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Differences Between: [Versions 310 and 402] [Versions 311 and 402] [Versions 39 and 402] [Versions 400 and 402] [Versions 401 and 402]

   1  <?php
   2  
   3  declare(strict_types=1);
   4  /**
   5   * SimplePie
   6   *
   7   * A PHP-Based RSS and Atom Feed Framework.
   8   * Takes the hard work out of managing a complete RSS/Atom solution.
   9   *
  10   * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
  11   * All rights reserved.
  12   *
  13   * Redistribution and use in source and binary forms, with or without modification, are
  14   * permitted provided that the following conditions are met:
  15   *
  16   * 	 * Redistributions of source code must retain the above copyright notice, this list of
  17   * 	   conditions and the following disclaimer.
  18   *
  19   * 	 * Redistributions in binary form must reproduce the above copyright notice, this list
  20   * 	   of conditions and the following disclaimer in the documentation and/or other materials
  21   * 	   provided with the distribution.
  22   *
  23   * 	 * Neither the name of the SimplePie Team nor the names of its contributors may be used
  24   * 	   to endorse or promote products derived from this software without specific prior
  25   * 	   written permission.
  26   *
  27   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
  28   * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
  29   * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
  30   * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  31   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  32   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  33   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  34   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  35   * POSSIBILITY OF SUCH DAMAGE.
  36   *
  37   * @package SimplePie
  38   * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
  39   * @author Ryan Parman
  40   * @author Sam Sneddon
  41   * @author Ryan McCue
  42   * @link http://simplepie.org/ SimplePie
  43   * @license http://www.opensource.org/licenses/bsd-license.php BSD License
  44   */
  45  
  46  
  47  /**
  48   * Decode HTML Entities
  49   *
  50   * This implements HTML5 as of revision 967 (2007-06-28)
  51   *
  52   * @deprecated Use DOMDocument instead!
  53   * @package SimplePie
  54   */
  55  class SimplePie_Decode_HTML_Entities
  56  {
  57      /**
  58       * Data to be parsed
  59       *
  60       * @access private
  61       * @var string
  62       */
  63      public $data = '';
  64  
  65      /**
  66       * Currently consumed bytes
  67       *
  68       * @access private
  69       * @var string
  70       */
  71      public $consumed = '';
  72  
  73      /**
  74       * Position of the current byte being parsed
  75       *
  76       * @access private
  77       * @var int
  78       */
  79      public $position = 0;
  80  
  81      /**
  82       * Create an instance of the class with the input data
  83       *
  84       * @access public
  85       * @param string $data Input data
  86       */
  87      public function __construct($data)
  88      {
  89          $this->data = $data;
  90      }
  91  
  92      /**
  93       * Parse the input data
  94       *
  95       * @access public
  96       * @return string Output data
  97       */
  98      public function parse()
  99      {
 100          while (($this->position = strpos($this->data, '&', $this->position)) !== false) {
 101              $this->consume();
 102              $this->entity();
 103              $this->consumed = '';
 104          }
 105          return $this->data;
 106      }
 107  
 108      /**
 109       * Consume the next byte
 110       *
 111       * @access private
 112       * @return mixed The next byte, or false, if there is no more data
 113       */
 114      public function consume()
 115      {
 116          if (isset($this->data[$this->position])) {
 117              $this->consumed .= $this->data[$this->position];
 118              return $this->data[$this->position++];
 119          }
 120  
 121          return false;
 122      }
 123  
 124      /**
 125       * Consume a range of characters
 126       *
 127       * @access private
 128       * @param string $chars Characters to consume
 129       * @return mixed A series of characters that match the range, or false
 130       */
 131      public function consume_range($chars)
 132      {
 133          if ($len = strspn($this->data, $chars, $this->position)) {
 134              $data = substr($this->data, $this->position, $len);
 135              $this->consumed .= $data;
 136              $this->position += $len;
 137              return $data;
 138          }
 139  
 140          return false;
 141      }
 142  
 143      /**
 144       * Unconsume one byte
 145       *
 146       * @access private
 147       */
 148      public function unconsume()
 149      {
 150          $this->consumed = substr($this->consumed, 0, -1);
 151          $this->position--;
 152      }
 153  
 154      /**
 155       * Decode an entity
 156       *
 157       * @access private
 158       */
 159      public function entity()
 160      {
 161          switch ($this->consume()) {
 162              case "\x09":
 163              case "\x0A":
 164              case "\x0B":
 165              case "\x0C":
 166              case "\x20":
 167              case "\x3C":
 168              case "\x26":
 169              case false:
 170                  break;
 171  
 172              case "\x23":
 173                  switch ($this->consume()) {
 174                      case "\x78":
 175                      case "\x58":
 176                          $range = '0123456789ABCDEFabcdef';
 177                          $hex = true;
 178                          break;
 179  
 180                      default:
 181                          $range = '0123456789';
 182                          $hex = false;
 183                          $this->unconsume();
 184                          break;
 185                  }
 186  
 187                  if ($codepoint = $this->consume_range($range)) {
 188                      static $windows_1252_specials = [0x0D => "\x0A", 0x80 => "\xE2\x82\xAC", 0x81 => "\xEF\xBF\xBD", 0x82 => "\xE2\x80\x9A", 0x83 => "\xC6\x92", 0x84 => "\xE2\x80\x9E", 0x85 => "\xE2\x80\xA6", 0x86 => "\xE2\x80\xA0", 0x87 => "\xE2\x80\xA1", 0x88 => "\xCB\x86", 0x89 => "\xE2\x80\xB0", 0x8A => "\xC5\xA0", 0x8B => "\xE2\x80\xB9", 0x8C => "\xC5\x92", 0x8D => "\xEF\xBF\xBD", 0x8E => "\xC5\xBD", 0x8F => "\xEF\xBF\xBD", 0x90 => "\xEF\xBF\xBD", 0x91 => "\xE2\x80\x98", 0x92 => "\xE2\x80\x99", 0x93 => "\xE2\x80\x9C", 0x94 => "\xE2\x80\x9D", 0x95 => "\xE2\x80\xA2", 0x96 => "\xE2\x80\x93", 0x97 => "\xE2\x80\x94", 0x98 => "\xCB\x9C", 0x99 => "\xE2\x84\xA2", 0x9A => "\xC5\xA1", 0x9B => "\xE2\x80\xBA", 0x9C => "\xC5\x93", 0x9D => "\xEF\xBF\xBD", 0x9E => "\xC5\xBE", 0x9F => "\xC5\xB8"];
 189  
 190                      if ($hex) {
 191                          $codepoint = hexdec($codepoint);
 192                      } else {
 193                          $codepoint = intval($codepoint);
 194                      }
 195  
 196                      if (isset($windows_1252_specials[$codepoint])) {
 197                          $replacement = $windows_1252_specials[$codepoint];
 198                      } else {
 199                          $replacement = SimplePie_Misc::codepoint_to_utf8($codepoint);
 200                      }
 201  
 202                      if (!in_array($this->consume(), [';', false], true)) {
 203                          $this->unconsume();
 204                      }
 205  
 206                      $consumed_length = strlen($this->consumed);
 207                      $this->data = substr_replace($this->data, $replacement, $this->position - $consumed_length, $consumed_length);
 208                      $this->position += strlen($replacement) - $consumed_length;
 209                  }
 210                  break;
 211  
 212              default:
 213                  static $entities = [
 214                      'Aacute' => "\xC3\x81",
 215                      'aacute' => "\xC3\xA1",
 216                      'Aacute;' => "\xC3\x81",
 217                      'aacute;' => "\xC3\xA1",
 218                      'Acirc' => "\xC3\x82",
 219                      'acirc' => "\xC3\xA2",
 220                      'Acirc;' => "\xC3\x82",
 221                      'acirc;' => "\xC3\xA2",
 222                      'acute' => "\xC2\xB4",
 223                      'acute;' => "\xC2\xB4",
 224                      'AElig' => "\xC3\x86",
 225                      'aelig' => "\xC3\xA6",
 226                      'AElig;' => "\xC3\x86",
 227                      'aelig;' => "\xC3\xA6",
 228                      'Agrave' => "\xC3\x80",
 229                      'agrave' => "\xC3\xA0",
 230                      'Agrave;' => "\xC3\x80",
 231                      'agrave;' => "\xC3\xA0",
 232                      'alefsym;' => "\xE2\x84\xB5",
 233                      'Alpha;' => "\xCE\x91",
 234                      'alpha;' => "\xCE\xB1",
 235                      'AMP' => "\x26",
 236                      'amp' => "\x26",
 237                      'AMP;' => "\x26",
 238                      'amp;' => "\x26",
 239                      'and;' => "\xE2\x88\xA7",
 240                      'ang;' => "\xE2\x88\xA0",
 241                      'apos;' => "\x27",
 242                      'Aring' => "\xC3\x85",
 243                      'aring' => "\xC3\xA5",
 244                      'Aring;' => "\xC3\x85",
 245                      'aring;' => "\xC3\xA5",
 246                      'asymp;' => "\xE2\x89\x88",
 247                      'Atilde' => "\xC3\x83",
 248                      'atilde' => "\xC3\xA3",
 249                      'Atilde;' => "\xC3\x83",
 250                      'atilde;' => "\xC3\xA3",
 251                      'Auml' => "\xC3\x84",
 252                      'auml' => "\xC3\xA4",
 253                      'Auml;' => "\xC3\x84",
 254                      'auml;' => "\xC3\xA4",
 255                      'bdquo;' => "\xE2\x80\x9E",
 256                      'Beta;' => "\xCE\x92",
 257                      'beta;' => "\xCE\xB2",
 258                      'brvbar' => "\xC2\xA6",
 259                      'brvbar;' => "\xC2\xA6",
 260                      'bull;' => "\xE2\x80\xA2",
 261                      'cap;' => "\xE2\x88\xA9",
 262                      'Ccedil' => "\xC3\x87",
 263                      'ccedil' => "\xC3\xA7",
 264                      'Ccedil;' => "\xC3\x87",
 265                      'ccedil;' => "\xC3\xA7",
 266                      'cedil' => "\xC2\xB8",
 267                      'cedil;' => "\xC2\xB8",
 268                      'cent' => "\xC2\xA2",
 269                      'cent;' => "\xC2\xA2",
 270                      'Chi;' => "\xCE\xA7",
 271                      'chi;' => "\xCF\x87",
 272                      'circ;' => "\xCB\x86",
 273                      'clubs;' => "\xE2\x99\xA3",
 274                      'cong;' => "\xE2\x89\x85",
 275                      'COPY' => "\xC2\xA9",
 276                      'copy' => "\xC2\xA9",
 277                      'COPY;' => "\xC2\xA9",
 278                      'copy;' => "\xC2\xA9",
 279                      'crarr;' => "\xE2\x86\xB5",
 280                      'cup;' => "\xE2\x88\xAA",
 281                      'curren' => "\xC2\xA4",
 282                      'curren;' => "\xC2\xA4",
 283                      'Dagger;' => "\xE2\x80\xA1",
 284                      'dagger;' => "\xE2\x80\xA0",
 285                      'dArr;' => "\xE2\x87\x93",
 286                      'darr;' => "\xE2\x86\x93",
 287                      'deg' => "\xC2\xB0",
 288                      'deg;' => "\xC2\xB0",
 289                      'Delta;' => "\xCE\x94",
 290                      'delta;' => "\xCE\xB4",
 291                      'diams;' => "\xE2\x99\xA6",
 292                      'divide' => "\xC3\xB7",
 293                      'divide;' => "\xC3\xB7",
 294                      'Eacute' => "\xC3\x89",
 295                      'eacute' => "\xC3\xA9",
 296                      'Eacute;' => "\xC3\x89",
 297                      'eacute;' => "\xC3\xA9",
 298                      'Ecirc' => "\xC3\x8A",
 299                      'ecirc' => "\xC3\xAA",
 300                      'Ecirc;' => "\xC3\x8A",
 301                      'ecirc;' => "\xC3\xAA",
 302                      'Egrave' => "\xC3\x88",
 303                      'egrave' => "\xC3\xA8",
 304                      'Egrave;' => "\xC3\x88",
 305                      'egrave;' => "\xC3\xA8",
 306                      'empty;' => "\xE2\x88\x85",
 307                      'emsp;' => "\xE2\x80\x83",
 308                      'ensp;' => "\xE2\x80\x82",
 309                      'Epsilon;' => "\xCE\x95",
 310                      'epsilon;' => "\xCE\xB5",
 311                      'equiv;' => "\xE2\x89\xA1",
 312                      'Eta;' => "\xCE\x97",
 313                      'eta;' => "\xCE\xB7",
 314                      'ETH' => "\xC3\x90",
 315                      'eth' => "\xC3\xB0",
 316                      'ETH;' => "\xC3\x90",
 317                      'eth;' => "\xC3\xB0",
 318                      'Euml' => "\xC3\x8B",
 319                      'euml' => "\xC3\xAB",
 320                      'Euml;' => "\xC3\x8B",
 321                      'euml;' => "\xC3\xAB",
 322                      'euro;' => "\xE2\x82\xAC",
 323                      'exist;' => "\xE2\x88\x83",
 324                      'fnof;' => "\xC6\x92",
 325                      'forall;' => "\xE2\x88\x80",
 326                      'frac12' => "\xC2\xBD",
 327                      'frac12;' => "\xC2\xBD",
 328                      'frac14' => "\xC2\xBC",
 329                      'frac14;' => "\xC2\xBC",
 330                      'frac34' => "\xC2\xBE",
 331                      'frac34;' => "\xC2\xBE",
 332                      'frasl;' => "\xE2\x81\x84",
 333                      'Gamma;' => "\xCE\x93",
 334                      'gamma;' => "\xCE\xB3",
 335                      'ge;' => "\xE2\x89\xA5",
 336                      'GT' => "\x3E",
 337                      'gt' => "\x3E",
 338                      'GT;' => "\x3E",
 339                      'gt;' => "\x3E",
 340                      'hArr;' => "\xE2\x87\x94",
 341                      'harr;' => "\xE2\x86\x94",
 342                      'hearts;' => "\xE2\x99\xA5",
 343                      'hellip;' => "\xE2\x80\xA6",
 344                      'Iacute' => "\xC3\x8D",
 345                      'iacute' => "\xC3\xAD",
 346                      'Iacute;' => "\xC3\x8D",
 347                      'iacute;' => "\xC3\xAD",
 348                      'Icirc' => "\xC3\x8E",
 349                      'icirc' => "\xC3\xAE",
 350                      'Icirc;' => "\xC3\x8E",
 351                      'icirc;' => "\xC3\xAE",
 352                      'iexcl' => "\xC2\xA1",
 353                      'iexcl;' => "\xC2\xA1",
 354                      'Igrave' => "\xC3\x8C",
 355                      'igrave' => "\xC3\xAC",
 356                      'Igrave;' => "\xC3\x8C",
 357                      'igrave;' => "\xC3\xAC",
 358                      'image;' => "\xE2\x84\x91",
 359                      'infin;' => "\xE2\x88\x9E",
 360                      'int;' => "\xE2\x88\xAB",
 361                      'Iota;' => "\xCE\x99",
 362                      'iota;' => "\xCE\xB9",
 363                      'iquest' => "\xC2\xBF",
 364                      'iquest;' => "\xC2\xBF",
 365                      'isin;' => "\xE2\x88\x88",
 366                      'Iuml' => "\xC3\x8F",
 367                      'iuml' => "\xC3\xAF",
 368                      'Iuml;' => "\xC3\x8F",
 369                      'iuml;' => "\xC3\xAF",
 370                      'Kappa;' => "\xCE\x9A",
 371                      'kappa;' => "\xCE\xBA",
 372                      'Lambda;' => "\xCE\x9B",
 373                      'lambda;' => "\xCE\xBB",
 374                      'lang;' => "\xE3\x80\x88",
 375                      'laquo' => "\xC2\xAB",
 376                      'laquo;' => "\xC2\xAB",
 377                      'lArr;' => "\xE2\x87\x90",
 378                      'larr;' => "\xE2\x86\x90",
 379                      'lceil;' => "\xE2\x8C\x88",
 380                      'ldquo;' => "\xE2\x80\x9C",
 381                      'le;' => "\xE2\x89\xA4",
 382                      'lfloor;' => "\xE2\x8C\x8A",
 383                      'lowast;' => "\xE2\x88\x97",
 384                      'loz;' => "\xE2\x97\x8A",
 385                      'lrm;' => "\xE2\x80\x8E",
 386                      'lsaquo;' => "\xE2\x80\xB9",
 387                      'lsquo;' => "\xE2\x80\x98",
 388                      'LT' => "\x3C",
 389                      'lt' => "\x3C",
 390                      'LT;' => "\x3C",
 391                      'lt;' => "\x3C",
 392                      'macr' => "\xC2\xAF",
 393                      'macr;' => "\xC2\xAF",
 394                      'mdash;' => "\xE2\x80\x94",
 395                      'micro' => "\xC2\xB5",
 396                      'micro;' => "\xC2\xB5",
 397                      'middot' => "\xC2\xB7",
 398                      'middot;' => "\xC2\xB7",
 399                      'minus;' => "\xE2\x88\x92",
 400                      'Mu;' => "\xCE\x9C",
 401                      'mu;' => "\xCE\xBC",
 402                      'nabla;' => "\xE2\x88\x87",
 403                      'nbsp' => "\xC2\xA0",
 404                      'nbsp;' => "\xC2\xA0",
 405                      'ndash;' => "\xE2\x80\x93",
 406                      'ne;' => "\xE2\x89\xA0",
 407                      'ni;' => "\xE2\x88\x8B",
 408                      'not' => "\xC2\xAC",
 409                      'not;' => "\xC2\xAC",
 410                      'notin;' => "\xE2\x88\x89",
 411                      'nsub;' => "\xE2\x8A\x84",
 412                      'Ntilde' => "\xC3\x91",
 413                      'ntilde' => "\xC3\xB1",
 414                      'Ntilde;' => "\xC3\x91",
 415                      'ntilde;' => "\xC3\xB1",
 416                      'Nu;' => "\xCE\x9D",
 417                      'nu;' => "\xCE\xBD",
 418                      'Oacute' => "\xC3\x93",
 419                      'oacute' => "\xC3\xB3",
 420                      'Oacute;' => "\xC3\x93",
 421                      'oacute;' => "\xC3\xB3",
 422                      'Ocirc' => "\xC3\x94",
 423                      'ocirc' => "\xC3\xB4",
 424                      'Ocirc;' => "\xC3\x94",
 425                      'ocirc;' => "\xC3\xB4",
 426                      'OElig;' => "\xC5\x92",
 427                      'oelig;' => "\xC5\x93",
 428                      'Ograve' => "\xC3\x92",
 429                      'ograve' => "\xC3\xB2",
 430                      'Ograve;' => "\xC3\x92",
 431                      'ograve;' => "\xC3\xB2",
 432                      'oline;' => "\xE2\x80\xBE",
 433                      'Omega;' => "\xCE\xA9",
 434                      'omega;' => "\xCF\x89",
 435                      'Omicron;' => "\xCE\x9F",
 436                      'omicron;' => "\xCE\xBF",
 437                      'oplus;' => "\xE2\x8A\x95",
 438                      'or;' => "\xE2\x88\xA8",
 439                      'ordf' => "\xC2\xAA",
 440                      'ordf;' => "\xC2\xAA",
 441                      'ordm' => "\xC2\xBA",
 442                      'ordm;' => "\xC2\xBA",
 443                      'Oslash' => "\xC3\x98",
 444                      'oslash' => "\xC3\xB8",
 445                      'Oslash;' => "\xC3\x98",
 446                      'oslash;' => "\xC3\xB8",
 447                      'Otilde' => "\xC3\x95",
 448                      'otilde' => "\xC3\xB5",
 449                      'Otilde;' => "\xC3\x95",
 450                      'otilde;' => "\xC3\xB5",
 451                      'otimes;' => "\xE2\x8A\x97",
 452                      'Ouml' => "\xC3\x96",
 453                      'ouml' => "\xC3\xB6",
 454                      'Ouml;' => "\xC3\x96",
 455                      'ouml;' => "\xC3\xB6",
 456                      'para' => "\xC2\xB6",
 457                      'para;' => "\xC2\xB6",
 458                      'part;' => "\xE2\x88\x82",
 459                      'permil;' => "\xE2\x80\xB0",
 460                      'perp;' => "\xE2\x8A\xA5",
 461                      'Phi;' => "\xCE\xA6",
 462                      'phi;' => "\xCF\x86",
 463                      'Pi;' => "\xCE\xA0",
 464                      'pi;' => "\xCF\x80",
 465                      'piv;' => "\xCF\x96",
 466                      'plusmn' => "\xC2\xB1",
 467                      'plusmn;' => "\xC2\xB1",
 468                      'pound' => "\xC2\xA3",
 469                      'pound;' => "\xC2\xA3",
 470                      'Prime;' => "\xE2\x80\xB3",
 471                      'prime;' => "\xE2\x80\xB2",
 472                      'prod;' => "\xE2\x88\x8F",
 473                      'prop;' => "\xE2\x88\x9D",
 474                      'Psi;' => "\xCE\xA8",
 475                      'psi;' => "\xCF\x88",
 476                      'QUOT' => "\x22",
 477                      'quot' => "\x22",
 478                      'QUOT;' => "\x22",
 479                      'quot;' => "\x22",
 480                      'radic;' => "\xE2\x88\x9A",
 481                      'rang;' => "\xE3\x80\x89",
 482                      'raquo' => "\xC2\xBB",
 483                      'raquo;' => "\xC2\xBB",
 484                      'rArr;' => "\xE2\x87\x92",
 485                      'rarr;' => "\xE2\x86\x92",
 486                      'rceil;' => "\xE2\x8C\x89",
 487                      'rdquo;' => "\xE2\x80\x9D",
 488                      'real;' => "\xE2\x84\x9C",
 489                      'REG' => "\xC2\xAE",
 490                      'reg' => "\xC2\xAE",
 491                      'REG;' => "\xC2\xAE",
 492                      'reg;' => "\xC2\xAE",
 493                      'rfloor;' => "\xE2\x8C\x8B",
 494                      'Rho;' => "\xCE\xA1",
 495                      'rho;' => "\xCF\x81",
 496                      'rlm;' => "\xE2\x80\x8F",
 497                      'rsaquo;' => "\xE2\x80\xBA",
 498                      'rsquo;' => "\xE2\x80\x99",
 499                      'sbquo;' => "\xE2\x80\x9A",
 500                      'Scaron;' => "\xC5\xA0",
 501                      'scaron;' => "\xC5\xA1",
 502                      'sdot;' => "\xE2\x8B\x85",
 503                      'sect' => "\xC2\xA7",
 504                      'sect;' => "\xC2\xA7",
 505                      'shy' => "\xC2\xAD",
 506                      'shy;' => "\xC2\xAD",
 507                      'Sigma;' => "\xCE\xA3",
 508                      'sigma;' => "\xCF\x83",
 509                      'sigmaf;' => "\xCF\x82",
 510                      'sim;' => "\xE2\x88\xBC",
 511                      'spades;' => "\xE2\x99\xA0",
 512                      'sub;' => "\xE2\x8A\x82",
 513                      'sube;' => "\xE2\x8A\x86",
 514                      'sum;' => "\xE2\x88\x91",
 515                      'sup;' => "\xE2\x8A\x83",
 516                      'sup1' => "\xC2\xB9",
 517                      'sup1;' => "\xC2\xB9",
 518                      'sup2' => "\xC2\xB2",
 519                      'sup2;' => "\xC2\xB2",
 520                      'sup3' => "\xC2\xB3",
 521                      'sup3;' => "\xC2\xB3",
 522                      'supe;' => "\xE2\x8A\x87",
 523                      'szlig' => "\xC3\x9F",
 524                      'szlig;' => "\xC3\x9F",
 525                      'Tau;' => "\xCE\xA4",
 526                      'tau;' => "\xCF\x84",
 527                      'there4;' => "\xE2\x88\xB4",
 528                      'Theta;' => "\xCE\x98",
 529                      'theta;' => "\xCE\xB8",
 530                      'thetasym;' => "\xCF\x91",
 531                      'thinsp;' => "\xE2\x80\x89",
 532                      'THORN' => "\xC3\x9E",
 533                      'thorn' => "\xC3\xBE",
 534                      'THORN;' => "\xC3\x9E",
 535                      'thorn;' => "\xC3\xBE",
 536                      'tilde;' => "\xCB\x9C",
 537                      'times' => "\xC3\x97",
 538                      'times;' => "\xC3\x97",
 539                      'TRADE;' => "\xE2\x84\xA2",
 540                      'trade;' => "\xE2\x84\xA2",
 541                      'Uacute' => "\xC3\x9A",
 542                      'uacute' => "\xC3\xBA",
 543                      'Uacute;' => "\xC3\x9A",
 544                      'uacute;' => "\xC3\xBA",
 545                      'uArr;' => "\xE2\x87\x91",
 546                      'uarr;' => "\xE2\x86\x91",
 547                      'Ucirc' => "\xC3\x9B",
 548                      'ucirc' => "\xC3\xBB",
 549                      'Ucirc;' => "\xC3\x9B",
 550                      'ucirc;' => "\xC3\xBB",
 551                      'Ugrave' => "\xC3\x99",
 552                      'ugrave' => "\xC3\xB9",
 553                      'Ugrave;' => "\xC3\x99",
 554                      'ugrave;' => "\xC3\xB9",
 555                      'uml' => "\xC2\xA8",
 556                      'uml;' => "\xC2\xA8",
 557                      'upsih;' => "\xCF\x92",
 558                      'Upsilon;' => "\xCE\xA5",
 559                      'upsilon;' => "\xCF\x85",
 560                      'Uuml' => "\xC3\x9C",
 561                      'uuml' => "\xC3\xBC",
 562                      'Uuml;' => "\xC3\x9C",
 563                      'uuml;' => "\xC3\xBC",
 564                      'weierp;' => "\xE2\x84\x98",
 565                      'Xi;' => "\xCE\x9E",
 566                      'xi;' => "\xCE\xBE",
 567                      'Yacute' => "\xC3\x9D",
 568                      'yacute' => "\xC3\xBD",
 569                      'Yacute;' => "\xC3\x9D",
 570                      'yacute;' => "\xC3\xBD",
 571                      'yen' => "\xC2\xA5",
 572                      'yen;' => "\xC2\xA5",
 573                      'yuml' => "\xC3\xBF",
 574                      'Yuml;' => "\xC5\xB8",
 575                      'yuml;' => "\xC3\xBF",
 576                      'Zeta;' => "\xCE\x96",
 577                      'zeta;' => "\xCE\xB6",
 578                      'zwj;' => "\xE2\x80\x8D",
 579                      'zwnj;' => "\xE2\x80\x8C"
 580                  ];
 581  
 582                  for ($i = 0, $match = null; $i < 9 && $this->consume() !== false; $i++) {
 583                      $consumed = substr($this->consumed, 1);
 584                      if (isset($entities[$consumed])) {
 585                          $match = $consumed;
 586                      }
 587                  }
 588  
 589                  if ($match !== null) {
 590                      $this->data = substr_replace($this->data, $entities[$match], $this->position - strlen($consumed) - 1, strlen($match) + 1);
 591                      $this->position += strlen($entities[$match]) - strlen($consumed) - 1;
 592                  }
 593                  break;
 594          }
 595      }
 596  }