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<?php // SPDX-FileCopyrightText: 2004-2023 Ryan Parman, Sam Sneddon, Ryan McCue // SPDX-License-Identifier: BSD-3-Clause declare(strict_types=1); namespace SimplePie; use SimplePie\XML\Declaration\Parser as DeclarationParser; use XMLParser; /** * Parses XML into something sane * * * This class can be overloaded with {@see \SimplePie\SimplePie::set_parser_class()} */ class Parser implements RegistryAware { /** @var int */ public $error_code; /** @var string */ public $error_string; /** @var int */ public $current_line; /** @var int */ public $current_column; /** @var int */ public $current_byte; /** @var string */ public $separator = ' '; /** @var string[] */ public $namespace = ['']; /** @var string[] */ public $element = ['']; /** @var string[] */ public $xml_base = ['']; /** @var bool[] */ public $xml_base_explicit = [false]; /** @var string[] */ public $xml_lang = ['']; /** @var array<string, mixed> */ public $data = []; /** @var array<array<string, mixed>> */ public $datas = [[]]; /** @var int */ public $current_xhtml_construct = -1; /** @var string */ public $encoding; /** @var Registry */ protected $registry; /** * @return void */ public function set_registry(\SimplePie\Registry $registry) { $this->registry = $registry; } /** * @return bool */ public function parse(string &$data, string $encoding, string $url = '') { if (class_exists('DOMXpath') && function_exists('Mf2\parse')) { $doc = new \DOMDocument(); @$doc->loadHTML($data); $xpath = new \DOMXpath($doc); // Check for both h-feed and h-entry, as both a feed with no entries // and a list of entries without an h-feed wrapper are both valid. $query = '//*[contains(concat(" ", @class, " "), " h-feed ") or '. 'contains(concat(" ", @class, " "), " h-entry ")]'; /** @var \DOMNodeList<\DOMElement> $result */ $result = $xpath->query($query); if ($result->length !== 0) { return $this->parse_microformats($data, $url); } } // Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character if (strtoupper($encoding) === 'US-ASCII') { $this->encoding = 'UTF-8'; } else { $this->encoding = $encoding; } // Strip BOM: // UTF-32 Big Endian BOM if (substr($data, 0, 4) === "\x00\x00\xFE\xFF") { $data = substr($data, 4); } // UTF-32 Little Endian BOM elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00") { $data = substr($data, 4); } // UTF-16 Big Endian BOM elseif (substr($data, 0, 2) === "\xFE\xFF") { $data = substr($data, 2); } // UTF-16 Little Endian BOM elseif (substr($data, 0, 2) === "\xFF\xFE") { $data = substr($data, 2); } // UTF-8 BOM elseif (substr($data, 0, 3) === "\xEF\xBB\xBF") { $data = substr($data, 3); } if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false) { $declaration = $this->registry->create(DeclarationParser::class, [substr($data, 5, $pos - 5)]); if ($declaration->parse()) { $data = substr($data, $pos + 2); $data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . "\n" . self::set_doctype($data); } else { $this->error_string = 'SimplePie bug! Please report this!'; return false; } } else { $data = self::set_doctype($data); } $return = true; static $xml_is_sane = null; if ($xml_is_sane === null) { $parser_check = xml_parser_create(); xml_parse_into_struct($parser_check, '<foo>&</foo>', $values); if (\PHP_VERSION_ID < 80000) { xml_parser_free($parser_check); } $xml_is_sane = isset($values[0]['value']); } // Create the parser if ($xml_is_sane) { $xml = xml_parser_create_ns($this->encoding, $this->separator); xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1); xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0); xml_set_character_data_handler($xml, [$this, 'cdata']); xml_set_element_handler($xml, [$this, 'tag_open'], [$this, 'tag_close']); // Parse! $wrapper = @is_writable(sys_get_temp_dir()) ? 'php://temp' : 'php://memory'; if (($stream = fopen($wrapper, 'r+')) && fwrite($stream, $data) && rewind($stream)) { //Parse by chunks not to use too much memory do { $stream_data = (string) fread($stream, 1048576); if (!xml_parse($xml, $stream_data, feof($stream))) { $this->error_code = xml_get_error_code($xml); $this->error_string = xml_error_string($this->error_code) ?: "Unknown"; $return = false; break; } } while (!feof($stream)); fclose($stream); } else { $return = false; } $this->current_line = xml_get_current_line_number($xml); $this->current_column = xml_get_current_column_number($xml); $this->current_byte = xml_get_current_byte_index($xml); if (\PHP_VERSION_ID < 80000) { xml_parser_free($xml); } return $return; } libxml_clear_errors(); $xml = new \XMLReader(); $xml->xml($data); while (@$xml->read()) { switch ($xml->nodeType) { case \XMLReader::END_ELEMENT: if ($xml->namespaceURI !== '') { $tagName = $xml->namespaceURI . $this->separator . $xml->localName; } else { $tagName = $xml->localName; } $this->tag_close(null, $tagName); break; case \XMLReader::ELEMENT: $empty = $xml->isEmptyElement; if ($xml->namespaceURI !== '') { $tagName = $xml->namespaceURI . $this->separator . $xml->localName; } else { $tagName = $xml->localName; } $attributes = []; while ($xml->moveToNextAttribute()) { if ($xml->namespaceURI !== '') { $attrName = $xml->namespaceURI . $this->separator . $xml->localName; } else { $attrName = $xml->localName; } $attributes[$attrName] = $xml->value; } $this->tag_open(null, $tagName, $attributes); if ($empty) { $this->tag_close(null, $tagName); } break; case \XMLReader::TEXT: case \XMLReader::CDATA: $this->cdata(null, $xml->value); break; } } if ($error = libxml_get_last_error()) { $this->error_code = $error->code; $this->error_string = $error->message; $this->current_line = $error->line; $this->current_column = $error->column; return false; } return true; } /** * @return int */ public function get_error_code() { return $this->error_code; } /** * @return string */ public function get_error_string() { return $this->error_string; } /** * @return int */ public function get_current_line() { return $this->current_line; } /** * @return int */ public function get_current_column() { return $this->current_column; } /** * @return int */ public function get_current_byte() { return $this->current_byte; } /** * @return array<string, mixed> */ public function get_data() { return $this->data; } /** * @param XMLParser|resource|null $parser * @param array<string, string> $attributes * @return void */ public function tag_open($parser, string $tag, array $attributes) { [$this->namespace[], $this->element[]] = $this->split_ns($tag); $attribs = []; foreach ($attributes as $name => $value) { [$attrib_namespace, $attribute] = $this->split_ns($name); $attribs[$attrib_namespace][$attribute] = $value; } if (isset($attribs[\SimplePie\SimplePie::NAMESPACE_XML]['base'])) { $base = $this->registry->call(Misc::class, 'absolutize_url', [$attribs[\SimplePie\SimplePie::NAMESPACE_XML]['base'], end($this->xml_base)]); if ($base !== false) { $this->xml_base[] = $base; $this->xml_base_explicit[] = true; } } else { $this->xml_base[] = end($this->xml_base) ?: ''; $this->xml_base_explicit[] = end($this->xml_base_explicit); } if (isset($attribs[\SimplePie\SimplePie::NAMESPACE_XML]['lang'])) { $this->xml_lang[] = $attribs[\SimplePie\SimplePie::NAMESPACE_XML]['lang']; } else { $this->xml_lang[] = end($this->xml_lang) ?: ''; } if ($this->current_xhtml_construct >= 0) { $this->current_xhtml_construct++; if (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_XHTML) { $this->data['data'] .= '<' . end($this->element); if (isset($attribs[''])) { foreach ($attribs[''] as $name => $value) { $this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"'; } } $this->data['data'] .= '>'; } } else { $this->datas[] = &$this->data; $this->data = &$this->data['child'][end($this->namespace)][end($this->element)][]; $this->data = ['data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang)]; if ((end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_ATOM_03 && in_array(end($this->element), ['title', 'tagline', 'copyright', 'info', 'summary', 'content']) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml') || (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_ATOM_10 && in_array(end($this->element), ['rights', 'subtitle', 'summary', 'info', 'title', 'content']) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml') || (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_RSS_20 && in_array(end($this->element), ['title'])) || (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_RSS_090 && in_array(end($this->element), ['title'])) || (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_RSS_10 && in_array(end($this->element), ['title']))) { $this->current_xhtml_construct = 0; } } } /** * @param XMLParser|resource|null $parser * @return void */ public function cdata($parser, string $cdata) { if ($this->current_xhtml_construct >= 0) { $this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding); } else { $this->data['data'] .= $cdata; } } /** * @param XMLParser|resource|null $parser * @return void */ public function tag_close($parser, string $tag) { if ($this->current_xhtml_construct >= 0) { $this->current_xhtml_construct--; if (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_XHTML && !in_array(end($this->element), ['area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param'])) { $this->data['data'] .= '</' . end($this->element) . '>'; } } if ($this->current_xhtml_construct === -1) { $this->data = &$this->datas[count($this->datas) - 1]; array_pop($this->datas); } array_pop($this->element); array_pop($this->namespace); array_pop($this->xml_base); array_pop($this->xml_base_explicit); array_pop($this->xml_lang); } /** * @return array{string, string} */ public function split_ns(string $string) { static $cache = []; if (!isset($cache[$string])) { if ($pos = strpos($string, $this->separator)) { static $separator_length; if (!$separator_length) { $separator_length = strlen($this->separator); } $namespace = substr($string, 0, $pos); $local_name = substr($string, $pos + $separator_length); if (strtolower($namespace) === \SimplePie\SimplePie::NAMESPACE_ITUNES) { $namespace = \SimplePie\SimplePie::NAMESPACE_ITUNES; } // Normalize the Media RSS namespaces if ($namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG || $namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG2 || $namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG3 || $namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG4 || $namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG5) { $namespace = \SimplePie\SimplePie::NAMESPACE_MEDIARSS; } $cache[$string] = [$namespace, $local_name]; } else { $cache[$string] = ['', $string]; } } return $cache[$string]; } /** * @param array<string, mixed> $data */ private function parse_hcard(array $data, bool $category = false): string { $name = ''; $link = ''; // Check if h-card is set and pass that information on in the link. if (isset($data['type']) && in_array('h-card', $data['type'])) { if (isset($data['properties']['name'][0])) { $name = $data['properties']['name'][0]; } if (isset($data['properties']['url'][0])) { $link = $data['properties']['url'][0]; if ($name === '') { $name = $link; } else { // can't have commas in categories. $name = str_replace(',', '', $name); } $person_tag = $category ? '<span class="person-tag"></span>' : ''; return '<a class="h-card" href="'.$link.'">'.$person_tag.$name.'</a>'; } } return $data['value'] ?? ''; } /** * @return true */ private function parse_microformats(string &$data, string $url): bool { // For PHPStan, we already check that in call site. \assert(function_exists('Mf2\parse')); \assert(function_exists('Mf2\fetch')); $feed_title = ''; $feed_author = null; $author_cache = []; $items = []; $entries = []; $mf = \Mf2\parse($data, $url); // First look for an h-feed. $h_feed = []; foreach ($mf['items'] as $mf_item) { if (in_array('h-feed', $mf_item['type'])) { $h_feed = $mf_item; break; } // Also look for h-feed or h-entry in the children of each top level item. if (!isset($mf_item['children'][0]['type'])) { continue; } if (in_array('h-feed', $mf_item['children'][0]['type'])) { $h_feed = $mf_item['children'][0]; // In this case the parent of the h-feed may be an h-card, so use it as // the feed_author. if (in_array('h-card', $mf_item['type'])) { $feed_author = $mf_item; } break; } elseif (in_array('h-entry', $mf_item['children'][0]['type'])) { $entries = $mf_item['children']; // In this case the parent of the h-entry list may be an h-card, so use // it as the feed_author. if (in_array('h-card', $mf_item['type'])) { $feed_author = $mf_item; } break; } } if (isset($h_feed['children'])) { $entries = $h_feed['children']; // Also set the feed title and store author from the h-feed if available. if (isset($mf['items'][0]['properties']['name'][0])) { $feed_title = $mf['items'][0]['properties']['name'][0]; } if (isset($mf['items'][0]['properties']['author'][0])) { $feed_author = $mf['items'][0]['properties']['author'][0]; } } elseif (count($entries) === 0) { $entries = $mf['items']; } for ($i = 0; $i < count($entries); $i++) { $entry = $entries[$i]; if (in_array('h-entry', $entry['type'])) { $item = []; $title = ''; $description = ''; if (isset($entry['properties']['url'][0])) { $link = $entry['properties']['url'][0]; if (isset($link['value'])) { $link = $link['value']; } $item['link'] = [['data' => $link]]; } if (isset($entry['properties']['uid'][0])) { $guid = $entry['properties']['uid'][0]; if (isset($guid['value'])) { $guid = $guid['value']; } $item['guid'] = [['data' => $guid]]; } if (isset($entry['properties']['name'][0])) { $title = $entry['properties']['name'][0]; if (isset($title['value'])) { $title = $title['value']; } $item['title'] = [['data' => $title]]; } if (isset($entry['properties']['author'][0]) || isset($feed_author)) { // author is a special case, it can be plain text or an h-card array. // If it's plain text it can also be a url that should be followed to // get the actual h-card. $author = $entry['properties']['author'][0] ?? $feed_author; if (!is_string($author)) { $author = $this->parse_hcard($author); } elseif (strpos($author, 'http') === 0) { if (isset($author_cache[$author])) { $author = $author_cache[$author]; } else { if ($mf = \Mf2\fetch($author)) { foreach ($mf['items'] as $hcard) { // Only interested in an h-card by itself in this case. if (!in_array('h-card', $hcard['type'])) { continue; } // It must have a url property matching what we fetched. if (!isset($hcard['properties']['url']) || !(in_array($author, $hcard['properties']['url']))) { continue; } // Save parse_hcard the trouble of finding the correct url. $hcard['properties']['url'][0] = $author; // Cache this h-card for the next h-entry to check. $author_cache[$author] = $this->parse_hcard($hcard); $author = $author_cache[$author]; break; } } } } $item['author'] = [['data' => $author]]; } if (isset($entry['properties']['photo'][0])) { // If a photo is also in content, don't need to add it again here. $content = ''; if (isset($entry['properties']['content'][0]['html'])) { $content = $entry['properties']['content'][0]['html']; } $photo_list = []; for ($j = 0; $j < count($entry['properties']['photo']); $j++) { $photo = $entry['properties']['photo'][$j]; if (!empty($photo) && strpos($content, $photo) === false) { $photo_list[] = $photo; } } // When there's more than one photo show the first and use a lightbox. // Need a permanent, unique name for the image set, but don't have // anything unique except for the content itself, so use that. $count = count($photo_list); if ($count > 1) { $image_set_id = preg_replace('/[[:^alnum:]]/', '', $photo_list[0]); $description = '<p>'; for ($j = 0; $j < $count; $j++) { $hidden = $j === 0 ? '' : 'class="hidden" '; $description .= '<a href="'.$photo_list[$j].'" '.$hidden. 'data-lightbox="image-set-'.$image_set_id.'">'. '<img src="'.$photo_list[$j].'"></a>'; } $description .= '<br><b>'.$count.' photos</b></p>'; } elseif ($count == 1) { $description = '<p><img src="'.$photo_list[0].'"></p>'; } } if (isset($entry['properties']['content'][0]['html'])) { // e-content['value'] is the same as p-name when they are on the same // element. Use this to replace title with a strip_tags version so // that alt text from images is not included in the title. if ($entry['properties']['content'][0]['value'] === $title) { $title = strip_tags($entry['properties']['content'][0]['html']); $item['title'] = [['data' => $title]]; } $description .= $entry['properties']['content'][0]['html']; if (isset($entry['properties']['in-reply-to'][0])) { $in_reply_to = ''; if (is_string($entry['properties']['in-reply-to'][0])) { $in_reply_to = $entry['properties']['in-reply-to'][0]; } elseif (isset($entry['properties']['in-reply-to'][0]['value'])) { $in_reply_to = $entry['properties']['in-reply-to'][0]['value']; } if ($in_reply_to !== '') { $description .= '<p><span class="in-reply-to"></span> '. '<a href="'.$in_reply_to.'">'.$in_reply_to.'</a><p>'; } } $item['description'] = [['data' => $description]]; } if (isset($entry['properties']['category'])) { $category_csv = ''; // Categories can also contain h-cards. foreach ($entry['properties']['category'] as $category) { if ($category_csv !== '') { $category_csv .= ', '; } if (is_string($category)) { // Can't have commas in categories. $category_csv .= str_replace(',', '', $category); } else { $category_csv .= $this->parse_hcard($category, true); } } $item['category'] = [['data' => $category_csv]]; } if (isset($entry['properties']['published'][0])) { $timestamp = strtotime($entry['properties']['published'][0]); $pub_date = date('F j Y g:ia', $timestamp).' GMT'; $item['pubDate'] = [['data' => $pub_date]]; } // The title and description are set to the empty string to represent // a deleted item (which also makes it an invalid rss item). if (isset($entry['properties']['deleted'][0])) { $item['title'] = [['data' => '']]; $item['description'] = [['data' => '']]; } $items[] = ['child' => ['' => $item]]; } } // Mimic RSS data format when storing microformats. $link = [['data' => $url]]; $image = ''; if (!is_string($feed_author) && isset($feed_author['properties']['photo'][0])) { $image = [['child' => ['' => ['url' => [['data' => $feed_author['properties']['photo'][0]]]]]]]; } // Use the name given for the h-feed, or get the title from the html. if ($feed_title !== '') { $feed_title = [['data' => htmlspecialchars($feed_title)]]; } elseif ($position = strpos($data, '<title>')) { $start = $position < 200 ? 0 : $position - 200; $check = substr($data, $start, 400); $matches = []; if (preg_match('/<title>(.+)<\/title>/', $check, $matches)) { $feed_title = [['data' => htmlspecialchars($matches[1])]]; } } $channel = ['channel' => [['child' => ['' => ['link' => $link, 'image' => $image, 'title' => $feed_title, 'item' => $items]]]]]; $rss = [['attribs' => ['' => ['version' => '2.0']], 'child' => ['' => $channel]]]; $this->data = ['child' => ['' => ['rss' => $rss]]]; return true; } private static function set_doctype(string $data): string { // Strip DOCTYPE except if containing an [internal subset] $data = preg_replace('/^\\s*<!DOCTYPE\\s[^>\\[\\]]*>\s*/', '', $data) ?? $data; // Declare HTML entities only if no remaining DOCTYPE $doctype = preg_match('/^\\s*<!DOCTYPE\\s/', $data) ? '' : self::declare_html_entities(); return $doctype . $data; } private static function declare_html_entities(): string { // This is required because the RSS specification says that entity-encoded // html is allowed, but the xml specification says they must be declared. return '<!DOCTYPE rss [ <!ENTITY nbsp " "> <!ENTITY iexcl "¡"> <!ENTITY cent "¢"> <!ENTITY pound "£"> <!ENTITY curren "¤"> <!ENTITY yen "¥"> <!ENTITY brvbar "¦"> <!ENTITY sect "§"> <!ENTITY uml "¨"> <!ENTITY copy "©"> <!ENTITY ordf "ª"> <!ENTITY laquo "«"> <!ENTITY not "¬"> <!ENTITY shy ""> <!ENTITY reg "®"> <!ENTITY macr "¯"> <!ENTITY deg "°"> <!ENTITY plusmn "±"> <!ENTITY sup2 "²"> <!ENTITY sup3 "³"> <!ENTITY acute "´"> <!ENTITY micro "µ"> <!ENTITY para "¶"> <!ENTITY middot "·"> <!ENTITY cedil "¸"> <!ENTITY sup1 "¹"> <!ENTITY ordm "º"> <!ENTITY raquo "»"> <!ENTITY frac14 "¼"> <!ENTITY frac12 "½"> <!ENTITY frac34 "¾"> <!ENTITY iquest "¿"> <!ENTITY Agrave "À"> <!ENTITY Aacute "Á"> <!ENTITY Acirc "Â"> <!ENTITY Atilde "Ã"> <!ENTITY Auml "Ä"> <!ENTITY Aring "Å"> <!ENTITY AElig "Æ"> <!ENTITY Ccedil "Ç"> <!ENTITY Egrave "È"> <!ENTITY Eacute "É"> <!ENTITY Ecirc "Ê"> <!ENTITY Euml "Ë"> <!ENTITY Igrave "Ì"> <!ENTITY Iacute "Í"> <!ENTITY Icirc "Î"> <!ENTITY Iuml "Ï"> <!ENTITY ETH "Ð"> <!ENTITY Ntilde "Ñ"> <!ENTITY Ograve "Ò"> <!ENTITY Oacute "Ó"> <!ENTITY Ocirc "Ô"> <!ENTITY Otilde "Õ"> <!ENTITY Ouml "Ö"> <!ENTITY times "×"> <!ENTITY Oslash "Ø"> <!ENTITY Ugrave "Ù"> <!ENTITY Uacute "Ú"> <!ENTITY Ucirc "Û"> <!ENTITY Uuml "Ü"> <!ENTITY Yacute "Ý"> <!ENTITY THORN "Þ"> <!ENTITY szlig "ß"> <!ENTITY agrave "à"> <!ENTITY aacute "á"> <!ENTITY acirc "â"> <!ENTITY atilde "ã"> <!ENTITY auml "ä"> <!ENTITY aring "å"> <!ENTITY aelig "æ"> <!ENTITY ccedil "ç"> <!ENTITY egrave "è"> <!ENTITY eacute "é"> <!ENTITY ecirc "ê"> <!ENTITY euml "ë"> <!ENTITY igrave "ì"> <!ENTITY iacute "í"> <!ENTITY icirc "î"> <!ENTITY iuml "ï"> <!ENTITY eth "ð"> <!ENTITY ntilde "ñ"> <!ENTITY ograve "ò"> <!ENTITY oacute "ó"> <!ENTITY ocirc "ô"> <!ENTITY otilde "õ"> <!ENTITY ouml "ö"> <!ENTITY divide "÷"> <!ENTITY oslash "ø"> <!ENTITY ugrave "ù"> <!ENTITY uacute "ú"> <!ENTITY ucirc "û"> <!ENTITY uuml "ü"> <!ENTITY yacute "ý"> <!ENTITY thorn "þ"> <!ENTITY yuml "ÿ"> <!ENTITY OElig "Œ"> <!ENTITY oelig "œ"> <!ENTITY Scaron "Š"> <!ENTITY scaron "š"> <!ENTITY Yuml "Ÿ"> <!ENTITY fnof "ƒ"> <!ENTITY circ "ˆ"> <!ENTITY tilde "˜"> <!ENTITY Alpha "Α"> <!ENTITY Beta "Β"> <!ENTITY Gamma "Γ"> <!ENTITY Epsilon "Ε"> <!ENTITY Zeta "Ζ"> <!ENTITY Eta "Η"> <!ENTITY Theta "Θ"> <!ENTITY Iota "Ι"> <!ENTITY Kappa "Κ"> <!ENTITY Lambda "Λ"> <!ENTITY Mu "Μ"> <!ENTITY Nu "Ν"> <!ENTITY Xi "Ξ"> <!ENTITY Omicron "Ο"> <!ENTITY Pi "Π"> <!ENTITY Rho "Ρ"> <!ENTITY Sigma "Σ"> <!ENTITY Tau "Τ"> <!ENTITY Upsilon "Υ"> <!ENTITY Phi "Φ"> <!ENTITY Chi "Χ"> <!ENTITY Psi "Ψ"> <!ENTITY Omega "Ω"> <!ENTITY alpha "α"> <!ENTITY beta "β"> <!ENTITY gamma "γ"> <!ENTITY delta "δ"> <!ENTITY epsilon "ε"> <!ENTITY zeta "ζ"> <!ENTITY eta "η"> <!ENTITY theta "θ"> <!ENTITY iota "ι"> <!ENTITY kappa "κ"> <!ENTITY lambda "λ"> <!ENTITY mu "μ"> <!ENTITY nu "ν"> <!ENTITY xi "ξ"> <!ENTITY omicron "ο"> <!ENTITY pi "π"> <!ENTITY rho "ρ"> <!ENTITY sigmaf "ς"> <!ENTITY sigma "σ"> <!ENTITY tau "τ"> <!ENTITY upsilon "υ"> <!ENTITY phi "φ"> <!ENTITY chi "χ"> <!ENTITY psi "ψ"> <!ENTITY omega "ω"> <!ENTITY thetasym "ϑ"> <!ENTITY upsih "ϒ"> <!ENTITY piv "ϖ"> <!ENTITY ensp " "> <!ENTITY emsp " "> <!ENTITY thinsp " "> <!ENTITY zwnj ""> <!ENTITY zwj ""> <!ENTITY lrm ""> <!ENTITY rlm ""> <!ENTITY ndash "–"> <!ENTITY mdash "—"> <!ENTITY lsquo "‘"> <!ENTITY rsquo "’"> <!ENTITY sbquo "‚"> <!ENTITY ldquo "“"> <!ENTITY rdquo "”"> <!ENTITY bdquo "„"> <!ENTITY dagger "†"> <!ENTITY Dagger "‡"> <!ENTITY bull "•"> <!ENTITY hellip "…"> <!ENTITY permil "‰"> <!ENTITY prime "′"> <!ENTITY Prime "″"> <!ENTITY lsaquo "‹"> <!ENTITY rsaquo "›"> <!ENTITY oline "‾"> <!ENTITY frasl "⁄"> <!ENTITY euro "€"> <!ENTITY image "ℑ"> <!ENTITY weierp "℘"> <!ENTITY real "ℜ"> <!ENTITY trade "™"> <!ENTITY alefsym "ℵ"> <!ENTITY larr "←"> <!ENTITY uarr "↑"> <!ENTITY rarr "→"> <!ENTITY darr "↓"> <!ENTITY harr "↔"> <!ENTITY crarr "↵"> <!ENTITY lArr "⇐"> <!ENTITY uArr "⇑"> <!ENTITY rArr "⇒"> <!ENTITY dArr "⇓"> <!ENTITY hArr "⇔"> <!ENTITY forall "∀"> <!ENTITY part "∂"> <!ENTITY exist "∃"> <!ENTITY empty "∅"> <!ENTITY nabla "∇"> <!ENTITY isin "∈"> <!ENTITY notin "∉"> <!ENTITY ni "∋"> <!ENTITY prod "∏"> <!ENTITY sum "∑"> <!ENTITY minus "−"> <!ENTITY lowast "∗"> <!ENTITY radic "√"> <!ENTITY prop "∝"> <!ENTITY infin "∞"> <!ENTITY ang "∠"> <!ENTITY and "∧"> <!ENTITY or "∨"> <!ENTITY cap "∩"> <!ENTITY cup "∪"> <!ENTITY int "∫"> <!ENTITY there4 "∴"> <!ENTITY sim "∼"> <!ENTITY cong "≅"> <!ENTITY asymp "≈"> <!ENTITY ne "≠"> <!ENTITY equiv "≡"> <!ENTITY le "≤"> <!ENTITY ge "≥"> <!ENTITY sub "⊂"> <!ENTITY sup "⊃"> <!ENTITY nsub "⊄"> <!ENTITY sube "⊆"> <!ENTITY supe "⊇"> <!ENTITY oplus "⊕"> <!ENTITY otimes "⊗"> <!ENTITY perp "⊥"> <!ENTITY sdot "⋅"> <!ENTITY lceil "⌈"> <!ENTITY rceil "⌉"> <!ENTITY lfloor "⌊"> <!ENTITY rfloor "⌋"> <!ENTITY lang "〈"> <!ENTITY rang "〉"> <!ENTITY loz "◊"> <!ENTITY spades "♠"> <!ENTITY clubs "♣"> <!ENTITY hearts "♥"> <!ENTITY diams "♦"> ]>'; } } class_alias('SimplePie\Parser', 'SimplePie_Parser');