utf8-encode.php
78 */
79function utf8_check($Str) {
80 for ($i=0; $i<strlen($Str); $i++) {
81  if (ord($Str[$i]) < 0x80) continue; # 0bbbbbbb
82  elseif ((ord($Str[$i]) & 0xE0) == 0xC0) $n=1; # 110bbbbb
83  elseif ((ord($Str[$i]) & 0xF0) == 0xE0) $n=2; # 1110bbbb
84  elseif ((ord($Str[$i]) & 0xF8) == 0xF0) $n=3; # 11110bbb
85  elseif ((ord($Str[$i]) & 0xFC) == 0xF8) $n=4; # 111110bb
86  elseif ((ord($Str[$i]) & 0xFE) == 0xFC) $n=5; # 1111110b
87  else return false; # Does not match any model
88  for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ?
89   if ((++$i == strlen($Str)) || ((ord($Str[$i]) & 0xC0) != 0x80))
90   return false;
91  }
92 }
93 return true;
94}
95
96/**
97 * Unicode aware replacement for strlen()
98 *
99 * utf8_decode() converts characters that are not in ISO-8859-1
100 * to '?', which, for the purpose of counting, is alright - It's
101 * even faster than mb_strlen.
102 *
103 * @author <chernyshevsky at hotmail dot com>
104 * @see    strlen()
105 * @see    utf8_decode()
106 */
107function utf8_strlen($string){
108  return strlen(utf8_decode($string));
109}
110
111/**
112 * Unicode aware replacement for substr()
113 *
114 * @author lmak at NOSPAM dot iti dot gr
115 * @link   http://www.php.net/manual/en/function.substr.php
116 * @see    substr()
117 */
118function utf8_substr($str,$start,$length=null){
119   preg_match_all("/./u", $str, $ar);
120
121   if($length != null) {
122       return join("",array_slice($ar[0],$start,$length));
123   } else {
124       return join("",array_slice($ar[0],$start));
125   }
126}
127
128/**
129 * Unicode aware replacement for substr_replace()
130 *
131 * @author Andreas Gohr <andi@splitbrain.org>
132 * @see    substr_replace()
133 */
134function utf8_substr_replace($string, $replacement, $start , $length=0 ){
135  $ret = '';
136  if($start>0) $ret .= utf8_substr($string, 0, $start);
137  $ret .= $replacement;
138  $ret .= utf8_substr($string, $start+$length);
139  return $ret;
140}
141
142/**
143 * Unicode aware replacement for explode
144 *
145 * @TODO   support third limit arg
146 * @author Harry Fuecks <hfuecks@gmail.com>
147 * @see    explode();
148 */
149function utf8_explode($sep, $str) {
150  if ( $sep == '' ) {
151    trigger_error('Empty delimiter',E_USER_WARNING);
152    return FALSE;
153  }
154
155  return preg_split('!'.preg_quote($sep,'!').'!u',$str);
156}
157
158/**
159 * Unicode aware replacement for strrepalce()
160 *
161 * @todo   support PHP5 count (fourth arg)
162 * @author Harry Fuecks <hfuecks@gmail.com>
163 * @see    strreplace();
164 */
165function utf8_str_replace($s,$r,$str){
166  if(!is_array($s)){
167    $s = '!'.preg_quote($s,'!').'!u';
168  }else{
169    foreach ($s as $k => $v) {
170      $s[$k] = '!'.preg_quote($v).'!u';
171    }
172  }
173  return preg_replace($s,$r,$str);
174}
175
176/**
177 * Unicode aware replacement for ltrim()
178 *
179 * @author Andreas Gohr <andi@splitbrain.org>
180 * @see    ltrim()
181 * @return string
182 */
183function utf8_ltrim($str,$charlist=''){
184  if($charlist == '') return ltrim($str);
185
186  //quote charlist for use in a characterclass
187  $charlist = preg_replace('!([\\\\\\-\\]\\[/])!','\\\${1}',$charlist);
188
189  return preg_replace('/^['.$charlist.']+/u','',$str);
190}
191
192/**
193 * Unicode aware replacement for ltrim()
194 *
195 * @author Andreas Gohr <andi@splitbrain.org>
196 * @see    rtrim()
197 * @return string
198 */
199function  utf8_rtrim($str,$charlist=''){
200  if($charlist == '') return rtrim($str);
201
202  //quote charlist for use in a characterclass
203  $charlist = preg_replace('!([\\\\\\-\\]\\[/])!','\\\${1}',$charlist);
204
205  return preg_replace('/['.$charlist.']+$/u','',$str);
206}
207
208/**
209 * Unicode aware replacement for trim()
210 *
211 * @author Andreas Gohr <andi@splitbrain.org>
212 * @see    trim()
213 * @return string
214 */
215function  utf8_trim($str,$charlist='') {
216  if($charlist == '') return trim($str);
217
218  return utf8_ltrim(utf8_rtrim($str));
219}
220
221
222/**
223 * This is a unicode aware replacement for strtolower()
224 *
225 * Uses mb_string extension if available
226 *
227 * @author Andreas Gohr <andi@splitbrain.org>
228 * @see    strtolower()
229 * @see    utf8_strtoupper()
230 */
231function utf8_strtolower($string){
232  if(!defined('UTF8_NOMBSTRING') && function_exists('mb_strtolower'))
233    return mb_strtolower($string,'utf-8');
234
235  global $UTF8_UPPER_TO_LOWER;
236  $uni = utf8_to_unicode($string);
237  $cnt = count($uni);
238  for ($i=0; $i < $cnt; $i++){
239    if($UTF8_UPPER_TO_LOWER[$uni[$i]]){
240      $uni[$i] = $UTF8_UPPER_TO_LOWER[$uni[$i]];
241    }
242  }
243  return unicode_to_utf8($uni);
244}
245
246/**
247 * This is a unicode aware replacement for strtoupper()
248 *
249 * Uses mb_string extension if available
250 *
251 * @author Andreas Gohr <andi@splitbrain.org>
252 * @see    strtoupper()
253 * @see    utf8_strtoupper()
254 */
255function utf8_strtoupper($string){
256  if(!defined('UTF8_NOMBSTRING') && function_exists('mb_strtolower'))
257    return mb_strtolower($string,'utf-8');
258
259  global $UTF8_LOWER_TO_UPPER;
260  $uni = utf8_to_unicode($string);
261  $cnt = count($uni);
262  for ($i=0; $i < $cnt; $i++){
263    if($UTF8_LOWER_TO_UPPER[$uni[$i]]){
264      $uni[$i] = $UTF8_LOWER_TO_UPPER[$uni[$i]];
265    }
266  }
267  return unicode_to_utf8($uni);
268}
269
270/**
271 * Replace accented UTF-8 characters by unaccented ASCII-7 equivalents
272 *
273 * Use the optional parameter to just deaccent lower ($case = -1) or upper ($case = 1)
274 * letters. Default is to deaccent both cases ($case = 0)
275 *
276 * @author Andreas Gohr <andi@splitbrain.org>
277 */
278function utf8_deaccent($string,$case=0){
279  if($case <= 0){
280    global $UTF8_LOWER_ACCENTS;
281    $string = str_replace(array_keys($UTF8_LOWER_ACCENTS),array_values($UTF8_LOWER_ACCENTS),$string);
282  }
283  if($case >= 0){
284    global $UTF8_UPPER_ACCENTS;
285    $string = str_replace(array_keys($UTF8_UPPER_ACCENTS),array_values($UTF8_UPPER_ACCENTS),$string);
286  }
287  return $string;
288}
289
290/**
291 * Removes special characters (nonalphanumeric) from a UTF-8 string
292 *
293 * This function adds the controlchars 0x00 to 0x19 to the array of
294 * stripped chars (they are not included in $UTF8_SPECIAL_CHARS)
295 *
296 * @author Andreas Gohr <andi@splitbrain.org>
297 * @param  string $string The UTF8 string to strip of special chars
298 * @param  string $repl   Replace special with this string
299 */
300function utf8_stripspecials($string,$repl=''){
301  global $UTF8_SPECIAL_CHARS;
302
303  static $specials = null;
304  if(is_null($specials)){
305    $specials = preg_quote(unicode_to_utf8($UTF8_SPECIAL_CHARS), '/');
306  }
307
308  return preg_replace('/[\x00-\x19'.$specials.']/u',$repl,$string);
309}
310
311/**
312 * This is an Unicode aware replacement for strpos
313 *
314 * Uses mb_string extension if available
315 *
316 * @author Harry Fuecks <hfuecks@gmail.com>
317 * @see    strpos()
318 */
319function utf8_strpos($haystack, $needle,$offset=0) {
320  if(!defined('UTF8_NOMBSTRING') && function_exists('mb_strpos'))
321    return mb_strpos($haystack,$needle,$offset,'utf-8');
322
323  if(!$offset){
324    $ar = utf8_explode($needle, $str);
325    if ( count($ar) > 1 ) {
326       return utf8_strlen($ar[0]);
327    }
328    return false;
329  }else{
330    if ( !is_int($offset) ) {
331      trigger_error('Offset must be an integer',E_USER_WARNING);
332      return false;
333    }
334
335    $str = utf8_substr($str, $offset);
336
337    if ( false !== ($pos = utf8_strpos($str,$needle))){
338       return $pos + $offset;
339    }
340    return false;
341  }
342}
343
344/**
345 * This function returns any UTF-8 encoded text as a list of
346 * Unicode values:
347 *
348 * @author Scott Michael Reynen <scott@randomchaos.com>
349 * @link   http://www.randomchaos.com/document.php?source=php_and_unicode
350 * @see    unicode_to_utf8()
351 */
352function utf8_to_unicode( $str ) {
353  $unicode = array();
354  $values = array();
355  $lookingFor = 1;
356
357  for ($i = 0; $i < strlen( $str ); $i++ ) {
358    $thisValue = ord( $str[ $i ] );
359    if ( $thisValue < 128 ) $unicode[] = $thisValue;
360    else {
361      if ( count( $values ) == 0 ) $lookingFor = ( $thisValue < 224 ) ? 2 : 3;
362      $values[] = $thisValue;
363      if ( count( $values ) == $lookingFor ) {
364  $number = ( $lookingFor == 3 ) ?
365    ( ( $values[0] % 16 ) * 4096 ) + ( ( $values[1] % 64 ) * 64 ) + ( $values[2] % 64 ):
366  	( ( $values[0] % 32 ) * 64 ) + ( $values[1] % 64 );
367  $unicode[] = $number;
368  $values = array();
369  $lookingFor = 1;
370      }
371    }
372  }
373  return $unicode;
374}
375
376/**
377 * This function converts a Unicode array back to its UTF-8 representation
378 *
379 * @author Scott Michael Reynen <scott@randomchaos.com>
380 * @link   http://www.randomchaos.com/document.php?source=php_and_unicode
381 * @see    utf8_to_unicode()
382 */
383function unicode_to_utf8( $str ) {
384  $utf8 = '';
385  foreach( $str as $unicode ) {
386    if ( $unicode < 128 ) {
387      $utf8.= chr( $unicode );
388    } elseif ( $unicode < 2048 ) {
389      $utf8.= chr( 192 +  ( ( $unicode - ( $unicode % 64 ) ) / 64 ) );
390      $utf8.= chr( 128 + ( $unicode % 64 ) );
391    } else {
392      $utf8.= chr( 224 + ( ( $unicode - ( $unicode % 4096 ) ) / 4096 ) );
393      $utf8.= chr( 128 + ( ( ( $unicode % 4096 ) - ( $unicode % 64 ) ) / 64 ) );
394      $utf8.= chr( 128 + ( $unicode % 64 ) );
395    }
396  }
397  return $utf8;
398}
399
400/**
401 * UTF-8 Case lookup table
402 *
403 * This lookuptable defines the upper case letters to their correspponding
404 * lower case letter in UTF-8
405 *
406 * @author Andreas Gohr <andi@splitbrain.org>
407 */
408$UTF8_LOWER_TO_UPPER = array(
409  0x0061=>0x0041, 0x03C6=>0x03A6, 0x0163=>0x0162, 0x00E5=>0x00C5, 0x0062=>0x0042,
410  0x013A=>0x0139, 0x00E1=>0x00C1, 0x0142=>0x0141, 0x03CD=>0x038E, 0x0101=>0x0100,
411  0x0491=>0x0490, 0x03B4=>0x0394, 0x015B=>0x015A, 0x0064=>0x0044, 0x03B3=>0x0393,
412  0x00F4=>0x00D4, 0x044A=>0x042A, 0x0439=>0x0419, 0x0113=>0x0112, 0x043C=>0x041C,
413  0x015F=>0x015E, 0x0144=>0x0143, 0x00EE=>0x00CE, 0x045E=>0x040E, 0x044F=>0x042F,
414  0x03BA=>0x039A, 0x0155=>0x0154, 0x0069=>0x0049, 0x0073=>0x0053, 0x1E1F=>0x1E1E,
415  0x0135=>0x0134, 0x0447=>0x0427, 0x03C0=>0x03A0, 0x0438=>0x0418, 0x00F3=>0x00D3,
416  0x0440=>0x0420, 0x0454=>0x0404, 0x0435=>0x0415, 0x0449=>0x0429, 0x014B=>0x014A,
417  0x0431=>0x0411, 0x0459=>0x0409, 0x1E03=>0x1E02, 0x00F6=>0x00D6, 0x00F9=>0x00D9,
418  0x006E=>0x004E, 0x0451=>0x0401, 0x03C4=>0x03A4, 0x0443=>0x0423, 0x015D=>0x015C,
419  0x0453=>0x0403, 0x03C8=>0x03A8, 0x0159=>0x0158, 0x0067=>0x0047, 0x00E4=>0x00C4,
420  0x03AC=>0x0386, 0x03AE=>0x0389, 0x0167=>0x0166, 0x03BE=>0x039E, 0x0165=>0x0164,
421  0x0117=>0x0116, 0x0109=>0x0108, 0x0076=>0x0056, 0x00FE=>0x00DE, 0x0157=>0x0156,
422  0x00FA=>0x00DA, 0x1E61=>0x1E60, 0x1E83=>0x1E82, 0x00E2=>0x00C2, 0x0119=>0x0118,
423  0x0146=>0x0145, 0x0070=>0x0050, 0x0151=>0x0150, 0x044E=>0x042E, 0x0129=>0x0128,
424  0x03C7=>0x03A7, 0x013E=>0x013D, 0x0442=>0x0422, 0x007A=>0x005A, 0x0448=>0x0428,
425  0x03C1=>0x03A1, 0x1E81=>0x1E80, 0x016D=>0x016C, 0x00F5=>0x00D5, 0x0075=>0x0055,
426  0x0177=>0x0176, 0x00FC=>0x00DC, 0x1E57=>0x1E56, 0x03C3=>0x03A3, 0x043A=>0x041A,
427  0x006D=>0x004D, 0x016B=>0x016A, 0x0171=>0x0170, 0x0444=>0x0424, 0x00EC=>0x00CC,
428  0x0169=>0x0168, 0x03BF=>0x039F, 0x006B=>0x004B, 0x00F2=>0x00D2, 0x00E0=>0x00C0,
429  0x0434=>0x0414, 0x03C9=>0x03A9, 0x1E6B=>0x1E6A, 0x00E3=>0x00C3, 0x044D=>0x042D,
430  0x0436=>0x0416, 0x01A1=>0x01A0, 0x010D=>0x010C, 0x011D=>0x011C, 0x00F0=>0x00D0,
431  0x013C=>0x013B, 0x045F=>0x040F, 0x045A=>0x040A, 0x00E8=>0x00C8, 0x03C5=>0x03A5,
432  0x0066=>0x0046, 0x00FD=>0x00DD, 0x0063=>0x0043, 0x021B=>0x021A, 0x00EA=>0x00CA,
433  0x03B9=>0x0399, 0x017A=>0x0179, 0x00EF=>0x00CF, 0x01B0=>0x01AF, 0x0065=>0x0045,
434  0x03BB=>0x039B, 0x03B8=>0x0398, 0x03BC=>0x039C, 0x045C=>0x040C, 0x043F=>0x041F,
435  0x044C=>0x042C, 0x00FE=>0x00DE, 0x00F0=>0x00D0, 0x1EF3=>0x1EF2, 0x0068=>0x0048,
436  0x00EB=>0x00CB, 0x0111=>0x0110, 0x0433=>0x0413, 0x012F=>0x012E, 0x00E6=>0x00C6,
437  0x0078=>0x0058, 0x0161=>0x0160, 0x016F=>0x016E, 0x03B1=>0x0391, 0x0457=>0x0407,
438  0x0173=>0x0172, 0x00FF=>0x0178, 0x006F=>0x004F, 0x043B=>0x041B, 0x03B5=>0x0395,
439  0x0445=>0x0425, 0x0121=>0x0120, 0x017E=>0x017D, 0x017C=>0x017B, 0x03B6=>0x0396,
440  0x03B2=>0x0392, 0x03AD=>0x0388, 0x1E85=>0x1E84, 0x0175=>0x0174, 0x0071=>0x0051,
441  0x0437=>0x0417, 0x1E0B=>0x1E0A, 0x0148=>0x0147, 0x0105=>0x0104, 0x0458=>0x0408,
442  0x014D=>0x014C, 0x00ED=>0x00CD, 0x0079=>0x0059, 0x010B=>0x010A, 0x03CE=>0x038F,
443  0x0072=>0x0052, 0x0430=>0x0410, 0x0455=>0x0405, 0x0452=>0x0402, 0x0127=>0x0126,
444  0x0137=>0x0136, 0x012B=>0x012A, 0x03AF=>0x038A, 0x044B=>0x042B, 0x006C=>0x004C,
445  0x03B7=>0x0397, 0x0125=>0x0124, 0x0219=>0x0218, 0x00FB=>0x00DB, 0x011F=>0x011E,
446  0x043E=>0x041E, 0x1E41=>0x1E40, 0x03BD=>0x039D, 0x0107=>0x0106, 0x03CB=>0x03AB,
447  0x0446=>0x0426, 0x00FE=>0x00DE, 0x00E7=>0x00C7, 0x03CA=>0x03AA, 0x0441=>0x0421,
448  0x0432=>0x0412, 0x010F=>0x010E, 0x00F8=>0x00D8, 0x0077=>0x0057, 0x011B=>0x011A,
449  0x0074=>0x0054, 0x006A=>0x004A, 0x045B=>0x040B, 0x0456=>0x0406, 0x0103=>0x0102,
450  0x03BB=>0x039B, 0x00F1=>0x00D1, 0x043D=>0x041D, 0x03CC=>0x038C, 0x00E9=>0x00C9,
451  0x00F0=>0x00D0, 0x0457=>0x0407, 0x0123=>0x0122,
452);
453
454/**
455 * UTF-8 Case lookup table
456 *
457 * This lookuptable defines the lower case letters to their correspponding
458 * upper case letter in UTF-8 (it does so by flipping $UTF8_LOWER_TO_UPPER)
459 *
460 * @author Andreas Gohr <andi@splitbrain.org>
461 */
462$UTF8_UPPER_TO_LOWER = @array_flip($UTF8_LOWER_TO_UPPER);
463
464/**
465 * UTF-8 lookup table for lower case accented letters
466 *
467 * This lookuptable defines replacements for accented characters from the ASCII-7
468 * range. This are lower case letters only.
469 *
470 * @author Andreas Gohr <andi@splitbrain.org>
471 * @see    utf8_deaccent()
472 */
473$UTF8_LOWER_ACCENTS = array(
474  'à' => 'a', 'ô' => 'o', 'ď' => 'd', 'ḟ' => 'f', 'ë' => 'e', 'š' => 's', 'ơ' => 'o',
475  'ß' => 'ss', 'ă' => 'a', 'ř' => 'r', 'ț' => 't', 'ň' => 'n', 'ā' => 'a', 'ķ' => 'k',
476  'ŝ' => 's', 'ỳ' => 'y', 'ņ' => 'n', 'ĺ' => 'l', 'ħ' => 'h', 'ṗ' => 'p', 'ó' => 'o',
477  'ú' => 'u', 'ě' => 'e', 'é' => 'e', 'ç' => 'c', 'ẁ' => 'w', 'ċ' => 'c', 'õ' => 'o',
478  'ṡ' => 's', 'ø' => 'o', 'ģ' => 'g', 'ŧ' => 't', 'ș' => 's', 'ė' => 'e', 'ĉ' => 'c',
479  'ś' => 's', 'î' => 'i', 'ű' => 'u', 'ć' => 'c', 'ę' => 'e', 'ŵ' => 'w', 'ṫ' => 't',
480  'ū' => 'u', 'č' => 'c', 'ö' => 'oe', 'è' => 'e', 'ŷ' => 'y', 'ą' => 'a', 'ł' => 'l',
481  'ų' => 'u', 'ů' => 'u', 'ş' => 's', 'ğ' => 'g', 'ļ' => 'l', 'ƒ' => 'f', 'ž' => 'z',
482  'ẃ' => 'w', 'ḃ' => 'b', 'å' => 'a', 'ì' => 'i', 'ï' => 'i', 'ḋ' => 'd', 'ť' => 't',
483  'ŗ' => 'r', 'ä' => 'ae', 'í' => 'i', 'ŕ' => 'r', 'ê' => 'e', 'ü' => 'ue', 'ò' => 'o',
484  'ē' => 'e', 'ñ' => 'n', 'ń' => 'n', 'ĥ' => 'h', 'ĝ' => 'g', 'đ' => 'd', 'ĵ' => 'j',
485  'ÿ' => 'y', 'ũ' => 'u', 'ŭ' => 'u', 'ư' => 'u', 'ţ' => 't', 'ý' => 'y', 'ő' => 'o',
486  'â' => 'a', 'ľ' => 'l', 'ẅ' => 'w', 'ż' => 'z', 'ī' => 'i', 'ã' => 'a', 'ġ' => 'g',
487  'ṁ' => 'm', 'ō' => 'o', 'ĩ' => 'i', 'ù' => 'u', 'į' => 'i', 'ź' => 'z', 'á' => 'a',
488  'û' => 'u', 'þ' => 'th', 'ð' => 'dh', 'æ' => 'ae', 'µ' => 'u',
489);
490
491/**
492 * UTF-8 lookup table for upper case accented letters
493 *
494 * This lookuptable defines replacements for accented characters from the ASCII-7
495 * range. This are upper case letters only.
496 *
497 * @author Andreas Gohr <andi@splitbrain.org>
498 * @see    utf8_deaccent()
499 */
500$UTF8_UPPER_ACCENTS = array(
501  'à' => 'A', 'ô' => 'O', 'ď' => 'D', 'ḟ' => 'F', 'ë' => 'E', 'š' => 'S', 'ơ' => 'O',
502  'ß' => 'Ss', 'ă' => 'A', 'ř' => 'R', 'ț' => 'T', 'ň' => 'N', 'ā' => 'A', 'ķ' => 'K',
503  'ŝ' => 'S', 'ỳ' => 'Y', 'ņ' => 'N', 'ĺ' => 'L', 'ħ' => 'H', 'ṗ' => 'P', 'ó' => 'O',
504  'ú' => 'U', 'ě' => 'E', 'é' => 'E', 'ç' => 'C', 'ẁ' => 'W', 'ċ' => 'C', 'õ' => 'O',
505  'ṡ' => 'S', 'ø' => 'O', 'ģ' => 'G', 'ŧ' => 'T', 'ș' => 'S', 'ė' => 'E', 'ĉ' => 'C',
506  'ś' => 'S', 'î' => 'I', 'ű' => 'U', 'ć' => 'C', 'ę' => 'E', 'ŵ' => 'W', 'ṫ' => 'T',
507  'ū' => 'U', 'č' => 'C', 'ö' => 'Oe', 'è' => 'E', 'ŷ' => 'Y', 'ą' => 'A', 'ł' => 'L',
508  'ų' => 'U', 'ů' => 'U', 'ş' => 'S', 'ğ' => 'G', 'ļ' => 'L', 'ƒ' => 'F', 'ž' => 'Z',
509  'ẃ' => 'W', 'ḃ' => 'B', 'å' => 'A', 'ì' => 'I', 'ï' => 'I', 'ḋ' => 'D', 'ť' => 'T',
510  'ŗ' => 'R', 'ä' => 'Ae', 'í' => 'I', 'ŕ' => 'R', 'ê' => 'E', 'ü' => 'Ue', 'ò' => 'O',
511  'ē' => 'E', 'ñ' => 'N', 'ń' => 'N', 'ĥ' => 'H', 'ĝ' => 'G', 'đ' => 'D', 'ĵ' => 'J',
512  'ÿ' => 'Y', 'ũ' => 'U', 'ŭ' => 'U', 'ư' => 'U', 'ţ' => 'T', 'ý' => 'Y', 'ő' => 'O',
513  'â' => 'A', 'ľ' => 'L', 'ẅ' => 'W', 'ż' => 'Z', 'ī' => 'I', 'ã' => 'A', 'ġ' => 'G',
514  'ṁ' => 'M', 'ō' => 'O', 'ĩ' => 'I', 'ù' => 'U', 'į' => 'I', 'ź' => 'Z', 'á' => 'A',
515  'û' => 'U', 'Þ' => 'Th', 'Ð' => 'Dh', 'Æ' => 'Ae',
516);
517
518/**
519 * UTF-8 array of common special characters
520 *
521 * This array should contain all special characters (not a letter or digit)
522 * defined in the various local charsets - it's not a complete list of non-alphanum
523 * characters in UTF-8. It's not perfect but should match most cases of special
524 * chars.
525 *
526 * The controlchars 0x00 to 0x19 are _not_ included in this array. The space 0x20 is!
527 * These chars are _not_ in the array either:  _ (0x5f), : 0x3a, . 0x2e, - 0x2d
528 *
529 * @author Andreas Gohr <andi@splitbrain.org>
530 * @see    utf8_stripspecials()
531 */
532$UTF8_SPECIAL_CHARS = array(
533  0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020, 0x0021, 0x0022, 0x0023,
534  0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c,
535          0x002f,         0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040, 0x005b,
536  0x005c, 0x005d, 0x005e,         0x0060, 0x007b, 0x007c, 0x007d, 0x007e,
537  0x007f, 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, 0x0088,
538  0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f, 0x0090, 0x0091, 0x0092,
539	0x0093, 0x0094, 0x0095, 0x0096, 0x0097, 0x0098, 0x0099, 0x009a, 0x009b, 0x009c,
540	0x009d, 0x009e, 0x009f, 0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6,
541	0x00a7, 0x00a8, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af, 0x00b0,
542	0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7, 0x00b8, 0x00b9, 0x00ba,
543	0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf, 0x00d7, 0x00f7, 0x02c7, 0x02d8, 0x02d9,
544	0x02da, 0x02db, 0x02dc, 0x02dd, 0x0300, 0x0301, 0x0303, 0x0309, 0x0323, 0x0384,
545	0x0385, 0x0387, 0x03b2, 0x03c6, 0x03d1, 0x03d2, 0x03d5, 0x03d6, 0x05b0, 0x05b1,
546	0x05b2, 0x05b3, 0x05b4, 0x05b5, 0x05b6, 0x05b7, 0x05b8, 0x05b9, 0x05bb, 0x05bc,
547	0x05bd, 0x05be, 0x05bf, 0x05c0, 0x05c1, 0x05c2, 0x05c3, 0x05f3, 0x05f4, 0x060c,
548	0x061b, 0x061f, 0x0640, 0x064b, 0x064c, 0x064d, 0x064e, 0x064f, 0x0650, 0x0651,
549	0x0652, 0x066a, 0x0e3f, 0x200c, 0x200d, 0x200e, 0x200f, 0x2013, 0x2014, 0x2015,
550	0x2017, 0x2018, 0x2019, 0x201a, 0x201c, 0x201d, 0x201e, 0x2020, 0x2021, 0x2022,
551	0x2026, 0x2030, 0x2032, 0x2033, 0x2039, 0x203a, 0x2044, 0x20a7, 0x20aa, 0x20ab,
552	0x20ac, 0x2116, 0x2118, 0x2122, 0x2126, 0x2135, 0x2190, 0x2191, 0x2192, 0x2193,
553	0x2194, 0x2195, 0x21b5, 0x21d0, 0x21d1, 0x21d2, 0x21d3, 0x21d4, 0x2200, 0x2202,
554	0x2203, 0x2205, 0x2206, 0x2207, 0x2208, 0x2209, 0x220b, 0x220f, 0x2211, 0x2212,
555	0x2215, 0x2217, 0x2219, 0x221a, 0x221d, 0x221e, 0x2220, 0x2227, 0x2228, 0x2229,
556	0x222a, 0x222b, 0x2234, 0x223c, 0x2245, 0x2248, 0x2260, 0x2261, 0x2264, 0x2265,
557	0x2282, 0x2283, 0x2284, 0x2286, 0x2287, 0x2295, 0x2297, 0x22a5, 0x22c5, 0x2310,
558	0x2320, 0x2321, 0x2329, 0x232a, 0x2469, 0x2500, 0x2502, 0x250c, 0x2510, 0x2514,
559	0x2518, 0x251c, 0x2524, 0x252c, 0x2534, 0x253c, 0x2550, 0x2551, 0x2552, 0x2553,
560	0x2554, 0x2555, 0x2556, 0x2557, 0x2558, 0x2559, 0x255a, 0x255b, 0x255c, 0x255d,
561	0x255e, 0x255f, 0x2560, 0x2561, 0x2562, 0x2563, 0x2564, 0x2565, 0x2566, 0x2567,
562	0x2568, 0x2569, 0x256a, 0x256b, 0x256c, 0x2580, 0x2584, 0x2588, 0x258c, 0x2590,
563	0x2591, 0x2592, 0x2593, 0x25a0, 0x25b2, 0x25bc, 0x25c6, 0x25ca, 0x25cf, 0x25d7,
564	0x2605, 0x260e, 0x261b, 0x261e, 0x2660, 0x2663, 0x2665, 0x2666, 0x2701, 0x2702,
565	0x2703, 0x2704, 0x2706, 0x2707, 0x2708, 0x2709, 0x270c, 0x270d, 0x270e, 0x270f,
566	0x2710, 0x2711, 0x2712, 0x2713, 0x2714, 0x2715, 0x2716, 0x2717, 0x2718, 0x2719,
567	0x271a, 0x271b, 0x271c, 0x271d, 0x271e, 0x271f, 0x2720, 0x2721, 0x2722, 0x2723,
568	0x2724, 0x2725, 0x2726, 0x2727, 0x2729, 0x272a, 0x272b, 0x272c, 0x272d, 0x272e,
569	0x272f, 0x2730, 0x2731, 0x2732, 0x2733, 0x2734, 0x2735, 0x2736, 0x2737, 0x2738,
570	0x2739, 0x273a, 0x273b, 0x273c, 0x273d, 0x273e, 0x273f, 0x2740, 0x2741, 0x2742,
571	0x2743, 0x2744, 0x2745, 0x2746, 0x2747, 0x2748, 0x2749, 0x274a, 0x274b, 0x274d,
572	0x274f, 0x2750, 0x2751, 0x2752, 0x2756, 0x2758, 0x2759, 0x275a, 0x275b, 0x275c,
573	0x275d, 0x275e, 0x2761, 0x2762, 0x2763, 0x2764, 0x2765, 0x2766, 0x2767, 0x277f,
574	0x2789, 0x2793, 0x2794, 0x2798, 0x2799, 0x279a, 0x279b, 0x279c, 0x279d, 0x279e,
575	0x279f, 0x27a0, 0x27a1, 0x27a2, 0x27a3, 0x27a4, 0x27a5, 0x27a6, 0x27a7, 0x27a8,
576	0x27a9, 0x27aa, 0x27ab, 0x27ac, 0x27ad, 0x27ae, 0x27af, 0x27b1, 0x27b2, 0x27b3,
577	0x27b4, 0x27b5, 0x27b6, 0x27b7, 0x27b8, 0x27b9, 0x27ba, 0x27bb, 0x27bc, 0x27bd,
578	0x27be, 0xf6d9, 0xf6da, 0xf6db, 0xf8d7, 0xf8d8, 0xf8d9, 0xf8da, 0xf8db, 0xf8dc,
579	0xf8dd, 0xf8de, 0xf8df, 0xf8e0, 0xf8e1, 0xf8e2, 0xf8e3, 0xf8e4, 0xf8e5, 0xf8e6,
580	0xf8e7, 0xf8e8, 0xf8e9, 0xf8ea, 0xf8eb, 0xf8ec, 0xf8ed, 0xf8ee, 0xf8ef, 0xf8f0,
581	0xf8f1, 0xf8f2, 0xf8f3, 0xf8f4, 0xf8f5, 0xf8f6, 0xf8f7, 0xf8f8, 0xf8f9, 0xf8fa,
582	0xf8fb, 0xf8fc, 0xf8fd, 0xf8fe, 0xfe7c, 0xfe7d,
583);
584
585
586//Setup VIM: ex: et ts=2 enc=utf-8 :
587