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bf79b7fe TD |
1 | <?php |
2 | ||
3 | /* | |
4 | * This file is part of the Symfony package. | |
5 | * | |
6 | * (c) Fabien Potencier <fabien@symfony.com> | |
7 | * | |
8 | * For the full copyright and license information, please view the LICENSE | |
9 | * file that was distributed with this source code. | |
10 | */ | |
11 | ||
12 | namespace Symfony\Polyfill\Mbstring; | |
13 | ||
14 | /** | |
15 | * Partial mbstring implementation in PHP, iconv based, UTF-8 centric. | |
16 | * | |
17 | * Implemented: | |
18 | * - mb_chr - Returns a specific character from its Unicode code point | |
19 | * - mb_convert_encoding - Convert character encoding | |
20 | * - mb_convert_variables - Convert character code in variable(s) | |
21 | * - mb_decode_mimeheader - Decode string in MIME header field | |
22 | * - mb_encode_mimeheader - Encode string for MIME header XXX NATIVE IMPLEMENTATION IS REALLY BUGGED | |
a6885a0b TD |
23 | * - mb_decode_numericentity - Decode HTML numeric string reference to character |
24 | * - mb_encode_numericentity - Encode character to HTML numeric string reference | |
bf79b7fe | 25 | * - mb_convert_case - Perform case folding on a string |
a6885a0b | 26 | * - mb_detect_encoding - Detect character encoding |
bf79b7fe TD |
27 | * - mb_get_info - Get internal settings of mbstring |
28 | * - mb_http_input - Detect HTTP input character encoding | |
29 | * - mb_http_output - Set/Get HTTP output character encoding | |
30 | * - mb_internal_encoding - Set/Get internal character encoding | |
31 | * - mb_list_encodings - Returns an array of all supported encodings | |
32 | * - mb_ord - Returns the Unicode code point of a character | |
33 | * - mb_output_handler - Callback function converts character encoding in output buffer | |
34 | * - mb_scrub - Replaces ill-formed byte sequences with substitute characters | |
35 | * - mb_strlen - Get string length | |
36 | * - mb_strpos - Find position of first occurrence of string in a string | |
37 | * - mb_strrpos - Find position of last occurrence of a string in a string | |
fbbb20ec | 38 | * - mb_str_split - Convert a string to an array |
bf79b7fe TD |
39 | * - mb_strtolower - Make a string lowercase |
40 | * - mb_strtoupper - Make a string uppercase | |
41 | * - mb_substitute_character - Set/Get substitution character | |
42 | * - mb_substr - Get part of string | |
43 | * - mb_stripos - Finds position of first occurrence of a string within another, case insensitive | |
44 | * - mb_stristr - Finds first occurrence of a string within another, case insensitive | |
45 | * - mb_strrchr - Finds the last occurrence of a character in a string within another | |
46 | * - mb_strrichr - Finds the last occurrence of a character in a string within another, case insensitive | |
47 | * - mb_strripos - Finds position of last occurrence of a string within another, case insensitive | |
a6885a0b | 48 | * - mb_strstr - Finds first occurrence of a string within another |
bf79b7fe TD |
49 | * - mb_strwidth - Return width of string |
50 | * - mb_substr_count - Count the number of substring occurrences | |
51 | * | |
52 | * Not implemented: | |
53 | * - mb_convert_kana - Convert "kana" one from another ("zen-kaku", "han-kaku" and more) | |
bf79b7fe TD |
54 | * - mb_ereg_* - Regular expression with multibyte support |
55 | * - mb_parse_str - Parse GET/POST/COOKIE data and set global variable | |
56 | * - mb_preferred_mime_name - Get MIME charset string | |
57 | * - mb_regex_encoding - Returns current encoding for multibyte regex as string | |
58 | * - mb_regex_set_options - Set/Get the default options for mbregex functions | |
59 | * - mb_send_mail - Send encoded mail | |
60 | * - mb_split - Split multibyte string using regular expression | |
61 | * - mb_strcut - Get part of string | |
62 | * - mb_strimwidth - Get truncated string with specified width | |
63 | * | |
64 | * @author Nicolas Grekas <p@tchwork.com> | |
65 | * | |
66 | * @internal | |
67 | */ | |
68 | final class Mbstring | |
69 | { | |
70 | const MB_CASE_FOLD = PHP_INT_MAX; | |
71 | ||
72 | private static $encodingList = array('ASCII', 'UTF-8'); | |
73 | private static $language = 'neutral'; | |
74 | private static $internalEncoding = 'UTF-8'; | |
75 | private static $caseFold = array( | |
a6885a0b TD |
76 | array('µ', 'ſ', "\xCD\x85", 'ς', "\xCF\x90", "\xCF\x91", "\xCF\x95", "\xCF\x96", "\xCF\xB0", "\xCF\xB1", "\xCF\xB5", "\xE1\xBA\x9B", "\xE1\xBE\xBE"), |
77 | array('μ', 's', 'ι', 'σ', 'β', 'θ', 'φ', 'π', 'κ', 'ρ', 'ε', "\xE1\xB9\xA1", 'ι'), | |
bf79b7fe TD |
78 | ); |
79 | ||
80 | public static function mb_convert_encoding($s, $toEncoding, $fromEncoding = null) | |
81 | { | |
a6885a0b | 82 | if (\is_array($fromEncoding) || false !== strpos($fromEncoding, ',')) { |
bf79b7fe TD |
83 | $fromEncoding = self::mb_detect_encoding($s, $fromEncoding); |
84 | } else { | |
85 | $fromEncoding = self::getEncoding($fromEncoding); | |
86 | } | |
87 | ||
88 | $toEncoding = self::getEncoding($toEncoding); | |
89 | ||
90 | if ('BASE64' === $fromEncoding) { | |
91 | $s = base64_decode($s); | |
92 | $fromEncoding = $toEncoding; | |
93 | } | |
94 | ||
95 | if ('BASE64' === $toEncoding) { | |
96 | return base64_encode($s); | |
97 | } | |
98 | ||
99 | if ('HTML-ENTITIES' === $toEncoding || 'HTML' === $toEncoding) { | |
100 | if ('HTML-ENTITIES' === $fromEncoding || 'HTML' === $fromEncoding) { | |
101 | $fromEncoding = 'Windows-1252'; | |
102 | } | |
103 | if ('UTF-8' !== $fromEncoding) { | |
104 | $s = iconv($fromEncoding, 'UTF-8//IGNORE', $s); | |
105 | } | |
106 | ||
107 | return preg_replace_callback('/[\x80-\xFF]+/', array(__CLASS__, 'html_encoding_callback'), $s); | |
108 | } | |
109 | ||
110 | if ('HTML-ENTITIES' === $fromEncoding) { | |
111 | $s = html_entity_decode($s, ENT_COMPAT, 'UTF-8'); | |
112 | $fromEncoding = 'UTF-8'; | |
113 | } | |
114 | ||
115 | return iconv($fromEncoding, $toEncoding.'//IGNORE', $s); | |
116 | } | |
117 | ||
118 | public static function mb_convert_variables($toEncoding, $fromEncoding, &$a = null, &$b = null, &$c = null, &$d = null, &$e = null, &$f = null) | |
119 | { | |
120 | $vars = array(&$a, &$b, &$c, &$d, &$e, &$f); | |
121 | ||
122 | $ok = true; | |
123 | array_walk_recursive($vars, function (&$v) use (&$ok, $toEncoding, $fromEncoding) { | |
124 | if (false === $v = Mbstring::mb_convert_encoding($v, $toEncoding, $fromEncoding)) { | |
125 | $ok = false; | |
126 | } | |
127 | }); | |
128 | ||
129 | return $ok ? $fromEncoding : false; | |
130 | } | |
131 | ||
132 | public static function mb_decode_mimeheader($s) | |
133 | { | |
134 | return iconv_mime_decode($s, 2, self::$internalEncoding); | |
135 | } | |
136 | ||
137 | public static function mb_encode_mimeheader($s, $charset = null, $transferEncoding = null, $linefeed = null, $indent = null) | |
138 | { | |
139 | trigger_error('mb_encode_mimeheader() is bugged. Please use iconv_mime_encode() instead', E_USER_WARNING); | |
140 | } | |
141 | ||
a6885a0b TD |
142 | public static function mb_decode_numericentity($s, $convmap, $encoding = null) |
143 | { | |
144 | if (null !== $s && !\is_scalar($s) && !(\is_object($s) && \method_exists($s, '__toString'))) { | |
145 | trigger_error('mb_decode_numericentity() expects parameter 1 to be string, '.\gettype($s).' given', E_USER_WARNING); | |
146 | ||
147 | return null; | |
148 | } | |
149 | ||
150 | if (!\is_array($convmap) || !$convmap) { | |
151 | return false; | |
152 | } | |
153 | ||
154 | if (null !== $encoding && !\is_scalar($encoding)) { | |
155 | trigger_error('mb_decode_numericentity() expects parameter 3 to be string, '.\gettype($s).' given', E_USER_WARNING); | |
156 | ||
157 | return ''; // Instead of null (cf. mb_encode_numericentity). | |
158 | } | |
159 | ||
160 | $s = (string) $s; | |
161 | if ('' === $s) { | |
162 | return ''; | |
163 | } | |
164 | ||
165 | $encoding = self::getEncoding($encoding); | |
166 | ||
167 | if ('UTF-8' === $encoding) { | |
168 | $encoding = null; | |
169 | if (!preg_match('//u', $s)) { | |
170 | $s = @iconv('UTF-8', 'UTF-8//IGNORE', $s); | |
171 | } | |
172 | } else { | |
173 | $s = iconv($encoding, 'UTF-8//IGNORE', $s); | |
174 | } | |
175 | ||
176 | $cnt = floor(\count($convmap) / 4) * 4; | |
177 | ||
178 | for ($i = 0; $i < $cnt; $i += 4) { | |
179 | // collector_decode_htmlnumericentity ignores $convmap[$i + 3] | |
180 | $convmap[$i] += $convmap[$i + 2]; | |
181 | $convmap[$i + 1] += $convmap[$i + 2]; | |
182 | } | |
183 | ||
184 | $s = preg_replace_callback('/&#(?:0*([0-9]+)|x0*([0-9a-fA-F]+))(?!&);?/', function (array $m) use ($cnt, $convmap) { | |
185 | $c = isset($m[2]) ? (int) hexdec($m[2]) : $m[1]; | |
186 | for ($i = 0; $i < $cnt; $i += 4) { | |
187 | if ($c >= $convmap[$i] && $c <= $convmap[$i + 1]) { | |
188 | return Mbstring::mb_chr($c - $convmap[$i + 2]); | |
189 | } | |
190 | } | |
191 | ||
192 | return $m[0]; | |
193 | }, $s); | |
194 | ||
195 | if (null === $encoding) { | |
196 | return $s; | |
197 | } | |
198 | ||
199 | return iconv('UTF-8', $encoding.'//IGNORE', $s); | |
200 | } | |
201 | ||
202 | public static function mb_encode_numericentity($s, $convmap, $encoding = null, $is_hex = false) | |
203 | { | |
204 | if (null !== $s && !\is_scalar($s) && !(\is_object($s) && \method_exists($s, '__toString'))) { | |
205 | trigger_error('mb_encode_numericentity() expects parameter 1 to be string, '.\gettype($s).' given', E_USER_WARNING); | |
206 | ||
207 | return null; | |
208 | } | |
209 | ||
210 | if (!\is_array($convmap) || !$convmap) { | |
211 | return false; | |
212 | } | |
213 | ||
214 | if (null !== $encoding && !\is_scalar($encoding)) { | |
215 | trigger_error('mb_encode_numericentity() expects parameter 3 to be string, '.\gettype($s).' given', E_USER_WARNING); | |
216 | ||
217 | return null; // Instead of '' (cf. mb_decode_numericentity). | |
218 | } | |
219 | ||
220 | if (null !== $is_hex && !\is_scalar($is_hex)) { | |
221 | trigger_error('mb_encode_numericentity() expects parameter 4 to be boolean, '.\gettype($s).' given', E_USER_WARNING); | |
222 | ||
223 | return null; | |
224 | } | |
225 | ||
226 | $s = (string) $s; | |
227 | if ('' === $s) { | |
228 | return ''; | |
229 | } | |
230 | ||
231 | $encoding = self::getEncoding($encoding); | |
232 | ||
233 | if ('UTF-8' === $encoding) { | |
234 | $encoding = null; | |
235 | if (!preg_match('//u', $s)) { | |
236 | $s = @iconv('UTF-8', 'UTF-8//IGNORE', $s); | |
237 | } | |
238 | } else { | |
239 | $s = iconv($encoding, 'UTF-8//IGNORE', $s); | |
240 | } | |
241 | ||
242 | static $ulenMask = array("\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4); | |
243 | ||
244 | $cnt = floor(\count($convmap) / 4) * 4; | |
245 | $i = 0; | |
246 | $len = \strlen($s); | |
247 | $result = ''; | |
248 | ||
249 | while ($i < $len) { | |
250 | $ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xF0"]; | |
251 | $uchr = substr($s, $i, $ulen); | |
252 | $i += $ulen; | |
253 | $c = self::mb_ord($uchr); | |
254 | ||
255 | for ($j = 0; $j < $cnt; $j += 4) { | |
256 | if ($c >= $convmap[$j] && $c <= $convmap[$j + 1]) { | |
257 | $cOffset = ($c + $convmap[$j + 2]) & $convmap[$j + 3]; | |
258 | $result .= $is_hex ? sprintf('&#x%X;', $cOffset) : '&#'.$cOffset.';'; | |
259 | continue 2; | |
260 | } | |
261 | } | |
262 | $result .= $uchr; | |
263 | } | |
264 | ||
265 | if (null === $encoding) { | |
266 | return $result; | |
267 | } | |
268 | ||
269 | return iconv('UTF-8', $encoding.'//IGNORE', $result); | |
270 | } | |
271 | ||
bf79b7fe TD |
272 | public static function mb_convert_case($s, $mode, $encoding = null) |
273 | { | |
a6885a0b TD |
274 | $s = (string) $s; |
275 | if ('' === $s) { | |
bf79b7fe TD |
276 | return ''; |
277 | } | |
278 | ||
279 | $encoding = self::getEncoding($encoding); | |
280 | ||
281 | if ('UTF-8' === $encoding) { | |
282 | $encoding = null; | |
283 | if (!preg_match('//u', $s)) { | |
284 | $s = @iconv('UTF-8', 'UTF-8//IGNORE', $s); | |
285 | } | |
286 | } else { | |
287 | $s = iconv($encoding, 'UTF-8//IGNORE', $s); | |
288 | } | |
289 | ||
290 | if (MB_CASE_TITLE == $mode) { | |
a6885a0b TD |
291 | static $titleRegexp = null; |
292 | if (null === $titleRegexp) { | |
293 | $titleRegexp = self::getData('titleCaseRegexp'); | |
294 | } | |
295 | $s = preg_replace_callback($titleRegexp, array(__CLASS__, 'title_case'), $s); | |
bf79b7fe TD |
296 | } else { |
297 | if (MB_CASE_UPPER == $mode) { | |
298 | static $upper = null; | |
299 | if (null === $upper) { | |
300 | $upper = self::getData('upperCase'); | |
301 | } | |
302 | $map = $upper; | |
303 | } else { | |
304 | if (self::MB_CASE_FOLD === $mode) { | |
305 | $s = str_replace(self::$caseFold[0], self::$caseFold[1], $s); | |
306 | } | |
307 | ||
308 | static $lower = null; | |
309 | if (null === $lower) { | |
310 | $lower = self::getData('lowerCase'); | |
311 | } | |
312 | $map = $lower; | |
313 | } | |
314 | ||
315 | static $ulenMask = array("\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4); | |
316 | ||
317 | $i = 0; | |
a6885a0b | 318 | $len = \strlen($s); |
bf79b7fe TD |
319 | |
320 | while ($i < $len) { | |
321 | $ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xF0"]; | |
322 | $uchr = substr($s, $i, $ulen); | |
323 | $i += $ulen; | |
324 | ||
325 | if (isset($map[$uchr])) { | |
326 | $uchr = $map[$uchr]; | |
a6885a0b | 327 | $nlen = \strlen($uchr); |
bf79b7fe TD |
328 | |
329 | if ($nlen == $ulen) { | |
330 | $nlen = $i; | |
331 | do { | |
332 | $s[--$nlen] = $uchr[--$ulen]; | |
333 | } while ($ulen); | |
334 | } else { | |
335 | $s = substr_replace($s, $uchr, $i - $ulen, $ulen); | |
336 | $len += $nlen - $ulen; | |
a6885a0b | 337 | $i += $nlen - $ulen; |
bf79b7fe TD |
338 | } |
339 | } | |
340 | } | |
341 | } | |
342 | ||
343 | if (null === $encoding) { | |
344 | return $s; | |
345 | } | |
346 | ||
347 | return iconv('UTF-8', $encoding.'//IGNORE', $s); | |
348 | } | |
349 | ||
350 | public static function mb_internal_encoding($encoding = null) | |
351 | { | |
352 | if (null === $encoding) { | |
353 | return self::$internalEncoding; | |
354 | } | |
355 | ||
356 | $encoding = self::getEncoding($encoding); | |
357 | ||
358 | if ('UTF-8' === $encoding || false !== @iconv($encoding, $encoding, ' ')) { | |
359 | self::$internalEncoding = $encoding; | |
360 | ||
361 | return true; | |
362 | } | |
363 | ||
364 | return false; | |
365 | } | |
366 | ||
367 | public static function mb_language($lang = null) | |
368 | { | |
369 | if (null === $lang) { | |
370 | return self::$language; | |
371 | } | |
372 | ||
373 | switch ($lang = strtolower($lang)) { | |
374 | case 'uni': | |
375 | case 'neutral': | |
376 | self::$language = $lang; | |
377 | ||
378 | return true; | |
379 | } | |
380 | ||
381 | return false; | |
382 | } | |
383 | ||
384 | public static function mb_list_encodings() | |
385 | { | |
386 | return array('UTF-8'); | |
387 | } | |
388 | ||
389 | public static function mb_encoding_aliases($encoding) | |
390 | { | |
391 | switch (strtoupper($encoding)) { | |
392 | case 'UTF8': | |
393 | case 'UTF-8': | |
394 | return array('utf8'); | |
395 | } | |
396 | ||
397 | return false; | |
398 | } | |
399 | ||
400 | public static function mb_check_encoding($var = null, $encoding = null) | |
401 | { | |
402 | if (null === $encoding) { | |
403 | if (null === $var) { | |
404 | return false; | |
405 | } | |
406 | $encoding = self::$internalEncoding; | |
407 | } | |
408 | ||
409 | return self::mb_detect_encoding($var, array($encoding)) || false !== @iconv($encoding, $encoding, $var); | |
410 | } | |
411 | ||
412 | public static function mb_detect_encoding($str, $encodingList = null, $strict = false) | |
413 | { | |
414 | if (null === $encodingList) { | |
415 | $encodingList = self::$encodingList; | |
416 | } else { | |
a6885a0b | 417 | if (!\is_array($encodingList)) { |
bf79b7fe TD |
418 | $encodingList = array_map('trim', explode(',', $encodingList)); |
419 | } | |
420 | $encodingList = array_map('strtoupper', $encodingList); | |
421 | } | |
422 | ||
423 | foreach ($encodingList as $enc) { | |
424 | switch ($enc) { | |
425 | case 'ASCII': | |
426 | if (!preg_match('/[\x80-\xFF]/', $str)) { | |
427 | return $enc; | |
428 | } | |
429 | break; | |
430 | ||
431 | case 'UTF8': | |
432 | case 'UTF-8': | |
433 | if (preg_match('//u', $str)) { | |
434 | return 'UTF-8'; | |
435 | } | |
436 | break; | |
437 | ||
438 | default: | |
439 | if (0 === strncmp($enc, 'ISO-8859-', 9)) { | |
440 | return $enc; | |
441 | } | |
442 | } | |
443 | } | |
444 | ||
445 | return false; | |
446 | } | |
447 | ||
448 | public static function mb_detect_order($encodingList = null) | |
449 | { | |
450 | if (null === $encodingList) { | |
451 | return self::$encodingList; | |
452 | } | |
453 | ||
a6885a0b | 454 | if (!\is_array($encodingList)) { |
bf79b7fe TD |
455 | $encodingList = array_map('trim', explode(',', $encodingList)); |
456 | } | |
457 | $encodingList = array_map('strtoupper', $encodingList); | |
458 | ||
459 | foreach ($encodingList as $enc) { | |
460 | switch ($enc) { | |
461 | default: | |
462 | if (strncmp($enc, 'ISO-8859-', 9)) { | |
463 | return false; | |
464 | } | |
a6885a0b | 465 | // no break |
bf79b7fe TD |
466 | case 'ASCII': |
467 | case 'UTF8': | |
468 | case 'UTF-8': | |
469 | } | |
470 | } | |
471 | ||
472 | self::$encodingList = $encodingList; | |
473 | ||
474 | return true; | |
475 | } | |
476 | ||
477 | public static function mb_strlen($s, $encoding = null) | |
478 | { | |
479 | $encoding = self::getEncoding($encoding); | |
480 | if ('CP850' === $encoding || 'ASCII' === $encoding) { | |
a6885a0b | 481 | return \strlen($s); |
bf79b7fe TD |
482 | } |
483 | ||
484 | return @iconv_strlen($s, $encoding); | |
485 | } | |
486 | ||
487 | public static function mb_strpos($haystack, $needle, $offset = 0, $encoding = null) | |
488 | { | |
489 | $encoding = self::getEncoding($encoding); | |
490 | if ('CP850' === $encoding || 'ASCII' === $encoding) { | |
491 | return strpos($haystack, $needle, $offset); | |
492 | } | |
493 | ||
a6885a0b TD |
494 | $needle = (string) $needle; |
495 | if ('' === $needle) { | |
bf79b7fe TD |
496 | trigger_error(__METHOD__.': Empty delimiter', E_USER_WARNING); |
497 | ||
498 | return false; | |
499 | } | |
500 | ||
501 | return iconv_strpos($haystack, $needle, $offset, $encoding); | |
502 | } | |
503 | ||
504 | public static function mb_strrpos($haystack, $needle, $offset = 0, $encoding = null) | |
505 | { | |
506 | $encoding = self::getEncoding($encoding); | |
507 | if ('CP850' === $encoding || 'ASCII' === $encoding) { | |
508 | return strrpos($haystack, $needle, $offset); | |
509 | } | |
510 | ||
511 | if ($offset != (int) $offset) { | |
512 | $offset = 0; | |
513 | } elseif ($offset = (int) $offset) { | |
514 | if ($offset < 0) { | |
d25bcf05 TD |
515 | if (0 > $offset += self::mb_strlen($needle)) { |
516 | $haystack = self::mb_substr($haystack, 0, $offset, $encoding); | |
517 | } | |
bf79b7fe TD |
518 | $offset = 0; |
519 | } else { | |
520 | $haystack = self::mb_substr($haystack, $offset, 2147483647, $encoding); | |
521 | } | |
522 | } | |
523 | ||
524 | $pos = iconv_strrpos($haystack, $needle, $encoding); | |
525 | ||
526 | return false !== $pos ? $offset + $pos : false; | |
527 | } | |
528 | ||
fbbb20ec AE |
529 | public static function mb_str_split($string, $split_length = 1, $encoding = null) |
530 | { | |
531 | if (null !== $string && !\is_scalar($string) && !(\is_object($string) && \method_exists($string, '__toString'))) { | |
532 | trigger_error('mb_str_split() expects parameter 1 to be string, '.\gettype($string).' given', E_USER_WARNING); | |
533 | ||
534 | return null; | |
535 | } | |
536 | ||
d25bcf05 | 537 | if (1 > $split_length = (int) $split_length) { |
fbbb20ec AE |
538 | trigger_error('The length of each segment must be greater than zero', E_USER_WARNING); |
539 | ||
540 | return false; | |
541 | } | |
542 | ||
543 | if (null === $encoding) { | |
544 | $encoding = mb_internal_encoding(); | |
545 | } | |
546 | ||
d25bcf05 TD |
547 | if ('UTF-8' === $encoding = self::getEncoding($encoding)) { |
548 | $rx = '/('; | |
549 | while (65535 < $split_length) { | |
550 | $rx .= '.{65535}'; | |
551 | $split_length -= 65535; | |
552 | } | |
553 | $rx .= '.{'.$split_length.'})/us'; | |
554 | ||
555 | return preg_split($rx, $string, null, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY); | |
556 | } | |
557 | ||
fbbb20ec AE |
558 | $result = array(); |
559 | $length = mb_strlen($string, $encoding); | |
560 | ||
561 | for ($i = 0; $i < $length; $i += $split_length) { | |
562 | $result[] = mb_substr($string, $i, $split_length, $encoding); | |
563 | } | |
564 | ||
565 | return $result; | |
566 | } | |
567 | ||
bf79b7fe TD |
568 | public static function mb_strtolower($s, $encoding = null) |
569 | { | |
570 | return self::mb_convert_case($s, MB_CASE_LOWER, $encoding); | |
571 | } | |
572 | ||
573 | public static function mb_strtoupper($s, $encoding = null) | |
574 | { | |
575 | return self::mb_convert_case($s, MB_CASE_UPPER, $encoding); | |
576 | } | |
577 | ||
578 | public static function mb_substitute_character($c = null) | |
579 | { | |
580 | if (0 === strcasecmp($c, 'none')) { | |
581 | return true; | |
582 | } | |
583 | ||
584 | return null !== $c ? false : 'none'; | |
585 | } | |
586 | ||
587 | public static function mb_substr($s, $start, $length = null, $encoding = null) | |
588 | { | |
589 | $encoding = self::getEncoding($encoding); | |
590 | if ('CP850' === $encoding || 'ASCII' === $encoding) { | |
fbbb20ec | 591 | return (string) substr($s, $start, null === $length ? 2147483647 : $length); |
bf79b7fe TD |
592 | } |
593 | ||
594 | if ($start < 0) { | |
595 | $start = iconv_strlen($s, $encoding) + $start; | |
596 | if ($start < 0) { | |
597 | $start = 0; | |
598 | } | |
599 | } | |
600 | ||
601 | if (null === $length) { | |
602 | $length = 2147483647; | |
603 | } elseif ($length < 0) { | |
604 | $length = iconv_strlen($s, $encoding) + $length - $start; | |
605 | if ($length < 0) { | |
606 | return ''; | |
607 | } | |
608 | } | |
609 | ||
a6885a0b | 610 | return (string) iconv_substr($s, $start, $length, $encoding); |
bf79b7fe TD |
611 | } |
612 | ||
613 | public static function mb_stripos($haystack, $needle, $offset = 0, $encoding = null) | |
614 | { | |
615 | $haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); | |
616 | $needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); | |
617 | ||
618 | return self::mb_strpos($haystack, $needle, $offset, $encoding); | |
619 | } | |
620 | ||
621 | public static function mb_stristr($haystack, $needle, $part = false, $encoding = null) | |
622 | { | |
623 | $pos = self::mb_stripos($haystack, $needle, 0, $encoding); | |
624 | ||
625 | return self::getSubpart($pos, $part, $haystack, $encoding); | |
626 | } | |
627 | ||
628 | public static function mb_strrchr($haystack, $needle, $part = false, $encoding = null) | |
629 | { | |
630 | $encoding = self::getEncoding($encoding); | |
631 | if ('CP850' === $encoding || 'ASCII' === $encoding) { | |
632 | return strrchr($haystack, $needle, $part); | |
633 | } | |
634 | $needle = self::mb_substr($needle, 0, 1, $encoding); | |
635 | $pos = iconv_strrpos($haystack, $needle, $encoding); | |
636 | ||
637 | return self::getSubpart($pos, $part, $haystack, $encoding); | |
638 | } | |
639 | ||
640 | public static function mb_strrichr($haystack, $needle, $part = false, $encoding = null) | |
641 | { | |
642 | $needle = self::mb_substr($needle, 0, 1, $encoding); | |
643 | $pos = self::mb_strripos($haystack, $needle, $encoding); | |
644 | ||
645 | return self::getSubpart($pos, $part, $haystack, $encoding); | |
646 | } | |
647 | ||
648 | public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = null) | |
649 | { | |
650 | $haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); | |
651 | $needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); | |
652 | ||
653 | return self::mb_strrpos($haystack, $needle, $offset, $encoding); | |
654 | } | |
655 | ||
656 | public static function mb_strstr($haystack, $needle, $part = false, $encoding = null) | |
657 | { | |
658 | $pos = strpos($haystack, $needle); | |
659 | if (false === $pos) { | |
660 | return false; | |
661 | } | |
662 | if ($part) { | |
663 | return substr($haystack, 0, $pos); | |
664 | } | |
665 | ||
666 | return substr($haystack, $pos); | |
667 | } | |
668 | ||
669 | public static function mb_get_info($type = 'all') | |
670 | { | |
671 | $info = array( | |
672 | 'internal_encoding' => self::$internalEncoding, | |
673 | 'http_output' => 'pass', | |
674 | 'http_output_conv_mimetypes' => '^(text/|application/xhtml\+xml)', | |
675 | 'func_overload' => 0, | |
676 | 'func_overload_list' => 'no overload', | |
677 | 'mail_charset' => 'UTF-8', | |
678 | 'mail_header_encoding' => 'BASE64', | |
679 | 'mail_body_encoding' => 'BASE64', | |
680 | 'illegal_chars' => 0, | |
681 | 'encoding_translation' => 'Off', | |
682 | 'language' => self::$language, | |
683 | 'detect_order' => self::$encodingList, | |
684 | 'substitute_character' => 'none', | |
685 | 'strict_detection' => 'Off', | |
686 | ); | |
687 | ||
688 | if ('all' === $type) { | |
689 | return $info; | |
690 | } | |
691 | if (isset($info[$type])) { | |
692 | return $info[$type]; | |
693 | } | |
694 | ||
695 | return false; | |
696 | } | |
697 | ||
698 | public static function mb_http_input($type = '') | |
699 | { | |
700 | return false; | |
701 | } | |
702 | ||
703 | public static function mb_http_output($encoding = null) | |
704 | { | |
705 | return null !== $encoding ? 'pass' === $encoding : 'pass'; | |
706 | } | |
707 | ||
708 | public static function mb_strwidth($s, $encoding = null) | |
709 | { | |
710 | $encoding = self::getEncoding($encoding); | |
711 | ||
712 | if ('UTF-8' !== $encoding) { | |
713 | $s = iconv($encoding, 'UTF-8//IGNORE', $s); | |
714 | } | |
715 | ||
716 | $s = preg_replace('/[\x{1100}-\x{115F}\x{2329}\x{232A}\x{2E80}-\x{303E}\x{3040}-\x{A4CF}\x{AC00}-\x{D7A3}\x{F900}-\x{FAFF}\x{FE10}-\x{FE19}\x{FE30}-\x{FE6F}\x{FF00}-\x{FF60}\x{FFE0}-\x{FFE6}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}]/u', '', $s, -1, $wide); | |
717 | ||
718 | return ($wide << 1) + iconv_strlen($s, 'UTF-8'); | |
719 | } | |
720 | ||
721 | public static function mb_substr_count($haystack, $needle, $encoding = null) | |
722 | { | |
723 | return substr_count($haystack, $needle); | |
724 | } | |
725 | ||
726 | public static function mb_output_handler($contents, $status) | |
727 | { | |
728 | return $contents; | |
729 | } | |
730 | ||
731 | public static function mb_chr($code, $encoding = null) | |
732 | { | |
733 | if (0x80 > $code %= 0x200000) { | |
a6885a0b | 734 | $s = \chr($code); |
bf79b7fe | 735 | } elseif (0x800 > $code) { |
a6885a0b | 736 | $s = \chr(0xC0 | $code >> 6).\chr(0x80 | $code & 0x3F); |
bf79b7fe | 737 | } elseif (0x10000 > $code) { |
a6885a0b | 738 | $s = \chr(0xE0 | $code >> 12).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); |
bf79b7fe | 739 | } else { |
a6885a0b | 740 | $s = \chr(0xF0 | $code >> 18).\chr(0x80 | $code >> 12 & 0x3F).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); |
bf79b7fe TD |
741 | } |
742 | ||
743 | if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { | |
744 | $s = mb_convert_encoding($s, $encoding, 'UTF-8'); | |
745 | } | |
746 | ||
747 | return $s; | |
748 | } | |
749 | ||
750 | public static function mb_ord($s, $encoding = null) | |
751 | { | |
752 | if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { | |
753 | $s = mb_convert_encoding($s, 'UTF-8', $encoding); | |
754 | } | |
755 | ||
a6885a0b TD |
756 | if (1 === \strlen($s)) { |
757 | return \ord($s); | |
758 | } | |
759 | ||
bf79b7fe TD |
760 | $code = ($s = unpack('C*', substr($s, 0, 4))) ? $s[1] : 0; |
761 | if (0xF0 <= $code) { | |
762 | return (($code - 0xF0) << 18) + (($s[2] - 0x80) << 12) + (($s[3] - 0x80) << 6) + $s[4] - 0x80; | |
763 | } | |
764 | if (0xE0 <= $code) { | |
765 | return (($code - 0xE0) << 12) + (($s[2] - 0x80) << 6) + $s[3] - 0x80; | |
766 | } | |
767 | if (0xC0 <= $code) { | |
768 | return (($code - 0xC0) << 6) + $s[2] - 0x80; | |
769 | } | |
770 | ||
771 | return $code; | |
772 | } | |
773 | ||
774 | private static function getSubpart($pos, $part, $haystack, $encoding) | |
775 | { | |
776 | if (false === $pos) { | |
777 | return false; | |
778 | } | |
779 | if ($part) { | |
780 | return self::mb_substr($haystack, 0, $pos, $encoding); | |
781 | } | |
782 | ||
783 | return self::mb_substr($haystack, $pos, null, $encoding); | |
784 | } | |
785 | ||
a6885a0b | 786 | private static function html_encoding_callback(array $m) |
bf79b7fe TD |
787 | { |
788 | $i = 1; | |
789 | $entities = ''; | |
790 | $m = unpack('C*', htmlentities($m[0], ENT_COMPAT, 'UTF-8')); | |
791 | ||
792 | while (isset($m[$i])) { | |
793 | if (0x80 > $m[$i]) { | |
a6885a0b | 794 | $entities .= \chr($m[$i++]); |
bf79b7fe TD |
795 | continue; |
796 | } | |
797 | if (0xF0 <= $m[$i]) { | |
798 | $c = (($m[$i++] - 0xF0) << 18) + (($m[$i++] - 0x80) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; | |
799 | } elseif (0xE0 <= $m[$i]) { | |
800 | $c = (($m[$i++] - 0xE0) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; | |
801 | } else { | |
802 | $c = (($m[$i++] - 0xC0) << 6) + $m[$i++] - 0x80; | |
803 | } | |
804 | ||
805 | $entities .= '&#'.$c.';'; | |
806 | } | |
807 | ||
808 | return $entities; | |
809 | } | |
810 | ||
a6885a0b | 811 | private static function title_case(array $s) |
bf79b7fe | 812 | { |
a6885a0b | 813 | return self::mb_convert_case($s[1], MB_CASE_UPPER, 'UTF-8').self::mb_convert_case($s[2], MB_CASE_LOWER, 'UTF-8'); |
bf79b7fe TD |
814 | } |
815 | ||
816 | private static function getData($file) | |
817 | { | |
818 | if (file_exists($file = __DIR__.'/Resources/unidata/'.$file.'.php')) { | |
819 | return require $file; | |
820 | } | |
821 | ||
822 | return false; | |
823 | } | |
824 | ||
825 | private static function getEncoding($encoding) | |
826 | { | |
827 | if (null === $encoding) { | |
828 | return self::$internalEncoding; | |
829 | } | |
830 | ||
d25bcf05 TD |
831 | if ('UTF-8' === $encoding) { |
832 | return 'UTF-8'; | |
833 | } | |
834 | ||
bf79b7fe TD |
835 | $encoding = strtoupper($encoding); |
836 | ||
837 | if ('8BIT' === $encoding || 'BINARY' === $encoding) { | |
838 | return 'CP850'; | |
839 | } | |
d25bcf05 | 840 | |
bf79b7fe TD |
841 | if ('UTF8' === $encoding) { |
842 | return 'UTF-8'; | |
843 | } | |
844 | ||
845 | return $encoding; | |
846 | } | |
847 | } |