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1 <?php 2 3 /* 4 * This file is part of the Symfony package. 5 * 6 * (c) Fabien Potencier <[email protected]> 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 23 * - mb_decode_numericentity - Decode HTML numeric string reference to character 24 * - mb_encode_numericentity - Encode character to HTML numeric string reference 25 * - mb_convert_case - Perform case folding on a string 26 * - mb_detect_encoding - Detect character encoding 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 38 * - mb_str_split - Convert a string to an array 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 48 * - mb_strstr - Finds first occurrence of a string within another 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) 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 <[email protected]> 65 * 66 * @internal 67 */ 68 final class Mbstring 69 { 70 public const MB_CASE_FOLD = \PHP_INT_MAX; 71 72 private const CASE_FOLD = [ 73 ['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"], 74 ['μ', 's', 'ι', 'σ', 'β', 'θ', 'φ', 'π', 'κ', 'ρ', 'ε', "\xE1\xB9\xA1", 'ι'], 75 ]; 76 77 private static $encodingList = ['ASCII', 'UTF-8']; 78 private static $language = 'neutral'; 79 private static $internalEncoding = 'UTF-8'; 80 81 public static function mb_convert_encoding($s, $toEncoding, $fromEncoding = null) 82 { 83 if (\is_array($fromEncoding) || ($fromEncoding !== null && false !== strpos($fromEncoding, ','))) { 84 $fromEncoding = self::mb_detect_encoding($s, $fromEncoding); 85 } else { 86 $fromEncoding = self::getEncoding($fromEncoding); 87 } 88 89 $toEncoding = self::getEncoding($toEncoding); 90 91 if ('BASE64' === $fromEncoding) { 92 $s = base64_decode($s); 93 $fromEncoding = $toEncoding; 94 } 95 96 if ('BASE64' === $toEncoding) { 97 return base64_encode($s); 98 } 99 100 if ('HTML-ENTITIES' === $toEncoding || 'HTML' === $toEncoding) { 101 if ('HTML-ENTITIES' === $fromEncoding || 'HTML' === $fromEncoding) { 102 $fromEncoding = 'Windows-1252'; 103 } 104 if ('UTF-8' !== $fromEncoding) { 105 $s = \iconv($fromEncoding, 'UTF-8//IGNORE', $s); 106 } 107 108 return preg_replace_callback('/[\x80-\xFF]+/', [__CLASS__, 'html_encoding_callback'], $s); 109 } 110 111 if ('HTML-ENTITIES' === $fromEncoding) { 112 $s = html_entity_decode($s, \ENT_COMPAT, 'UTF-8'); 113 $fromEncoding = 'UTF-8'; 114 } 115 116 return \iconv($fromEncoding, $toEncoding.'//IGNORE', $s); 117 } 118 119 public static function mb_convert_variables($toEncoding, $fromEncoding, &...$vars) 120 { 121 $ok = true; 122 array_walk_recursive($vars, function (&$v) use (&$ok, $toEncoding, $fromEncoding) { 123 if (false === $v = self::mb_convert_encoding($v, $toEncoding, $fromEncoding)) { 124 $ok = false; 125 } 126 }); 127 128 return $ok ? $fromEncoding : false; 129 } 130 131 public static function mb_decode_mimeheader($s) 132 { 133 return \iconv_mime_decode($s, 2, self::$internalEncoding); 134 } 135 136 public static function mb_encode_mimeheader($s, $charset = null, $transferEncoding = null, $linefeed = null, $indent = null) 137 { 138 trigger_error('mb_encode_mimeheader() is bugged. Please use iconv_mime_encode() instead', \E_USER_WARNING); 139 } 140 141 public static function mb_decode_numericentity($s, $convmap, $encoding = null) 142 { 143 if (null !== $s && !is_scalar($s) && !(\is_object($s) && method_exists($s, '__toString'))) { 144 trigger_error('mb_decode_numericentity() expects parameter 1 to be string, '.\gettype($s).' given', \E_USER_WARNING); 145 146 return null; 147 } 148 149 if (!\is_array($convmap) || (80000 > \PHP_VERSION_ID && !$convmap)) { 150 return false; 151 } 152 153 if (null !== $encoding && !is_scalar($encoding)) { 154 trigger_error('mb_decode_numericentity() expects parameter 3 to be string, '.\gettype($s).' given', \E_USER_WARNING); 155 156 return ''; // Instead of null (cf. mb_encode_numericentity). 157 } 158 159 $s = (string) $s; 160 if ('' === $s) { 161 return ''; 162 } 163 164 $encoding = self::getEncoding($encoding); 165 166 if ('UTF-8' === $encoding) { 167 $encoding = null; 168 if (!preg_match('//u', $s)) { 169 $s = @\iconv('UTF-8', 'UTF-8//IGNORE', $s); 170 } 171 } else { 172 $s = \iconv($encoding, 'UTF-8//IGNORE', $s); 173 } 174 175 $cnt = floor(\count($convmap) / 4) * 4; 176 177 for ($i = 0; $i < $cnt; $i += 4) { 178 // collector_decode_htmlnumericentity ignores $convmap[$i + 3] 179 $convmap[$i] += $convmap[$i + 2]; 180 $convmap[$i + 1] += $convmap[$i + 2]; 181 } 182 183 $s = preg_replace_callback('/&#(?:0*([0-9]+)|x0*([0-9a-fA-F]+))(?!&);?/', function (array $m) use ($cnt, $convmap) { 184 $c = isset($m[2]) ? (int) hexdec($m[2]) : $m[1]; 185 for ($i = 0; $i < $cnt; $i += 4) { 186 if ($c >= $convmap[$i] && $c <= $convmap[$i + 1]) { 187 return self::mb_chr($c - $convmap[$i + 2]); 188 } 189 } 190 191 return $m[0]; 192 }, $s); 193 194 if (null === $encoding) { 195 return $s; 196 } 197 198 return \iconv('UTF-8', $encoding.'//IGNORE', $s); 199 } 200 201 public static function mb_encode_numericentity($s, $convmap, $encoding = null, $is_hex = false) 202 { 203 if (null !== $s && !is_scalar($s) && !(\is_object($s) && method_exists($s, '__toString'))) { 204 trigger_error('mb_encode_numericentity() expects parameter 1 to be string, '.\gettype($s).' given', \E_USER_WARNING); 205 206 return null; 207 } 208 209 if (!\is_array($convmap) || (80000 > \PHP_VERSION_ID && !$convmap)) { 210 return false; 211 } 212 213 if (null !== $encoding && !is_scalar($encoding)) { 214 trigger_error('mb_encode_numericentity() expects parameter 3 to be string, '.\gettype($s).' given', \E_USER_WARNING); 215 216 return null; // Instead of '' (cf. mb_decode_numericentity). 217 } 218 219 if (null !== $is_hex && !is_scalar($is_hex)) { 220 trigger_error('mb_encode_numericentity() expects parameter 4 to be boolean, '.\gettype($s).' given', \E_USER_WARNING); 221 222 return null; 223 } 224 225 $s = (string) $s; 226 if ('' === $s) { 227 return ''; 228 } 229 230 $encoding = self::getEncoding($encoding); 231 232 if ('UTF-8' === $encoding) { 233 $encoding = null; 234 if (!preg_match('//u', $s)) { 235 $s = @\iconv('UTF-8', 'UTF-8//IGNORE', $s); 236 } 237 } else { 238 $s = \iconv($encoding, 'UTF-8//IGNORE', $s); 239 } 240 241 static $ulenMask = ["\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4]; 242 243 $cnt = floor(\count($convmap) / 4) * 4; 244 $i = 0; 245 $len = \strlen($s); 246 $result = ''; 247 248 while ($i < $len) { 249 $ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xF0"]; 250 $uchr = substr($s, $i, $ulen); 251 $i += $ulen; 252 $c = self::mb_ord($uchr); 253 254 for ($j = 0; $j < $cnt; $j += 4) { 255 if ($c >= $convmap[$j] && $c <= $convmap[$j + 1]) { 256 $cOffset = ($c + $convmap[$j + 2]) & $convmap[$j + 3]; 257 $result .= $is_hex ? sprintf('&#x%X;', $cOffset) : '&#'.$cOffset.';'; 258 continue 2; 259 } 260 } 261 $result .= $uchr; 262 } 263 264 if (null === $encoding) { 265 return $result; 266 } 267 268 return \iconv('UTF-8', $encoding.'//IGNORE', $result); 269 } 270 271 public static function mb_convert_case($s, $mode, $encoding = null) 272 { 273 $s = (string) $s; 274 if ('' === $s) { 275 return ''; 276 } 277 278 $encoding = self::getEncoding($encoding); 279 280 if ('UTF-8' === $encoding) { 281 $encoding = null; 282 if (!preg_match('//u', $s)) { 283 $s = @\iconv('UTF-8', 'UTF-8//IGNORE', $s); 284 } 285 } else { 286 $s = \iconv($encoding, 'UTF-8//IGNORE', $s); 287 } 288 289 if (\MB_CASE_TITLE == $mode) { 290 static $titleRegexp = null; 291 if (null === $titleRegexp) { 292 $titleRegexp = self::getData('titleCaseRegexp'); 293 } 294 $s = preg_replace_callback($titleRegexp, [__CLASS__, 'title_case'], $s); 295 } else { 296 if (\MB_CASE_UPPER == $mode) { 297 static $upper = null; 298 if (null === $upper) { 299 $upper = self::getData('upperCase'); 300 } 301 $map = $upper; 302 } else { 303 if (self::MB_CASE_FOLD === $mode) { 304 $s = str_replace(self::CASE_FOLD[0], self::CASE_FOLD[1], $s); 305 } 306 307 static $lower = null; 308 if (null === $lower) { 309 $lower = self::getData('lowerCase'); 310 } 311 $map = $lower; 312 } 313 314 static $ulenMask = ["\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4]; 315 316 $i = 0; 317 $len = \strlen($s); 318 319 while ($i < $len) { 320 $ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xF0"]; 321 $uchr = substr($s, $i, $ulen); 322 $i += $ulen; 323 324 if (isset($map[$uchr])) { 325 $uchr = $map[$uchr]; 326 $nlen = \strlen($uchr); 327 328 if ($nlen == $ulen) { 329 $nlen = $i; 330 do { 331 $s[--$nlen] = $uchr[--$ulen]; 332 } while ($ulen); 333 } else { 334 $s = substr_replace($s, $uchr, $i - $ulen, $ulen); 335 $len += $nlen - $ulen; 336 $i += $nlen - $ulen; 337 } 338 } 339 } 340 } 341 342 if (null === $encoding) { 343 return $s; 344 } 345 346 return \iconv('UTF-8', $encoding.'//IGNORE', $s); 347 } 348 349 public static function mb_internal_encoding($encoding = null) 350 { 351 if (null === $encoding) { 352 return self::$internalEncoding; 353 } 354 355 $normalizedEncoding = self::getEncoding($encoding); 356 357 if ('UTF-8' === $normalizedEncoding || false !== @\iconv($normalizedEncoding, $normalizedEncoding, ' ')) { 358 self::$internalEncoding = $normalizedEncoding; 359 360 return true; 361 } 362 363 if (80000 > \PHP_VERSION_ID) { 364 return false; 365 } 366 367 throw new \ValueError(sprintf('Argument #1 ($encoding) must be a valid encoding, "%s" given', $encoding)); 368 } 369 370 public static function mb_language($lang = null) 371 { 372 if (null === $lang) { 373 return self::$language; 374 } 375 376 switch ($normalizedLang = strtolower($lang)) { 377 case 'uni': 378 case 'neutral': 379 self::$language = $normalizedLang; 380 381 return true; 382 } 383 384 if (80000 > \PHP_VERSION_ID) { 385 return false; 386 } 387 388 throw new \ValueError(sprintf('Argument #1 ($language) must be a valid language, "%s" given', $lang)); 389 } 390 391 public static function mb_list_encodings() 392 { 393 return ['UTF-8']; 394 } 395 396 public static function mb_encoding_aliases($encoding) 397 { 398 switch (strtoupper($encoding)) { 399 case 'UTF8': 400 case 'UTF-8': 401 return ['utf8']; 402 } 403 404 return false; 405 } 406 407 public static function mb_check_encoding($var = null, $encoding = null) 408 { 409 if (null === $encoding) { 410 if (null === $var) { 411 return false; 412 } 413 $encoding = self::$internalEncoding; 414 } 415 416 return self::mb_detect_encoding($var, [$encoding]) || false !== @\iconv($encoding, $encoding, $var); 417 } 418 419 public static function mb_detect_encoding($str, $encodingList = null, $strict = false) 420 { 421 if (null === $encodingList) { 422 $encodingList = self::$encodingList; 423 } else { 424 if (!\is_array($encodingList)) { 425 $encodingList = array_map('trim', explode(',', $encodingList)); 426 } 427 $encodingList = array_map('strtoupper', $encodingList); 428 } 429 430 foreach ($encodingList as $enc) { 431 switch ($enc) { 432 case 'ASCII': 433 if (!preg_match('/[\x80-\xFF]/', $str)) { 434 return $enc; 435 } 436 break; 437 438 case 'UTF8': 439 case 'UTF-8': 440 if (preg_match('//u', $str)) { 441 return 'UTF-8'; 442 } 443 break; 444 445 default: 446 if (0 === strncmp($enc, 'ISO-8859-', 9)) { 447 return $enc; 448 } 449 } 450 } 451 452 return false; 453 } 454 455 public static function mb_detect_order($encodingList = null) 456 { 457 if (null === $encodingList) { 458 return self::$encodingList; 459 } 460 461 if (!\is_array($encodingList)) { 462 $encodingList = array_map('trim', explode(',', $encodingList)); 463 } 464 $encodingList = array_map('strtoupper', $encodingList); 465 466 foreach ($encodingList as $enc) { 467 switch ($enc) { 468 default: 469 if (strncmp($enc, 'ISO-8859-', 9)) { 470 return false; 471 } 472 // no break 473 case 'ASCII': 474 case 'UTF8': 475 case 'UTF-8': 476 } 477 } 478 479 self::$encodingList = $encodingList; 480 481 return true; 482 } 483 484 public static function mb_strlen($s, $encoding = null) 485 { 486 $encoding = self::getEncoding($encoding); 487 if ('CP850' === $encoding || 'ASCII' === $encoding) { 488 return \strlen($s); 489 } 490 491 return @\iconv_strlen($s, $encoding); 492 } 493 494 public static function mb_strpos($haystack, $needle, $offset = 0, $encoding = null) 495 { 496 $encoding = self::getEncoding($encoding); 497 if ('CP850' === $encoding || 'ASCII' === $encoding) { 498 return strpos($haystack, $needle, $offset); 499 } 500 501 $needle = (string) $needle; 502 if ('' === $needle) { 503 if (80000 > \PHP_VERSION_ID) { 504 trigger_error(__METHOD__.': Empty delimiter', \E_USER_WARNING); 505 506 return false; 507 } 508 509 return 0; 510 } 511 512 return \iconv_strpos($haystack, $needle, $offset, $encoding); 513 } 514 515 public static function mb_strrpos($haystack, $needle, $offset = 0, $encoding = null) 516 { 517 $encoding = self::getEncoding($encoding); 518 if ('CP850' === $encoding || 'ASCII' === $encoding) { 519 return strrpos($haystack, $needle, $offset); 520 } 521 522 if ($offset != (int) $offset) { 523 $offset = 0; 524 } elseif ($offset = (int) $offset) { 525 if ($offset < 0) { 526 if (0 > $offset += self::mb_strlen($needle)) { 527 $haystack = self::mb_substr($haystack, 0, $offset, $encoding); 528 } 529 $offset = 0; 530 } else { 531 $haystack = self::mb_substr($haystack, $offset, 2147483647, $encoding); 532 } 533 } 534 535 $pos = '' !== $needle || 80000 > \PHP_VERSION_ID 536 ? \iconv_strrpos($haystack, $needle, $encoding) 537 : self::mb_strlen($haystack, $encoding); 538 539 return false !== $pos ? $offset + $pos : false; 540 } 541 542 public static function mb_str_split($string, $split_length = 1, $encoding = null) 543 { 544 if (null !== $string && !is_scalar($string) && !(\is_object($string) && method_exists($string, '__toString'))) { 545 trigger_error('mb_str_split() expects parameter 1 to be string, '.\gettype($string).' given', \E_USER_WARNING); 546 547 return null; 548 } 549 550 if (1 > $split_length = (int) $split_length) { 551 if (80000 > \PHP_VERSION_ID) { 552 trigger_error('The length of each segment must be greater than zero', \E_USER_WARNING); 553 return false; 554 } 555 556 throw new \ValueError('Argument #2 ($length) must be greater than 0'); 557 } 558 559 if (null === $encoding) { 560 $encoding = mb_internal_encoding(); 561 } 562 563 if ('UTF-8' === $encoding = self::getEncoding($encoding)) { 564 $rx = '/('; 565 while (65535 < $split_length) { 566 $rx .= '.{65535}'; 567 $split_length -= 65535; 568 } 569 $rx .= '.{'.$split_length.'})/us'; 570 571 return preg_split($rx, $string, null, \PREG_SPLIT_DELIM_CAPTURE | \PREG_SPLIT_NO_EMPTY); 572 } 573 574 $result = []; 575 $length = mb_strlen($string, $encoding); 576 577 for ($i = 0; $i < $length; $i += $split_length) { 578 $result[] = mb_substr($string, $i, $split_length, $encoding); 579 } 580 581 return $result; 582 } 583 584 public static function mb_strtolower($s, $encoding = null) 585 { 586 return self::mb_convert_case($s, \MB_CASE_LOWER, $encoding); 587 } 588 589 public static function mb_strtoupper($s, $encoding = null) 590 { 591 return self::mb_convert_case($s, \MB_CASE_UPPER, $encoding); 592 } 593 594 public static function mb_substitute_character($c = null) 595 { 596 if (null === $c) { 597 return 'none'; 598 } 599 if (0 === strcasecmp($c, 'none')) { 600 return true; 601 } 602 if (80000 > \PHP_VERSION_ID) { 603 return false; 604 } 605 if (\is_int($c) || 'long' === $c || 'entity' === $c) { 606 return false; 607 } 608 609 throw new \ValueError('Argument #1 ($substitute_character) must be "none", "long", "entity" or a valid codepoint'); 610 } 611 612 public static function mb_substr($s, $start, $length = null, $encoding = null) 613 { 614 $encoding = self::getEncoding($encoding); 615 if ('CP850' === $encoding || 'ASCII' === $encoding) { 616 return (string) substr($s, $start, null === $length ? 2147483647 : $length); 617 } 618 619 if ($start < 0) { 620 $start = \iconv_strlen($s, $encoding) + $start; 621 if ($start < 0) { 622 $start = 0; 623 } 624 } 625 626 if (null === $length) { 627 $length = 2147483647; 628 } elseif ($length < 0) { 629 $length = \iconv_strlen($s, $encoding) + $length - $start; 630 if ($length < 0) { 631 return ''; 632 } 633 } 634 635 return (string) \iconv_substr($s, $start, $length, $encoding); 636 } 637 638 public static function mb_stripos($haystack, $needle, $offset = 0, $encoding = null) 639 { 640 $haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); 641 $needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); 642 643 return self::mb_strpos($haystack, $needle, $offset, $encoding); 644 } 645 646 public static function mb_stristr($haystack, $needle, $part = false, $encoding = null) 647 { 648 $pos = self::mb_stripos($haystack, $needle, 0, $encoding); 649 650 return self::getSubpart($pos, $part, $haystack, $encoding); 651 } 652 653 public static function mb_strrchr($haystack, $needle, $part = false, $encoding = null) 654 { 655 $encoding = self::getEncoding($encoding); 656 if ('CP850' === $encoding || 'ASCII' === $encoding) { 657 $pos = strrpos($haystack, $needle); 658 } else { 659 $needle = self::mb_substr($needle, 0, 1, $encoding); 660 $pos = \iconv_strrpos($haystack, $needle, $encoding); 661 } 662 663 return self::getSubpart($pos, $part, $haystack, $encoding); 664 } 665 666 public static function mb_strrichr($haystack, $needle, $part = false, $encoding = null) 667 { 668 $needle = self::mb_substr($needle, 0, 1, $encoding); 669 $pos = self::mb_strripos($haystack, $needle, $encoding); 670 671 return self::getSubpart($pos, $part, $haystack, $encoding); 672 } 673 674 public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = null) 675 { 676 $haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); 677 $needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); 678 679 return self::mb_strrpos($haystack, $needle, $offset, $encoding); 680 } 681 682 public static function mb_strstr($haystack, $needle, $part = false, $encoding = null) 683 { 684 $pos = strpos($haystack, $needle); 685 if (false === $pos) { 686 return false; 687 } 688 if ($part) { 689 return substr($haystack, 0, $pos); 690 } 691 692 return substr($haystack, $pos); 693 } 694 695 public static function mb_get_info($type = 'all') 696 { 697 $info = [ 698 'internal_encoding' => self::$internalEncoding, 699 'http_output' => 'pass', 700 'http_output_conv_mimetypes' => '^(text/|application/xhtml\+xml)', 701 'func_overload' => 0, 702 'func_overload_list' => 'no overload', 703 'mail_charset' => 'UTF-8', 704 'mail_header_encoding' => 'BASE64', 705 'mail_body_encoding' => 'BASE64', 706 'illegal_chars' => 0, 707 'encoding_translation' => 'Off', 708 'language' => self::$language, 709 'detect_order' => self::$encodingList, 710 'substitute_character' => 'none', 711 'strict_detection' => 'Off', 712 ]; 713 714 if ('all' === $type) { 715 return $info; 716 } 717 if (isset($info[$type])) { 718 return $info[$type]; 719 } 720 721 return false; 722 } 723 724 public static function mb_http_input($type = '') 725 { 726 return false; 727 } 728 729 public static function mb_http_output($encoding = null) 730 { 731 return null !== $encoding ? 'pass' === $encoding : 'pass'; 732 } 733 734 public static function mb_strwidth($s, $encoding = null) 735 { 736 $encoding = self::getEncoding($encoding); 737 738 if ('UTF-8' !== $encoding) { 739 $s = \iconv($encoding, 'UTF-8//IGNORE', $s); 740 } 741 742 $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, $wide); 743 744 return ($wide << 1) + \iconv_strlen($s, 'UTF-8'); 745 } 746 747 public static function mb_substr_count($haystack, $needle, $encoding = null) 748 { 749 return substr_count($haystack, $needle); 750 } 751 752 public static function mb_output_handler($contents, $status) 753 { 754 return $contents; 755 } 756 757 public static function mb_chr($code, $encoding = null) 758 { 759 if (0x80 > $code %= 0x200000) { 760 $s = \chr($code); 761 } elseif (0x800 > $code) { 762 $s = \chr(0xC0 | $code >> 6).\chr(0x80 | $code & 0x3F); 763 } elseif (0x10000 > $code) { 764 $s = \chr(0xE0 | $code >> 12).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); 765 } else { 766 $s = \chr(0xF0 | $code >> 18).\chr(0x80 | $code >> 12 & 0x3F).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); 767 } 768 769 if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { 770 $s = mb_convert_encoding($s, $encoding, 'UTF-8'); 771 } 772 773 return $s; 774 } 775 776 public static function mb_ord($s, $encoding = null) 777 { 778 if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { 779 $s = mb_convert_encoding($s, 'UTF-8', $encoding); 780 } 781 782 if (1 === \strlen($s)) { 783 return \ord($s); 784 } 785 786 $code = ($s = unpack('C*', substr($s, 0, 4))) ? $s[1] : 0; 787 if (0xF0 <= $code) { 788 return (($code - 0xF0) << 18) + (($s[2] - 0x80) << 12) + (($s[3] - 0x80) << 6) + $s[4] - 0x80; 789 } 790 if (0xE0 <= $code) { 791 return (($code - 0xE0) << 12) + (($s[2] - 0x80) << 6) + $s[3] - 0x80; 792 } 793 if (0xC0 <= $code) { 794 return (($code - 0xC0) << 6) + $s[2] - 0x80; 795 } 796 797 return $code; 798 } 799 800 private static function getSubpart($pos, $part, $haystack, $encoding) 801 { 802 if (false === $pos) { 803 return false; 804 } 805 if ($part) { 806 return self::mb_substr($haystack, 0, $pos, $encoding); 807 } 808 809 return self::mb_substr($haystack, $pos, null, $encoding); 810 } 811 812 private static function html_encoding_callback(array $m) 813 { 814 $i = 1; 815 $entities = ''; 816 $m = unpack('C*', htmlentities($m[0], \ENT_COMPAT, 'UTF-8')); 817 818 while (isset($m[$i])) { 819 if (0x80 > $m[$i]) { 820 $entities .= \chr($m[$i++]); 821 continue; 822 } 823 if (0xF0 <= $m[$i]) { 824 $c = (($m[$i++] - 0xF0) << 18) + (($m[$i++] - 0x80) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; 825 } elseif (0xE0 <= $m[$i]) { 826 $c = (($m[$i++] - 0xE0) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; 827 } else { 828 $c = (($m[$i++] - 0xC0) << 6) + $m[$i++] - 0x80; 829 } 830 831 $entities .= '&#'.$c.';'; 832 } 833 834 return $entities; 835 } 836 837 private static function title_case(array $s) 838 { 839 return self::mb_convert_case($s[1], \MB_CASE_UPPER, 'UTF-8').self::mb_convert_case($s[2], \MB_CASE_LOWER, 'UTF-8'); 840 } 841 842 private static function getData($file) 843 { 844 if (file_exists($file = __DIR__.'/Resources/unidata/'.$file.'.php')) { 845 return require $file; 846 } 847 848 return false; 849 } 850 851 private static function getEncoding($encoding) 852 { 853 if (null === $encoding) { 854 return self::$internalEncoding; 855 } 856 857 if ('UTF-8' === $encoding) { 858 return 'UTF-8'; 859 } 860 861 $encoding = strtoupper($encoding); 862 863 if ('8BIT' === $encoding || 'BINARY' === $encoding) { 864 return 'CP850'; 865 } 866 867 if ('UTF8' === $encoding) { 868 return 'UTF-8'; 869 } 870 871 return $encoding; 872 } 873 }
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