--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/SimplePie/src/Parser.php Fri Sep 05 18:52:52 2025 +0200
@@ -0,0 +1,630 @@
+<?php
+
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * * Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Sam Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+namespace SimplePie;
+
+use SimplePie\XML\Declaration\Parser as DeclarationParser;
+
+/**
+ * Parses XML into something sane
+ *
+ *
+ * This class can be overloaded with {@see \SimplePie\SimplePie::set_parser_class()}
+ *
+ * @package SimplePie
+ * @subpackage Parsing
+ */
+class Parser implements RegistryAware
+{
+ public $error_code;
+ public $error_string;
+ public $current_line;
+ public $current_column;
+ public $current_byte;
+ public $separator = ' ';
+ public $namespace = [''];
+ public $element = [''];
+ public $xml_base = [''];
+ public $xml_base_explicit = [false];
+ public $xml_lang = [''];
+ public $data = [];
+ public $datas = [[]];
+ public $current_xhtml_construct = -1;
+ public $encoding;
+ protected $registry;
+
+ public function set_registry(\SimplePie\Registry $registry)/* : void */
+ {
+ $this->registry = $registry;
+ }
+
+ public function parse(&$data, $encoding, $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 ")]';
+ $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". $this->declare_html_entities() . $data;
+ } else {
+ $this->error_string = 'SimplePie bug! Please report this!';
+ return false;
+ }
+ }
+
+ $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>', $values);
+ xml_parser_free($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 {
+ $stream_data = fread($stream, 1048576);
+ if (!xml_parse($xml, $stream_data === false ? '' : $stream_data, feof($stream))) {
+ $this->error_code = xml_get_error_code($xml);
+ $this->error_string = xml_error_string($this->error_code);
+ $return = false;
+ break;
+ }
+ } while (!feof($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);
+ xml_parser_free($xml);
+ return $return;
+ }
+
+ libxml_clear_errors();
+ $xml = new \XMLReader();
+ $xml->xml($data);
+ while (@$xml->read()) {
+ switch ($xml->nodeType) {
+ case constant('XMLReader::END_ELEMENT'):
+ if ($xml->namespaceURI !== '') {
+ $tagName = $xml->namespaceURI . $this->separator . $xml->localName;
+ } else {
+ $tagName = $xml->localName;
+ }
+ $this->tag_close(null, $tagName);
+ break;
+ case constant('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 constant('XMLReader::TEXT'):
+
+ case constant('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;
+ }
+
+ public function get_error_code()
+ {
+ return $this->error_code;
+ }
+
+ public function get_error_string()
+ {
+ return $this->error_string;
+ }
+
+ public function get_current_line()
+ {
+ return $this->current_line;
+ }
+
+ public function get_current_column()
+ {
+ return $this->current_column;
+ }
+
+ public function get_current_byte()
+ {
+ return $this->current_byte;
+ }
+
+ public function get_data()
+ {
+ return $this->data;
+ }
+
+ public function tag_open($parser, $tag, $attributes)
+ {
+ [$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']))) {
+ $this->current_xhtml_construct = 0;
+ }
+ }
+ }
+
+ public function cdata($parser, $cdata)
+ {
+ if ($this->current_xhtml_construct >= 0) {
+ $this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding);
+ } else {
+ $this->data['data'] .= $cdata;
+ }
+ }
+
+ public function tag_close($parser, $tag)
+ {
+ if ($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($this->xml_lang);
+ }
+
+ public function split_ns($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];
+ }
+
+ private function parse_hcard($data, $category = false)
+ {
+ $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 $data['value'] ?? '';
+ }
+
+ private function parse_microformats(&$data, $url)
+ {
+ $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 {
+ $mf = \Mf2\fetch($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 function declare_html_entities()
+ {
+ // 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 html [ <!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');