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1 <?php 2 3 /** 4 * PHPExcel_Shared_String 5 * 6 * Copyright (c) 2006 - 2015 PHPExcel 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with this library; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 * 22 * @category PHPExcel 23 * @package PHPExcel_Shared 24 * @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel) 25 * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL 26 * @version ##VERSION##, ##DATE## 27 */ 28 class PHPExcel_Shared_String 29 { 30 /** Constants */ 31 /** Regular Expressions */ 32 // Fraction 33 const STRING_REGEXP_FRACTION = '(-?)(\d+)\s+(\d+\/\d+)'; 34 35 36 /** 37 * Control characters array 38 * 39 * @var string[] 40 */ 41 private static $controlCharacters = array(); 42 43 /** 44 * SYLK Characters array 45 * 46 * $var array 47 */ 48 private static $SYLKCharacters = array(); 49 50 /** 51 * Decimal separator 52 * 53 * @var string 54 */ 55 private static $decimalSeparator; 56 57 /** 58 * Thousands separator 59 * 60 * @var string 61 */ 62 private static $thousandsSeparator; 63 64 /** 65 * Currency code 66 * 67 * @var string 68 */ 69 private static $currencyCode; 70 71 /** 72 * Is mbstring extension avalable? 73 * 74 * @var boolean 75 */ 76 private static $isMbstringEnabled; 77 78 /** 79 * Is iconv extension avalable? 80 * 81 * @var boolean 82 */ 83 private static $isIconvEnabled; 84 85 /** 86 * Build control characters array 87 */ 88 private static function buildControlCharacters() 89 { 90 for ($i = 0; $i <= 31; ++$i) { 91 if ($i != 9 && $i != 10 && $i != 13) { 92 $find = '_x' . sprintf('%04s', strtoupper(dechex($i))) . '_'; 93 $replace = chr($i); 94 self::$controlCharacters[$find] = $replace; 95 } 96 } 97 } 98 99 /** 100 * Build SYLK characters array 101 */ 102 private static function buildSYLKCharacters() 103 { 104 self::$SYLKCharacters = array( 105 "\x1B 0" => chr(0), 106 "\x1B 1" => chr(1), 107 "\x1B 2" => chr(2), 108 "\x1B 3" => chr(3), 109 "\x1B 4" => chr(4), 110 "\x1B 5" => chr(5), 111 "\x1B 6" => chr(6), 112 "\x1B 7" => chr(7), 113 "\x1B 8" => chr(8), 114 "\x1B 9" => chr(9), 115 "\x1B :" => chr(10), 116 "\x1B ;" => chr(11), 117 "\x1B <" => chr(12), 118 "\x1B :" => chr(13), 119 "\x1B >" => chr(14), 120 "\x1B ?" => chr(15), 121 "\x1B!0" => chr(16), 122 "\x1B!1" => chr(17), 123 "\x1B!2" => chr(18), 124 "\x1B!3" => chr(19), 125 "\x1B!4" => chr(20), 126 "\x1B!5" => chr(21), 127 "\x1B!6" => chr(22), 128 "\x1B!7" => chr(23), 129 "\x1B!8" => chr(24), 130 "\x1B!9" => chr(25), 131 "\x1B!:" => chr(26), 132 "\x1B!;" => chr(27), 133 "\x1B!<" => chr(28), 134 "\x1B!=" => chr(29), 135 "\x1B!>" => chr(30), 136 "\x1B!?" => chr(31), 137 "\x1B'?" => chr(127), 138 "\x1B(0" => '€', // 128 in CP1252 139 "\x1B(2" => '‚', // 130 in CP1252 140 "\x1B(3" => 'ƒ', // 131 in CP1252 141 "\x1B(4" => '„', // 132 in CP1252 142 "\x1B(5" => '…', // 133 in CP1252 143 "\x1B(6" => '†', // 134 in CP1252 144 "\x1B(7" => '‡', // 135 in CP1252 145 "\x1B(8" => 'ˆ', // 136 in CP1252 146 "\x1B(9" => '‰', // 137 in CP1252 147 "\x1B(:" => 'Š', // 138 in CP1252 148 "\x1B(;" => '‹', // 139 in CP1252 149 "\x1BNj" => 'Œ', // 140 in CP1252 150 "\x1B(>" => 'Ž', // 142 in CP1252 151 "\x1B)1" => '‘', // 145 in CP1252 152 "\x1B)2" => '’', // 146 in CP1252 153 "\x1B)3" => '“', // 147 in CP1252 154 "\x1B)4" => '”', // 148 in CP1252 155 "\x1B)5" => '•', // 149 in CP1252 156 "\x1B)6" => '–', // 150 in CP1252 157 "\x1B)7" => '—', // 151 in CP1252 158 "\x1B)8" => '˜', // 152 in CP1252 159 "\x1B)9" => '™', // 153 in CP1252 160 "\x1B):" => 'š', // 154 in CP1252 161 "\x1B);" => '›', // 155 in CP1252 162 "\x1BNz" => 'œ', // 156 in CP1252 163 "\x1B)>" => 'ž', // 158 in CP1252 164 "\x1B)?" => 'Ÿ', // 159 in CP1252 165 "\x1B*0" => ' ', // 160 in CP1252 166 "\x1BN!" => '¡', // 161 in CP1252 167 "\x1BN\"" => '¢', // 162 in CP1252 168 "\x1BN#" => '£', // 163 in CP1252 169 "\x1BN(" => '¤', // 164 in CP1252 170 "\x1BN%" => '¥', // 165 in CP1252 171 "\x1B*6" => '¦', // 166 in CP1252 172 "\x1BN'" => '§', // 167 in CP1252 173 "\x1BNH " => '¨', // 168 in CP1252 174 "\x1BNS" => '©', // 169 in CP1252 175 "\x1BNc" => 'ª', // 170 in CP1252 176 "\x1BN+" => '«', // 171 in CP1252 177 "\x1B*<" => '¬', // 172 in CP1252 178 "\x1B*=" => '', // 173 in CP1252 179 "\x1BNR" => '®', // 174 in CP1252 180 "\x1B*?" => '¯', // 175 in CP1252 181 "\x1BN0" => '°', // 176 in CP1252 182 "\x1BN1" => '±', // 177 in CP1252 183 "\x1BN2" => '²', // 178 in CP1252 184 "\x1BN3" => '³', // 179 in CP1252 185 "\x1BNB " => '´', // 180 in CP1252 186 "\x1BN5" => 'µ', // 181 in CP1252 187 "\x1BN6" => '¶', // 182 in CP1252 188 "\x1BN7" => '·', // 183 in CP1252 189 "\x1B+8" => '¸', // 184 in CP1252 190 "\x1BNQ" => '¹', // 185 in CP1252 191 "\x1BNk" => 'º', // 186 in CP1252 192 "\x1BN;" => '»', // 187 in CP1252 193 "\x1BN<" => '¼', // 188 in CP1252 194 "\x1BN=" => '½', // 189 in CP1252 195 "\x1BN>" => '¾', // 190 in CP1252 196 "\x1BN?" => '¿', // 191 in CP1252 197 "\x1BNAA" => 'À', // 192 in CP1252 198 "\x1BNBA" => 'Á', // 193 in CP1252 199 "\x1BNCA" => 'Â', // 194 in CP1252 200 "\x1BNDA" => 'Ã', // 195 in CP1252 201 "\x1BNHA" => 'Ä', // 196 in CP1252 202 "\x1BNJA" => 'Å', // 197 in CP1252 203 "\x1BNa" => 'Æ', // 198 in CP1252 204 "\x1BNKC" => 'Ç', // 199 in CP1252 205 "\x1BNAE" => 'È', // 200 in CP1252 206 "\x1BNBE" => 'É', // 201 in CP1252 207 "\x1BNCE" => 'Ê', // 202 in CP1252 208 "\x1BNHE" => 'Ë', // 203 in CP1252 209 "\x1BNAI" => 'Ì', // 204 in CP1252 210 "\x1BNBI" => 'Í', // 205 in CP1252 211 "\x1BNCI" => 'Î', // 206 in CP1252 212 "\x1BNHI" => 'Ï', // 207 in CP1252 213 "\x1BNb" => 'Ð', // 208 in CP1252 214 "\x1BNDN" => 'Ñ', // 209 in CP1252 215 "\x1BNAO" => 'Ò', // 210 in CP1252 216 "\x1BNBO" => 'Ó', // 211 in CP1252 217 "\x1BNCO" => 'Ô', // 212 in CP1252 218 "\x1BNDO" => 'Õ', // 213 in CP1252 219 "\x1BNHO" => 'Ö', // 214 in CP1252 220 "\x1B-7" => '×', // 215 in CP1252 221 "\x1BNi" => 'Ø', // 216 in CP1252 222 "\x1BNAU" => 'Ù', // 217 in CP1252 223 "\x1BNBU" => 'Ú', // 218 in CP1252 224 "\x1BNCU" => 'Û', // 219 in CP1252 225 "\x1BNHU" => 'Ü', // 220 in CP1252 226 "\x1B-=" => 'Ý', // 221 in CP1252 227 "\x1BNl" => 'Þ', // 222 in CP1252 228 "\x1BN{" => 'ß', // 223 in CP1252 229 "\x1BNAa" => 'à', // 224 in CP1252 230 "\x1BNBa" => 'á', // 225 in CP1252 231 "\x1BNCa" => 'â', // 226 in CP1252 232 "\x1BNDa" => 'ã', // 227 in CP1252 233 "\x1BNHa" => 'ä', // 228 in CP1252 234 "\x1BNJa" => 'å', // 229 in CP1252 235 "\x1BNq" => 'æ', // 230 in CP1252 236 "\x1BNKc" => 'ç', // 231 in CP1252 237 "\x1BNAe" => 'è', // 232 in CP1252 238 "\x1BNBe" => 'é', // 233 in CP1252 239 "\x1BNCe" => 'ê', // 234 in CP1252 240 "\x1BNHe" => 'ë', // 235 in CP1252 241 "\x1BNAi" => 'ì', // 236 in CP1252 242 "\x1BNBi" => 'í', // 237 in CP1252 243 "\x1BNCi" => 'î', // 238 in CP1252 244 "\x1BNHi" => 'ï', // 239 in CP1252 245 "\x1BNs" => 'ð', // 240 in CP1252 246 "\x1BNDn" => 'ñ', // 241 in CP1252 247 "\x1BNAo" => 'ò', // 242 in CP1252 248 "\x1BNBo" => 'ó', // 243 in CP1252 249 "\x1BNCo" => 'ô', // 244 in CP1252 250 "\x1BNDo" => 'õ', // 245 in CP1252 251 "\x1BNHo" => 'ö', // 246 in CP1252 252 "\x1B/7" => '÷', // 247 in CP1252 253 "\x1BNy" => 'ø', // 248 in CP1252 254 "\x1BNAu" => 'ù', // 249 in CP1252 255 "\x1BNBu" => 'ú', // 250 in CP1252 256 "\x1BNCu" => 'û', // 251 in CP1252 257 "\x1BNHu" => 'ü', // 252 in CP1252 258 "\x1B/=" => 'ý', // 253 in CP1252 259 "\x1BN|" => 'þ', // 254 in CP1252 260 "\x1BNHy" => 'ÿ', // 255 in CP1252 261 ); 262 } 263 264 /** 265 * Get whether mbstring extension is available 266 * 267 * @return boolean 268 */ 269 public static function getIsMbstringEnabled() 270 { 271 if (isset(self::$isMbstringEnabled)) { 272 return self::$isMbstringEnabled; 273 } 274 275 self::$isMbstringEnabled = function_exists('mb_convert_encoding') ? 276 true : false; 277 278 return self::$isMbstringEnabled; 279 } 280 281 /** 282 * Get whether iconv extension is available 283 * 284 * @return boolean 285 */ 286 public static function getIsIconvEnabled() 287 { 288 if (isset(self::$isIconvEnabled)) { 289 return self::$isIconvEnabled; 290 } 291 292 // Fail if iconv doesn't exist 293 if (!function_exists('iconv')) { 294 self::$isIconvEnabled = false; 295 return false; 296 } 297 298 // Sometimes iconv is not working, and e.g. iconv('UTF-8', 'UTF-16LE', 'x') just returns false, 299 if (!@iconv('UTF-8', 'UTF-16LE', 'x')) { 300 self::$isIconvEnabled = false; 301 return false; 302 } 303 304 // Sometimes iconv_substr('A', 0, 1, 'UTF-8') just returns false in PHP 5.2.0 305 // we cannot use iconv in that case either (http://bugs.php.net/bug.php?id=37773) 306 if (!@iconv_substr('A', 0, 1, 'UTF-8')) { 307 self::$isIconvEnabled = false; 308 return false; 309 } 310 311 // CUSTOM: IBM AIX iconv() does not work 312 if (defined('PHP_OS') && @stristr(PHP_OS, 'AIX') && defined('ICONV_IMPL') && (@strcasecmp(ICONV_IMPL, 'unknown') == 0) && defined('ICONV_VERSION') && (@strcasecmp(ICONV_VERSION, 'unknown') == 0)) { 313 self::$isIconvEnabled = false; 314 return false; 315 } 316 317 // If we reach here no problems were detected with iconv 318 self::$isIconvEnabled = true; 319 return true; 320 } 321 322 public static function buildCharacterSets() 323 { 324 if (empty(self::$controlCharacters)) { 325 self::buildControlCharacters(); 326 } 327 if (empty(self::$SYLKCharacters)) { 328 self::buildSYLKCharacters(); 329 } 330 } 331 332 /** 333 * Convert from OpenXML escaped control character to PHP control character 334 * 335 * Excel 2007 team: 336 * ---------------- 337 * That's correct, control characters are stored directly in the shared-strings table. 338 * We do encode characters that cannot be represented in XML using the following escape sequence: 339 * _xHHHH_ where H represents a hexadecimal character in the character's value... 340 * So you could end up with something like _x0008_ in a string (either in a cell value (<v>) 341 * element or in the shared string <t> element. 342 * 343 * @param string $value Value to unescape 344 * @return string 345 */ 346 public static function ControlCharacterOOXML2PHP($value = '') 347 { 348 return str_replace(array_keys(self::$controlCharacters), array_values(self::$controlCharacters), $value); 349 } 350 351 /** 352 * Convert from PHP control character to OpenXML escaped control character 353 * 354 * Excel 2007 team: 355 * ---------------- 356 * That's correct, control characters are stored directly in the shared-strings table. 357 * We do encode characters that cannot be represented in XML using the following escape sequence: 358 * _xHHHH_ where H represents a hexadecimal character in the character's value... 359 * So you could end up with something like _x0008_ in a string (either in a cell value (<v>) 360 * element or in the shared string <t> element. 361 * 362 * @param string $value Value to escape 363 * @return string 364 */ 365 public static function ControlCharacterPHP2OOXML($value = '') 366 { 367 return str_replace(array_values(self::$controlCharacters), array_keys(self::$controlCharacters), $value); 368 } 369 370 /** 371 * Try to sanitize UTF8, stripping invalid byte sequences. Not perfect. Does not surrogate characters. 372 * 373 * @param string $value 374 * @return string 375 */ 376 public static function SanitizeUTF8($value) 377 { 378 if (self::getIsIconvEnabled()) { 379 $value = @iconv('UTF-8', 'UTF-8', $value); 380 return $value; 381 } 382 383 if (self::getIsMbstringEnabled()) { 384 $value = mb_convert_encoding($value, 'UTF-8', 'UTF-8'); 385 return $value; 386 } 387 388 // else, no conversion 389 return $value; 390 } 391 392 /** 393 * Check if a string contains UTF8 data 394 * 395 * @param string $value 396 * @return boolean 397 */ 398 public static function IsUTF8($value = '') 399 { 400 return $value === '' || preg_match('/^./su', $value) === 1; 401 } 402 403 /** 404 * Formats a numeric value as a string for output in various output writers forcing 405 * point as decimal separator in case locale is other than English. 406 * 407 * @param mixed $value 408 * @return string 409 */ 410 public static function FormatNumber($value) 411 { 412 if (is_float($value)) { 413 return str_replace(',', '.', $value); 414 } 415 return (string) $value; 416 } 417 418 /** 419 * Converts a UTF-8 string into BIFF8 Unicode string data (8-bit string length) 420 * Writes the string using uncompressed notation, no rich text, no Asian phonetics 421 * If mbstring extension is not available, ASCII is assumed, and compressed notation is used 422 * although this will give wrong results for non-ASCII strings 423 * see OpenOffice.org's Documentation of the Microsoft Excel File Format, sect. 2.5.3 424 * 425 * @param string $value UTF-8 encoded string 426 * @param mixed[] $arrcRuns Details of rich text runs in $value 427 * @return string 428 */ 429 public static function UTF8toBIFF8UnicodeShort($value, $arrcRuns = array()) 430 { 431 // character count 432 $ln = self::CountCharacters($value, 'UTF-8'); 433 // option flags 434 if (empty($arrcRuns)) { 435 $opt = (self::getIsIconvEnabled() || self::getIsMbstringEnabled()) ? 436 0x0001 : 0x0000; 437 $data = pack('CC', $ln, $opt); 438 // characters 439 $data .= self::ConvertEncoding($value, 'UTF-16LE', 'UTF-8'); 440 } else { 441 $data = pack('vC', $ln, 0x09); 442 $data .= pack('v', count($arrcRuns)); 443 // characters 444 $data .= self::ConvertEncoding($value, 'UTF-16LE', 'UTF-8'); 445 foreach ($arrcRuns as $cRun) { 446 $data .= pack('v', $cRun['strlen']); 447 $data .= pack('v', $cRun['fontidx']); 448 } 449 } 450 return $data; 451 } 452 453 /** 454 * Converts a UTF-8 string into BIFF8 Unicode string data (16-bit string length) 455 * Writes the string using uncompressed notation, no rich text, no Asian phonetics 456 * If mbstring extension is not available, ASCII is assumed, and compressed notation is used 457 * although this will give wrong results for non-ASCII strings 458 * see OpenOffice.org's Documentation of the Microsoft Excel File Format, sect. 2.5.3 459 * 460 * @param string $value UTF-8 encoded string 461 * @return string 462 */ 463 public static function UTF8toBIFF8UnicodeLong($value) 464 { 465 // character count 466 $ln = self::CountCharacters($value, 'UTF-8'); 467 468 // option flags 469 $opt = (self::getIsIconvEnabled() || self::getIsMbstringEnabled()) ? 470 0x0001 : 0x0000; 471 472 // characters 473 $chars = self::ConvertEncoding($value, 'UTF-16LE', 'UTF-8'); 474 475 $data = pack('vC', $ln, $opt) . $chars; 476 return $data; 477 } 478 479 /** 480 * Convert string from one encoding to another. First try mbstring, then iconv, finally strlen 481 * 482 * @param string $value 483 * @param string $to Encoding to convert to, e.g. 'UTF-8' 484 * @param string $from Encoding to convert from, e.g. 'UTF-16LE' 485 * @return string 486 */ 487 public static function ConvertEncoding($value, $to, $from) 488 { 489 if (self::getIsIconvEnabled()) { 490 return iconv($from, $to, $value); 491 } 492 493 if (self::getIsMbstringEnabled()) { 494 return mb_convert_encoding($value, $to, $from); 495 } 496 497 if ($from == 'UTF-16LE') { 498 return self::utf16_decode($value, false); 499 } elseif ($from == 'UTF-16BE') { 500 return self::utf16_decode($value); 501 } 502 // else, no conversion 503 return $value; 504 } 505 506 /** 507 * Decode UTF-16 encoded strings. 508 * 509 * Can handle both BOM'ed data and un-BOM'ed data. 510 * Assumes Big-Endian byte order if no BOM is available. 511 * This function was taken from http://php.net/manual/en/function.utf8-decode.php 512 * and $bom_be parameter added. 513 * 514 * @param string $str UTF-16 encoded data to decode. 515 * @return string UTF-8 / ISO encoded data. 516 * @access public 517 * @version 0.2 / 2010-05-13 518 * @author Rasmus Andersson {@link http://rasmusandersson.se/} 519 * @author vadik56 520 */ 521 public static function utf16_decode($str, $bom_be = true) 522 { 523 if (strlen($str) < 2) { 524 return $str; 525 } 526 $c0 = ord($str{0}); 527 $c1 = ord($str{1}); 528 if ($c0 == 0xfe && $c1 == 0xff) { 529 $str = substr($str, 2); 530 } elseif ($c0 == 0xff && $c1 == 0xfe) { 531 $str = substr($str, 2); 532 $bom_be = false; 533 } 534 $len = strlen($str); 535 $newstr = ''; 536 for ($i=0; $i<$len; $i+=2) { 537 if ($bom_be) { 538 $val = ord($str{$i}) << 4; 539 $val += ord($str{$i+1}); 540 } else { 541 $val = ord($str{$i+1}) << 4; 542 $val += ord($str{$i}); 543 } 544 $newstr .= ($val == 0x228) ? "\n" : chr($val); 545 } 546 return $newstr; 547 } 548 549 /** 550 * Get character count. First try mbstring, then iconv, finally strlen 551 * 552 * @param string $value 553 * @param string $enc Encoding 554 * @return int Character count 555 */ 556 public static function CountCharacters($value, $enc = 'UTF-8') 557 { 558 if (self::getIsMbstringEnabled()) { 559 return mb_strlen($value, $enc); 560 } 561 562 if (self::getIsIconvEnabled()) { 563 return iconv_strlen($value, $enc); 564 } 565 566 // else strlen 567 return strlen($value); 568 } 569 570 /** 571 * Get a substring of a UTF-8 encoded string. First try mbstring, then iconv, finally strlen 572 * 573 * @param string $pValue UTF-8 encoded string 574 * @param int $pStart Start offset 575 * @param int $pLength Maximum number of characters in substring 576 * @return string 577 */ 578 public static function Substring($pValue = '', $pStart = 0, $pLength = 0) 579 { 580 if (self::getIsMbstringEnabled()) { 581 return mb_substr($pValue, $pStart, $pLength, 'UTF-8'); 582 } 583 584 if (self::getIsIconvEnabled()) { 585 return iconv_substr($pValue, $pStart, $pLength, 'UTF-8'); 586 } 587 588 // else substr 589 return substr($pValue, $pStart, $pLength); 590 } 591 592 /** 593 * Convert a UTF-8 encoded string to upper case 594 * 595 * @param string $pValue UTF-8 encoded string 596 * @return string 597 */ 598 public static function StrToUpper($pValue = '') 599 { 600 if (function_exists('mb_convert_case')) { 601 return mb_convert_case($pValue, MB_CASE_UPPER, "UTF-8"); 602 } 603 return strtoupper($pValue); 604 } 605 606 /** 607 * Convert a UTF-8 encoded string to lower case 608 * 609 * @param string $pValue UTF-8 encoded string 610 * @return string 611 */ 612 public static function StrToLower($pValue = '') 613 { 614 if (function_exists('mb_convert_case')) { 615 return mb_convert_case($pValue, MB_CASE_LOWER, "UTF-8"); 616 } 617 return strtolower($pValue); 618 } 619 620 /** 621 * Convert a UTF-8 encoded string to title/proper case 622 * (uppercase every first character in each word, lower case all other characters) 623 * 624 * @param string $pValue UTF-8 encoded string 625 * @return string 626 */ 627 public static function StrToTitle($pValue = '') 628 { 629 if (function_exists('mb_convert_case')) { 630 return mb_convert_case($pValue, MB_CASE_TITLE, "UTF-8"); 631 } 632 return ucwords($pValue); 633 } 634 635 public static function mb_is_upper($char) 636 { 637 return mb_strtolower($char, "UTF-8") != $char; 638 } 639 640 public static function mb_str_split($string) 641 { 642 # Split at all position not after the start: ^ 643 # and not before the end: $ 644 return preg_split('/(?<!^)(?!$)/u', $string); 645 } 646 647 /** 648 * Reverse the case of a string, so that all uppercase characters become lowercase 649 * and all lowercase characters become uppercase 650 * 651 * @param string $pValue UTF-8 encoded string 652 * @return string 653 */ 654 public static function StrCaseReverse($pValue = '') 655 { 656 if (self::getIsMbstringEnabled()) { 657 $characters = self::mb_str_split($pValue); 658 foreach ($characters as &$character) { 659 if (self::mb_is_upper($character)) { 660 $character = mb_strtolower($character, 'UTF-8'); 661 } else { 662 $character = mb_strtoupper($character, 'UTF-8'); 663 } 664 } 665 return implode('', $characters); 666 } 667 return strtolower($pValue) ^ strtoupper($pValue) ^ $pValue; 668 } 669 670 /** 671 * Identify whether a string contains a fractional numeric value, 672 * and convert it to a numeric if it is 673 * 674 * @param string &$operand string value to test 675 * @return boolean 676 */ 677 public static function convertToNumberIfFraction(&$operand) 678 { 679 if (preg_match('/^'.self::STRING_REGEXP_FRACTION.'$/i', $operand, $match)) { 680 $sign = ($match[1] == '-') ? '-' : '+'; 681 $fractionFormula = '='.$sign.$match[2].$sign.$match[3]; 682 $operand = PHPExcel_Calculation::getInstance()->_calculateFormulaValue($fractionFormula); 683 return true; 684 } 685 return false; 686 } // function convertToNumberIfFraction() 687 688 /** 689 * Get the decimal separator. If it has not yet been set explicitly, try to obtain number 690 * formatting information from locale. 691 * 692 * @return string 693 */ 694 public static function getDecimalSeparator() 695 { 696 if (!isset(self::$decimalSeparator)) { 697 $localeconv = localeconv(); 698 self::$decimalSeparator = ($localeconv['decimal_point'] != '') 699 ? $localeconv['decimal_point'] : $localeconv['mon_decimal_point']; 700 701 if (self::$decimalSeparator == '') { 702 // Default to . 703 self::$decimalSeparator = '.'; 704 } 705 } 706 return self::$decimalSeparator; 707 } 708 709 /** 710 * Set the decimal separator. Only used by PHPExcel_Style_NumberFormat::toFormattedString() 711 * to format output by PHPExcel_Writer_HTML and PHPExcel_Writer_PDF 712 * 713 * @param string $pValue Character for decimal separator 714 */ 715 public static function setDecimalSeparator($pValue = '.') 716 { 717 self::$decimalSeparator = $pValue; 718 } 719 720 /** 721 * Get the thousands separator. If it has not yet been set explicitly, try to obtain number 722 * formatting information from locale. 723 * 724 * @return string 725 */ 726 public static function getThousandsSeparator() 727 { 728 if (!isset(self::$thousandsSeparator)) { 729 $localeconv = localeconv(); 730 self::$thousandsSeparator = ($localeconv['thousands_sep'] != '') 731 ? $localeconv['thousands_sep'] : $localeconv['mon_thousands_sep']; 732 733 if (self::$thousandsSeparator == '') { 734 // Default to . 735 self::$thousandsSeparator = ','; 736 } 737 } 738 return self::$thousandsSeparator; 739 } 740 741 /** 742 * Set the thousands separator. Only used by PHPExcel_Style_NumberFormat::toFormattedString() 743 * to format output by PHPExcel_Writer_HTML and PHPExcel_Writer_PDF 744 * 745 * @param string $pValue Character for thousands separator 746 */ 747 public static function setThousandsSeparator($pValue = ',') 748 { 749 self::$thousandsSeparator = $pValue; 750 } 751 752 /** 753 * Get the currency code. If it has not yet been set explicitly, try to obtain the 754 * symbol information from locale. 755 * 756 * @return string 757 */ 758 public static function getCurrencyCode() 759 { 760 if (!isset(self::$currencyCode)) { 761 $localeconv = localeconv(); 762 self::$currencyCode = ($localeconv['currency_symbol'] != '') 763 ? $localeconv['currency_symbol'] : $localeconv['int_curr_symbol']; 764 765 if (self::$currencyCode == '') { 766 // Default to $ 767 self::$currencyCode = '$'; 768 } 769 } 770 return self::$currencyCode; 771 } 772 773 /** 774 * Set the currency code. Only used by PHPExcel_Style_NumberFormat::toFormattedString() 775 * to format output by PHPExcel_Writer_HTML and PHPExcel_Writer_PDF 776 * 777 * @param string $pValue Character for currency code 778 */ 779 public static function setCurrencyCode($pValue = '$') 780 { 781 self::$currencyCode = $pValue; 782 } 783 784 /** 785 * Convert SYLK encoded string to UTF-8 786 * 787 * @param string $pValue 788 * @return string UTF-8 encoded string 789 */ 790 public static function SYLKtoUTF8($pValue = '') 791 { 792 // If there is no escape character in the string there is nothing to do 793 if (strpos($pValue, '') === false) { 794 return $pValue; 795 } 796 797 foreach (self::$SYLKCharacters as $k => $v) { 798 $pValue = str_replace($k, $v, $pValue); 799 } 800 801 return $pValue; 802 } 803 804 /** 805 * Retrieve any leading numeric part of a string, or return the full string if no leading numeric 806 * (handles basic integer or float, but not exponent or non decimal) 807 * 808 * @param string $value 809 * @return mixed string or only the leading numeric part of the string 810 */ 811 public static function testStringAsNumeric($value) 812 { 813 if (is_numeric($value)) { 814 return $value; 815 } 816 $v = floatval($value); 817 return (is_numeric(substr($value, 0, strlen($v)))) ? $v : $value; 818 } 819 }
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| Generated: Thu Aug 11 10:00:09 2016 | Cross-referenced by PHPXref 0.7.1 |