611 lines
17 KiB
PHP
611 lines
17 KiB
PHP
<?php
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/**
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* SimplePie
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*
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* A PHP-Based RSS and Atom Feed Framework.
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* Takes the hard work out of managing a complete RSS/Atom solution.
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*
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* Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are
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* permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* * Neither the name of the SimplePie Team nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
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* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @package SimplePie
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* @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
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* @author Ryan Parman
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* @author Sam Sneddon
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* @author Ryan McCue
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* @link http://simplepie.org/ SimplePie
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License
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*/
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/**
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* Decode HTML Entities
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*
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* This implements HTML5 as of revision 967 (2007-06-28)
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*
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* @deprecated Use DOMDocument instead!
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* @package SimplePie
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*/
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class SimplePie_Decode_HTML_Entities
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{
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/**
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* Data to be parsed
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*
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* @access private
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* @var string
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*/
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var $data = '';
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/**
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* Currently consumed bytes
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*
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* @access private
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* @var string
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*/
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var $consumed = '';
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/**
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* Position of the current byte being parsed
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*
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* @access private
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* @var int
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*/
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var $position = 0;
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/**
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* Create an instance of the class with the input data
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*
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* @access public
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* @param string $data Input data
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*/
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public function __construct($data)
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{
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$this->data = $data;
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}
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/**
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* Parse the input data
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*
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* @access public
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* @return string Output data
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*/
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public function parse()
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{
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while (($this->position = strpos($this->data, '&', $this->position)) !== false)
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{
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$this->consume();
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$this->entity();
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$this->consumed = '';
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}
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return $this->data;
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}
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/**
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* Consume the next byte
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*
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* @access private
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* @return mixed The next byte, or false, if there is no more data
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*/
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public function consume()
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{
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if (isset($this->data[$this->position]))
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{
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$this->consumed .= $this->data[$this->position];
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return $this->data[$this->position++];
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}
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return false;
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}
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/**
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* Consume a range of characters
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*
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* @access private
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* @param string $chars Characters to consume
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* @return mixed A series of characters that match the range, or false
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*/
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public function consume_range($chars)
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{
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if ($len = strspn($this->data, $chars, $this->position))
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{
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$data = substr($this->data, $this->position, $len);
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$this->consumed .= $data;
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$this->position += $len;
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return $data;
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}
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return false;
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}
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/**
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* Unconsume one byte
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*
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* @access private
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*/
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public function unconsume()
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{
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$this->consumed = substr($this->consumed, 0, -1);
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$this->position--;
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}
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/**
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* Decode an entity
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*
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* @access private
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*/
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public function entity()
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{
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switch ($this->consume())
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{
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case "\x09":
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case "\x0A":
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case "\x0B":
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case "\x0C":
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case "\x20":
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case "\x3C":
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case "\x26":
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case false:
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break;
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case "\x23":
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switch ($this->consume())
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{
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case "\x78":
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case "\x58":
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$range = '0123456789ABCDEFabcdef';
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$hex = true;
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break;
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default:
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$range = '0123456789';
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$hex = false;
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$this->unconsume();
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break;
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}
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if ($codepoint = $this->consume_range($range))
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{
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static $windows_1252_specials = array(0x0D => "\x0A", 0x80 => "\xE2\x82\xAC", 0x81 => "\xEF\xBF\xBD", 0x82 => "\xE2\x80\x9A", 0x83 => "\xC6\x92", 0x84 => "\xE2\x80\x9E", 0x85 => "\xE2\x80\xA6", 0x86 => "\xE2\x80\xA0", 0x87 => "\xE2\x80\xA1", 0x88 => "\xCB\x86", 0x89 => "\xE2\x80\xB0", 0x8A => "\xC5\xA0", 0x8B => "\xE2\x80\xB9", 0x8C => "\xC5\x92", 0x8D => "\xEF\xBF\xBD", 0x8E => "\xC5\xBD", 0x8F => "\xEF\xBF\xBD", 0x90 => "\xEF\xBF\xBD", 0x91 => "\xE2\x80\x98", 0x92 => "\xE2\x80\x99", 0x93 => "\xE2\x80\x9C", 0x94 => "\xE2\x80\x9D", 0x95 => "\xE2\x80\xA2", 0x96 => "\xE2\x80\x93", 0x97 => "\xE2\x80\x94", 0x98 => "\xCB\x9C", 0x99 => "\xE2\x84\xA2", 0x9A => "\xC5\xA1", 0x9B => "\xE2\x80\xBA", 0x9C => "\xC5\x93", 0x9D => "\xEF\xBF\xBD", 0x9E => "\xC5\xBE", 0x9F => "\xC5\xB8");
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if ($hex)
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{
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$codepoint = hexdec($codepoint);
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}
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else
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{
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$codepoint = intval($codepoint);
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}
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if (isset($windows_1252_specials[$codepoint]))
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{
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$replacement = $windows_1252_specials[$codepoint];
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}
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else
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{
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$replacement = SimplePie_Misc::codepoint_to_utf8($codepoint);
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}
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if (!in_array($this->consume(), array(';', false), true))
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{
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$this->unconsume();
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}
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$consumed_length = strlen($this->consumed);
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$this->data = substr_replace($this->data, $replacement, $this->position - $consumed_length, $consumed_length);
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$this->position += strlen($replacement) - $consumed_length;
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}
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break;
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default:
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static $entities = array(
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'Aacute' => "\xC3\x81",
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'aacute' => "\xC3\xA1",
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'Aacute;' => "\xC3\x81",
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'aacute;' => "\xC3\xA1",
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'Acirc' => "\xC3\x82",
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'acirc' => "\xC3\xA2",
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'Acirc;' => "\xC3\x82",
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'acirc;' => "\xC3\xA2",
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'acute' => "\xC2\xB4",
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'acute;' => "\xC2\xB4",
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'AElig' => "\xC3\x86",
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'aelig' => "\xC3\xA6",
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'AElig;' => "\xC3\x86",
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'aelig;' => "\xC3\xA6",
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'Agrave' => "\xC3\x80",
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'agrave' => "\xC3\xA0",
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'Agrave;' => "\xC3\x80",
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'agrave;' => "\xC3\xA0",
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'alefsym;' => "\xE2\x84\xB5",
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'Alpha;' => "\xCE\x91",
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'alpha;' => "\xCE\xB1",
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'AMP' => "\x26",
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'amp' => "\x26",
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'AMP;' => "\x26",
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'amp;' => "\x26",
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'and;' => "\xE2\x88\xA7",
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'ang;' => "\xE2\x88\xA0",
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'apos;' => "\x27",
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'Aring' => "\xC3\x85",
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'aring' => "\xC3\xA5",
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'Aring;' => "\xC3\x85",
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'aring;' => "\xC3\xA5",
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'asymp;' => "\xE2\x89\x88",
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'Atilde' => "\xC3\x83",
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'atilde' => "\xC3\xA3",
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'Atilde;' => "\xC3\x83",
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'atilde;' => "\xC3\xA3",
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'Auml' => "\xC3\x84",
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'auml' => "\xC3\xA4",
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'Auml;' => "\xC3\x84",
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'auml;' => "\xC3\xA4",
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'bdquo;' => "\xE2\x80\x9E",
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'Beta;' => "\xCE\x92",
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'beta;' => "\xCE\xB2",
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'brvbar' => "\xC2\xA6",
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'brvbar;' => "\xC2\xA6",
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'bull;' => "\xE2\x80\xA2",
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'cap;' => "\xE2\x88\xA9",
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'Ccedil' => "\xC3\x87",
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'ccedil' => "\xC3\xA7",
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'Ccedil;' => "\xC3\x87",
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'ccedil;' => "\xC3\xA7",
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'cedil' => "\xC2\xB8",
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'cedil;' => "\xC2\xB8",
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'cent' => "\xC2\xA2",
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'cent;' => "\xC2\xA2",
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'Chi;' => "\xCE\xA7",
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'chi;' => "\xCF\x87",
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'circ;' => "\xCB\x86",
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'clubs;' => "\xE2\x99\xA3",
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'cong;' => "\xE2\x89\x85",
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'COPY' => "\xC2\xA9",
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'copy' => "\xC2\xA9",
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'COPY;' => "\xC2\xA9",
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'copy;' => "\xC2\xA9",
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'crarr;' => "\xE2\x86\xB5",
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'cup;' => "\xE2\x88\xAA",
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'curren' => "\xC2\xA4",
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'curren;' => "\xC2\xA4",
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'Dagger;' => "\xE2\x80\xA1",
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'dagger;' => "\xE2\x80\xA0",
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'dArr;' => "\xE2\x87\x93",
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'darr;' => "\xE2\x86\x93",
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'deg' => "\xC2\xB0",
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'deg;' => "\xC2\xB0",
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'Delta;' => "\xCE\x94",
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'delta;' => "\xCE\xB4",
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'diams;' => "\xE2\x99\xA6",
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'divide' => "\xC3\xB7",
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'divide;' => "\xC3\xB7",
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'Eacute' => "\xC3\x89",
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'eacute' => "\xC3\xA9",
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'Eacute;' => "\xC3\x89",
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'eacute;' => "\xC3\xA9",
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'Ecirc' => "\xC3\x8A",
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'ecirc' => "\xC3\xAA",
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'Ecirc;' => "\xC3\x8A",
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'ecirc;' => "\xC3\xAA",
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'Egrave' => "\xC3\x88",
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'egrave' => "\xC3\xA8",
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'Egrave;' => "\xC3\x88",
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'egrave;' => "\xC3\xA8",
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'empty;' => "\xE2\x88\x85",
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'emsp;' => "\xE2\x80\x83",
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'ensp;' => "\xE2\x80\x82",
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'Epsilon;' => "\xCE\x95",
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'epsilon;' => "\xCE\xB5",
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'equiv;' => "\xE2\x89\xA1",
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'Eta;' => "\xCE\x97",
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'eta;' => "\xCE\xB7",
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'ETH' => "\xC3\x90",
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'eth' => "\xC3\xB0",
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'ETH;' => "\xC3\x90",
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'eth;' => "\xC3\xB0",
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'Euml' => "\xC3\x8B",
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'euml' => "\xC3\xAB",
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'Euml;' => "\xC3\x8B",
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'euml;' => "\xC3\xAB",
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'euro;' => "\xE2\x82\xAC",
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'exist;' => "\xE2\x88\x83",
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'fnof;' => "\xC6\x92",
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'forall;' => "\xE2\x88\x80",
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'frac12' => "\xC2\xBD",
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'frac12;' => "\xC2\xBD",
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'frac14' => "\xC2\xBC",
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'frac14;' => "\xC2\xBC",
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'frac34' => "\xC2\xBE",
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'frac34;' => "\xC2\xBE",
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'frasl;' => "\xE2\x81\x84",
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'Gamma;' => "\xCE\x93",
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'gamma;' => "\xCE\xB3",
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'ge;' => "\xE2\x89\xA5",
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'GT' => "\x3E",
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'gt' => "\x3E",
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'GT;' => "\x3E",
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'gt;' => "\x3E",
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'hArr;' => "\xE2\x87\x94",
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'harr;' => "\xE2\x86\x94",
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'hearts;' => "\xE2\x99\xA5",
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'hellip;' => "\xE2\x80\xA6",
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'Iacute' => "\xC3\x8D",
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'iacute' => "\xC3\xAD",
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'Iacute;' => "\xC3\x8D",
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'iacute;' => "\xC3\xAD",
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'Icirc' => "\xC3\x8E",
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'icirc' => "\xC3\xAE",
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'Icirc;' => "\xC3\x8E",
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'icirc;' => "\xC3\xAE",
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'iexcl' => "\xC2\xA1",
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'iexcl;' => "\xC2\xA1",
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'Igrave' => "\xC3\x8C",
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'igrave' => "\xC3\xAC",
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'Igrave;' => "\xC3\x8C",
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'igrave;' => "\xC3\xAC",
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'image;' => "\xE2\x84\x91",
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'infin;' => "\xE2\x88\x9E",
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'int;' => "\xE2\x88\xAB",
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'Iota;' => "\xCE\x99",
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'iota;' => "\xCE\xB9",
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'iquest' => "\xC2\xBF",
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'iquest;' => "\xC2\xBF",
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'isin;' => "\xE2\x88\x88",
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'Iuml' => "\xC3\x8F",
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'iuml' => "\xC3\xAF",
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'Iuml;' => "\xC3\x8F",
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'iuml;' => "\xC3\xAF",
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'Kappa;' => "\xCE\x9A",
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'kappa;' => "\xCE\xBA",
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'Lambda;' => "\xCE\x9B",
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'lambda;' => "\xCE\xBB",
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'lang;' => "\xE3\x80\x88",
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'laquo' => "\xC2\xAB",
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'laquo;' => "\xC2\xAB",
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'lArr;' => "\xE2\x87\x90",
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'larr;' => "\xE2\x86\x90",
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'lceil;' => "\xE2\x8C\x88",
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'ldquo;' => "\xE2\x80\x9C",
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'le;' => "\xE2\x89\xA4",
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'lfloor;' => "\xE2\x8C\x8A",
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'lowast;' => "\xE2\x88\x97",
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'loz;' => "\xE2\x97\x8A",
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'lrm;' => "\xE2\x80\x8E",
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'lsaquo;' => "\xE2\x80\xB9",
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'lsquo;' => "\xE2\x80\x98",
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'LT' => "\x3C",
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'lt' => "\x3C",
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'LT;' => "\x3C",
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'lt;' => "\x3C",
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'macr' => "\xC2\xAF",
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'macr;' => "\xC2\xAF",
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'mdash;' => "\xE2\x80\x94",
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'micro' => "\xC2\xB5",
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'micro;' => "\xC2\xB5",
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'middot' => "\xC2\xB7",
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'middot;' => "\xC2\xB7",
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'minus;' => "\xE2\x88\x92",
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'Mu;' => "\xCE\x9C",
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'mu;' => "\xCE\xBC",
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'nabla;' => "\xE2\x88\x87",
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'nbsp' => "\xC2\xA0",
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'nbsp;' => "\xC2\xA0",
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'ndash;' => "\xE2\x80\x93",
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'ne;' => "\xE2\x89\xA0",
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'ni;' => "\xE2\x88\x8B",
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'not' => "\xC2\xAC",
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'not;' => "\xC2\xAC",
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'notin;' => "\xE2\x88\x89",
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'nsub;' => "\xE2\x8A\x84",
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'Ntilde' => "\xC3\x91",
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'ntilde' => "\xC3\xB1",
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'Ntilde;' => "\xC3\x91",
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'ntilde;' => "\xC3\xB1",
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'Nu;' => "\xCE\x9D",
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'nu;' => "\xCE\xBD",
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'Oacute' => "\xC3\x93",
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'oacute' => "\xC3\xB3",
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'Oacute;' => "\xC3\x93",
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'oacute;' => "\xC3\xB3",
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'Ocirc' => "\xC3\x94",
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'ocirc' => "\xC3\xB4",
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'Ocirc;' => "\xC3\x94",
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'ocirc;' => "\xC3\xB4",
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'OElig;' => "\xC5\x92",
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'oelig;' => "\xC5\x93",
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'Ograve' => "\xC3\x92",
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'ograve' => "\xC3\xB2",
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'Ograve;' => "\xC3\x92",
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'ograve;' => "\xC3\xB2",
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'oline;' => "\xE2\x80\xBE",
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'Omega;' => "\xCE\xA9",
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'omega;' => "\xCF\x89",
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'Omicron;' => "\xCE\x9F",
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|
'omicron;' => "\xCE\xBF",
|
|
'oplus;' => "\xE2\x8A\x95",
|
|
'or;' => "\xE2\x88\xA8",
|
|
'ordf' => "\xC2\xAA",
|
|
'ordf;' => "\xC2\xAA",
|
|
'ordm' => "\xC2\xBA",
|
|
'ordm;' => "\xC2\xBA",
|
|
'Oslash' => "\xC3\x98",
|
|
'oslash' => "\xC3\xB8",
|
|
'Oslash;' => "\xC3\x98",
|
|
'oslash;' => "\xC3\xB8",
|
|
'Otilde' => "\xC3\x95",
|
|
'otilde' => "\xC3\xB5",
|
|
'Otilde;' => "\xC3\x95",
|
|
'otilde;' => "\xC3\xB5",
|
|
'otimes;' => "\xE2\x8A\x97",
|
|
'Ouml' => "\xC3\x96",
|
|
'ouml' => "\xC3\xB6",
|
|
'Ouml;' => "\xC3\x96",
|
|
'ouml;' => "\xC3\xB6",
|
|
'para' => "\xC2\xB6",
|
|
'para;' => "\xC2\xB6",
|
|
'part;' => "\xE2\x88\x82",
|
|
'permil;' => "\xE2\x80\xB0",
|
|
'perp;' => "\xE2\x8A\xA5",
|
|
'Phi;' => "\xCE\xA6",
|
|
'phi;' => "\xCF\x86",
|
|
'Pi;' => "\xCE\xA0",
|
|
'pi;' => "\xCF\x80",
|
|
'piv;' => "\xCF\x96",
|
|
'plusmn' => "\xC2\xB1",
|
|
'plusmn;' => "\xC2\xB1",
|
|
'pound' => "\xC2\xA3",
|
|
'pound;' => "\xC2\xA3",
|
|
'Prime;' => "\xE2\x80\xB3",
|
|
'prime;' => "\xE2\x80\xB2",
|
|
'prod;' => "\xE2\x88\x8F",
|
|
'prop;' => "\xE2\x88\x9D",
|
|
'Psi;' => "\xCE\xA8",
|
|
'psi;' => "\xCF\x88",
|
|
'QUOT' => "\x22",
|
|
'quot' => "\x22",
|
|
'QUOT;' => "\x22",
|
|
'quot;' => "\x22",
|
|
'radic;' => "\xE2\x88\x9A",
|
|
'rang;' => "\xE3\x80\x89",
|
|
'raquo' => "\xC2\xBB",
|
|
'raquo;' => "\xC2\xBB",
|
|
'rArr;' => "\xE2\x87\x92",
|
|
'rarr;' => "\xE2\x86\x92",
|
|
'rceil;' => "\xE2\x8C\x89",
|
|
'rdquo;' => "\xE2\x80\x9D",
|
|
'real;' => "\xE2\x84\x9C",
|
|
'REG' => "\xC2\xAE",
|
|
'reg' => "\xC2\xAE",
|
|
'REG;' => "\xC2\xAE",
|
|
'reg;' => "\xC2\xAE",
|
|
'rfloor;' => "\xE2\x8C\x8B",
|
|
'Rho;' => "\xCE\xA1",
|
|
'rho;' => "\xCF\x81",
|
|
'rlm;' => "\xE2\x80\x8F",
|
|
'rsaquo;' => "\xE2\x80\xBA",
|
|
'rsquo;' => "\xE2\x80\x99",
|
|
'sbquo;' => "\xE2\x80\x9A",
|
|
'Scaron;' => "\xC5\xA0",
|
|
'scaron;' => "\xC5\xA1",
|
|
'sdot;' => "\xE2\x8B\x85",
|
|
'sect' => "\xC2\xA7",
|
|
'sect;' => "\xC2\xA7",
|
|
'shy' => "\xC2\xAD",
|
|
'shy;' => "\xC2\xAD",
|
|
'Sigma;' => "\xCE\xA3",
|
|
'sigma;' => "\xCF\x83",
|
|
'sigmaf;' => "\xCF\x82",
|
|
'sim;' => "\xE2\x88\xBC",
|
|
'spades;' => "\xE2\x99\xA0",
|
|
'sub;' => "\xE2\x8A\x82",
|
|
'sube;' => "\xE2\x8A\x86",
|
|
'sum;' => "\xE2\x88\x91",
|
|
'sup;' => "\xE2\x8A\x83",
|
|
'sup1' => "\xC2\xB9",
|
|
'sup1;' => "\xC2\xB9",
|
|
'sup2' => "\xC2\xB2",
|
|
'sup2;' => "\xC2\xB2",
|
|
'sup3' => "\xC2\xB3",
|
|
'sup3;' => "\xC2\xB3",
|
|
'supe;' => "\xE2\x8A\x87",
|
|
'szlig' => "\xC3\x9F",
|
|
'szlig;' => "\xC3\x9F",
|
|
'Tau;' => "\xCE\xA4",
|
|
'tau;' => "\xCF\x84",
|
|
'there4;' => "\xE2\x88\xB4",
|
|
'Theta;' => "\xCE\x98",
|
|
'theta;' => "\xCE\xB8",
|
|
'thetasym;' => "\xCF\x91",
|
|
'thinsp;' => "\xE2\x80\x89",
|
|
'THORN' => "\xC3\x9E",
|
|
'thorn' => "\xC3\xBE",
|
|
'THORN;' => "\xC3\x9E",
|
|
'thorn;' => "\xC3\xBE",
|
|
'tilde;' => "\xCB\x9C",
|
|
'times' => "\xC3\x97",
|
|
'times;' => "\xC3\x97",
|
|
'TRADE;' => "\xE2\x84\xA2",
|
|
'trade;' => "\xE2\x84\xA2",
|
|
'Uacute' => "\xC3\x9A",
|
|
'uacute' => "\xC3\xBA",
|
|
'Uacute;' => "\xC3\x9A",
|
|
'uacute;' => "\xC3\xBA",
|
|
'uArr;' => "\xE2\x87\x91",
|
|
'uarr;' => "\xE2\x86\x91",
|
|
'Ucirc' => "\xC3\x9B",
|
|
'ucirc' => "\xC3\xBB",
|
|
'Ucirc;' => "\xC3\x9B",
|
|
'ucirc;' => "\xC3\xBB",
|
|
'Ugrave' => "\xC3\x99",
|
|
'ugrave' => "\xC3\xB9",
|
|
'Ugrave;' => "\xC3\x99",
|
|
'ugrave;' => "\xC3\xB9",
|
|
'uml' => "\xC2\xA8",
|
|
'uml;' => "\xC2\xA8",
|
|
'upsih;' => "\xCF\x92",
|
|
'Upsilon;' => "\xCE\xA5",
|
|
'upsilon;' => "\xCF\x85",
|
|
'Uuml' => "\xC3\x9C",
|
|
'uuml' => "\xC3\xBC",
|
|
'Uuml;' => "\xC3\x9C",
|
|
'uuml;' => "\xC3\xBC",
|
|
'weierp;' => "\xE2\x84\x98",
|
|
'Xi;' => "\xCE\x9E",
|
|
'xi;' => "\xCE\xBE",
|
|
'Yacute' => "\xC3\x9D",
|
|
'yacute' => "\xC3\xBD",
|
|
'Yacute;' => "\xC3\x9D",
|
|
'yacute;' => "\xC3\xBD",
|
|
'yen' => "\xC2\xA5",
|
|
'yen;' => "\xC2\xA5",
|
|
'yuml' => "\xC3\xBF",
|
|
'Yuml;' => "\xC5\xB8",
|
|
'yuml;' => "\xC3\xBF",
|
|
'Zeta;' => "\xCE\x96",
|
|
'zeta;' => "\xCE\xB6",
|
|
'zwj;' => "\xE2\x80\x8D",
|
|
'zwnj;' => "\xE2\x80\x8C"
|
|
);
|
|
|
|
for ($i = 0, $match = null; $i < 9 && $this->consume() !== false; $i++)
|
|
{
|
|
$consumed = substr($this->consumed, 1);
|
|
if (isset($entities[$consumed]))
|
|
{
|
|
$match = $consumed;
|
|
}
|
|
}
|
|
|
|
if ($match !== null)
|
|
{
|
|
$this->data = substr_replace($this->data, $entities[$match], $this->position - strlen($consumed) - 1, strlen($match) + 1);
|
|
$this->position += strlen($entities[$match]) - strlen($consumed) - 1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|