PHP SimplePie_Misc类代码示例

 /**
  * Create a new cache object
  * @param string $location Location string (from SimplePie::$cache_location)
  * @param string $name     Unique ID for the cache
  * @param string $type     Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
  */
 public function __construct($location, $name, $type)
 {
     $this->options = array('host' => '127.0.0.1', 'port' => 11211, 'extras' => array('timeout' => 3600, 'prefix' => 'simplepie_'));
     $this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location));
     $this->name = $this->options['extras']['prefix'] . md5("{$name}:{$type}");
     $this->cache = new Memcached();
     $this->cache->addServer($this->options['host'], (int) $this->options['port']);
 }

 /**
  * @dataProvider firefoxtests
  */
 public function test_from_file($data)
 {
     $locator = new SimplePie_Locator($data, 0, null, 'MockSimplePie_File', false);
     $expected = SimplePie_Misc::get_element('link', $data->body);
     $feed = $locator->find(SIMPLEPIE_LOCATOR_ALL, $all);
     $this->assertFalse($locator->is_feed($data), 'HTML document not be a feed itself');
     $this->assertInstanceOf('MockSimplePie_File', $feed);
     $expected = array_map(array(get_class(), 'map_url_attrib'), $expected);
     $success = array_filter($expected, array(get_class(), 'filter_success'));
     $found = array_map(array(get_class(), 'map_url_file'), $all);
     $this->assertEquals($success, $found);
 }

 function find($uri = NULL)
 {
     $ret = array();
     if (!is_null($this->data($uri))) {
         if ($this->is_feed($uri)) {
             $href = array($this->uri);
         } else {
             // Assume that we have HTML or XHTML (even if we don't, who's it gonna hurt?)
             // Autodiscovery is the preferred method
             $href = $this->_link_rel_feeds();
             // ... but we'll also take the little orange buttons
             $href = array_merge($href, $this->_a_href_feeds(TRUE));
             // If all that failed, look harder
             if (count($href) == 0) {
                 $href = $this->_a_href_feeds(FALSE);
             }
             // Our search may turn up duplicate URIs. We only need to do any given URI once.
             // Props to Camilo <http://projects.radgeek.com/2008/12/14/feedwordpress-20081214/#comment-20090122160414>
             $href = array_unique($href);
         }
         /* if */
         // Try some clever URL little tricks before we go
         $href = array_merge($href, $this->_url_manipulation_feeds());
         $href = array_unique($href);
         // Verify feeds and resolve relative URIs
         foreach ($href as $u) {
             $the_uri = SimplePie_Misc::absolutize_url($u, $this->uri);
             if ($this->verify and ($u != $this->uri and $the_uri != $this->uri)) {
                 $feed = new FeedFinder($the_uri);
                 if ($feed->is_feed()) {
                     $ret[] = $the_uri;
                 }
                 unset($feed);
             } else {
                 $ret[] = $the_uri;
             }
         }
         /* foreach */
     }
     /* if */
     return array_values($ret);
 }

 /**
  * Tries to get a favicon from a page
  * @param string $url the url to the page
  * @return string the full url to the page
  */
 protected function extractFromPage($url)
 {
     if (!$url) {
         return null;
     }
     $file = $this->getFile($url);
     if ($file->body !== '') {
         $document = new \DOMDocument();
         @$document->loadHTML($file->body);
         if ($document) {
             $xpath = new \DOMXpath($document);
             $elements = $xpath->query("//link[contains(@rel, 'icon')]");
             if ($elements->length > 0) {
                 $iconPath = $elements->item(0)->getAttribute('href');
                 $absPath = \SimplePie_Misc::absolutize_url($iconPath, $url);
                 return $absPath;
             }
         }
     }
 }

 public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
 {
     if (class_exists('idna_convert')) {
         $idn = new idna_convert();
         $parsed = SimplePie_Misc::parse_url($url);
         $url = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
     }
     $this->url = $url;
     $this->useragent = $useragent;
     if (preg_match('/^http(s)?:\\/\\//i', $url)) {
         if (!is_array($headers)) {
             $headers = array();
         }
         $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_CURL;
         $headers2 = array();
         foreach ($headers as $key => $value) {
             $headers2[] = "{$key}: {$value}";
         }
         //TODO: allow for HTTP headers
         // curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2);
         $response = self::$agent->get($url);
         if ($response === false || !isset($response['status_code'])) {
             $this->error = 'failed to fetch URL';
             $this->success = false;
         } else {
             // The extra lines at the end are there to satisfy SimplePie's HTTP parser.
             // The class expects a full HTTP message, whereas we're giving it only
             // headers - the new lines indicate the start of the body.
             $parser = new SimplePie_HTTP_Parser($response['headers'] . "\r\n\r\n");
             if ($parser->parse()) {
                 $this->headers = $parser->headers;
                 //$this->body = $parser->body;
                 $this->body = $response['body'];
                 $this->status_code = $parser->status_code;
             }
         }
     } else {
         $this->error = 'invalid URL';
         $this->success = false;
     }
 }

 /**
  * Create a new cache object
  *
  * @param string $location Location string (from SimplePie::$cache_location)
  * @param string $name Unique ID for the cache
  * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
  */
 public function __construct($location, $name, $type)
 {
     $this->options = array('user' => null, 'pass' => null, 'host' => '127.0.0.1', 'port' => '3306', 'path' => '', 'extras' => array('prefix' => '', 'cache_purge_time' => 2592000));
     $this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location));
     // Path is prefixed with a "/"
     $this->options['dbname'] = substr($this->options['path'], 1);
     try {
         $this->mysql = new PDO("mysql:dbname={$this->options['dbname']};host={$this->options['host']};port={$this->options['port']}", $this->options['user'], $this->options['pass'], array(PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8'));
     } catch (PDOException $e) {
         $this->mysql = null;
         return;
     }
     $this->id = $name . $type;
     if (!($query = $this->mysql->query('SHOW TABLES'))) {
         $this->mysql = null;
         return;
     }
     $db = array();
     while ($row = $query->fetchColumn()) {
         $db[] = $row;
     }
     if (!in_array($this->options['extras']['prefix'] . 'cache_data', $db)) {
         $query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))');
         if ($query === false) {
             trigger_error("Can't create " . $this->options['extras']['prefix'] . "cache_data table, check permissions", E_USER_WARNING);
             $this->mysql = null;
             return;
         }
     }
     if (!in_array($this->options['extras']['prefix'] . 'items', $db)) {
         $query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` MEDIUMBLOB NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))');
         if ($query === false) {
             trigger_error("Can't create " . $this->options['extras']['prefix'] . "items table, check permissions", E_USER_WARNING);
             $this->mysql = null;
             return;
         }
     }
 }

 public function get_copyright()
 {
     if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights')) {
         return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
     } elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright')) {
         return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
     } elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright')) {
         return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
     } elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights')) {
         return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
     } elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights')) {
         return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
     } else {
         return null;
     }
 }

<?php

require_once "config.php";
require_once "lib/simplepie/simplepie.inc";
SimplePie_Misc::display_cached_file($_GET['i'], SIMPLEPIE_CACHE_DIR, 'spi');

 function find($uri = NULL, $params = array())
 {
     $params = wp_parse_args($params, array("authentication" => -1, "username" => NULL, "password" => NULL));
     // Equivalents
     if ($params['authentication'] == '-') {
         $params['authentication'] = NULL;
         $params['username'] = NULL;
         $params['password'] = NULL;
     }
     // Set/reset
     if ($params['authentication'] != -1) {
         $this->credentials = array("authentication" => $params['authentication'], "username" => $params['username'], "password" => $params['password']);
     }
     $ret = array();
     if (!is_null($this->data($uri))) {
         if ($this->is_opml($uri)) {
             $href = $this->_opml_rss_uris();
         } else {
             if ($this->is_feed($uri)) {
                 $href = array($this->uri);
             } else {
                 // Assume that we have HTML or XHTML (even if we don't, who's
                 // it gonna hurt?) Autodiscovery is the preferred method.
                 $href = $this->_link_rel_feeds();
                 // ... but we'll also take the little orange buttons
                 if ($this->fallbacks > 0) {
                     $href = array_merge($href, $this->_a_href_feeds(TRUE));
                 }
                 // If all that failed, look harder
                 if ($this->fallbacks > 1) {
                     if (count($href) == 0) {
                         $href = $this->_a_href_feeds(FALSE);
                     }
                 }
                 // Our search may turn up duplicate URIs. We only need to do
                 // any given URI once. Props to Camilo <http://projects.radgeek.com/2008/12/14/feedwordpress-20081214/#comment-20090122160414>
                 $href = array_unique($href);
             }
             // Try some clever URL little tricks before we go
             if ($this->fallbacks > 2) {
                 $href = array_merge($href, $this->_url_manipulation_feeds());
             }
         }
         $href = array_unique($href);
         // Verify feeds and resolve relative URIs
         foreach ($href as $u) {
             $the_uri = SimplePie_Misc::absolutize_url($u, $this->uri);
             if ($this->verify and ($u != $this->uri and $the_uri != $this->uri)) {
                 $feed = new FeedFinder($the_uri, $this->credentials);
                 if ($feed->is_feed()) {
                     $ret[] = $the_uri;
                 }
                 unset($feed);
             } else {
                 $ret[] = $the_uri;
             }
         }
     }
     if ($this->is_401($uri)) {
         $ret = array_merge(array(new WP_Error('http_request_failed', '401 Not authorized', array("uri" => $this->uri, "status" => 401))), $ret);
     }
     return array_values($ret);
 }

 /**
  * Grabs all available enclosures (podcasts, etc.)
  *
  * Supports the <enclosure> RSS tag, as well as Media RSS and iTunes RSS.
  *
  * At this point, we're pretty much assuming that all enclosures for an item are the same content.  Anything else is too complicated to properly support.
  *
  * @todo Add support for end-user defined sorting of enclosures by type/handler (so we can prefer the faster-loading FLV over MP4).
  * @todo If an element exists at a level, but it's value is empty, we should fall back to the value from the parent (if it exists).
  */
 public function get_enclosures()
 {
     if (!isset($this->data['enclosures'])) {
         $this->data['enclosures'] = array();
         // Elements
         $captions_parent = null;
         $categories_parent = null;
         $copyrights_parent = null;
         $credits_parent = null;
         $description_parent = null;
         $duration_parent = null;
         $hashes_parent = null;
         $keywords_parent = null;
         $player_parent = null;
         $ratings_parent = null;
         $restrictions_parent = null;
         $thumbnails_parent = null;
         $title_parent = null;
         // Let's do the channel and item-level ones first, and just re-use them if we need to.
         $parent = $this->get_feed();
         // CAPTIONS
         if ($captions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text')) {
             foreach ($captions as $caption) {
                 $caption_type = null;
                 $caption_lang = null;
                 $caption_startTime = null;
                 $caption_endTime = null;
                 $caption_text = null;
                 if (isset($caption['attribs']['']['type'])) {
                     $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                 }
                 if (isset($caption['attribs']['']['lang'])) {
                     $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
                 }
                 if (isset($caption['attribs']['']['start'])) {
                     $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
                 }
                 if (isset($caption['attribs']['']['end'])) {
                     $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
                 }
                 if (isset($caption['data'])) {
                     $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                 }
                 $captions_parent[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
             }
         } elseif ($captions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text')) {
             foreach ($captions as $caption) {
                 $caption_type = null;
                 $caption_lang = null;
                 $caption_startTime = null;
                 $caption_endTime = null;
                 $caption_text = null;
                 if (isset($caption['attribs']['']['type'])) {
                     $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
                 }
                 if (isset($caption['attribs']['']['lang'])) {
                     $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
                 }
                 if (isset($caption['attribs']['']['start'])) {
                     $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
                 }
                 if (isset($caption['attribs']['']['end'])) {
                     $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
                 }
                 if (isset($caption['data'])) {
                     $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
                 }
                 $captions_parent[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
             }
         }
         if (is_array($captions_parent)) {
             $captions_parent = array_values(SimplePie_Misc::array_unique($captions_parent));
         }
         // CATEGORIES
         foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category) {
             $term = null;
             $scheme = null;
             $label = null;
             if (isset($category['data'])) {
                 $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
             }
             if (isset($category['attribs']['']['scheme'])) {
                 $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
             } else {
                 $scheme = 'http://search.yahoo.com/mrss/category_schema';
             }
             if (isset($category['attribs']['']['label'])) {
                 $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
             }
             $categories_parent[] = new $this->feed->category_class($term, $scheme, $label);
//.........这里部分代码省略.........

 public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
 {
     if (class_exists('idna_convert')) {
         $idn = new idna_convert();
         $parsed = SimplePie_Misc::parse_url($url);
         $url = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
     }
     $this->url = $url;
     $this->useragent = $useragent;
     if (preg_match('/^http(s)?:\\/\\//i', $url)) {
         if ($useragent === null) {
             $useragent = ini_get('user_agent');
             $this->useragent = $useragent;
         }
         if (!is_array($headers)) {
             $headers = array();
         }
         if (!$force_fsockopen && function_exists('curl_exec')) {
             $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_CURL;
             $fp = curl_init();
             $headers2 = array();
             foreach ($headers as $key => $value) {
                 $headers2[] = "{$key}: {$value}";
             }
             if (version_compare(SimplePie_Misc::get_curl_version(), '7.10.5', '>=')) {
                 curl_setopt($fp, CURLOPT_ENCODING, '');
             }
             curl_setopt($fp, CURLOPT_URL, $url);
             curl_setopt($fp, CURLOPT_HEADER, 1);
             curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1);
             curl_setopt($fp, CURLOPT_TIMEOUT, $timeout);
             curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout);
             curl_setopt($fp, CURLOPT_REFERER, $url);
             curl_setopt($fp, CURLOPT_USERAGENT, $useragent);
             curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2);
             if (!ini_get('open_basedir') && !ini_get('safe_mode') && version_compare(SimplePie_Misc::get_curl_version(), '7.15.2', '>=')) {
                 curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1);
                 curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects);
             }
             $this->headers = curl_exec($fp);
             if (curl_errno($fp) === 23 || curl_errno($fp) === 61) {
                 curl_setopt($fp, CURLOPT_ENCODING, 'none');
                 $this->headers = curl_exec($fp);
             }
             if (curl_errno($fp)) {
                 $this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp);
                 $this->success = false;
             } else {
                 $info = curl_getinfo($fp);
                 curl_close($fp);
                 $this->headers = explode("\r\n\r\n", $this->headers, $info['redirect_count'] + 1);
                 $this->headers = array_pop($this->headers);
                 $parser = new SimplePie_HTTP_Parser($this->headers);
                 if ($parser->parse()) {
                     $this->headers = $parser->headers;
                     $this->body = $parser->body;
                     $this->status_code = $parser->status_code;
                     if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects) {
                         $this->redirects++;
                         $location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
                         return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
                     }
                 }
             }
         } else {
             $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_FSOCKOPEN;
             $url_parts = parse_url($url);
             $socket_host = $url_parts['host'];
             if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https') {
                 $socket_host = "ssl://{$url_parts['host']}";
                 $url_parts['port'] = 443;
             }
             if (!isset($url_parts['port'])) {
                 $url_parts['port'] = 80;
             }
             $fp = @fsockopen($socket_host, $url_parts['port'], $errno, $errstr, $timeout);
             if (!$fp) {
                 $this->error = 'fsockopen error: ' . $errstr;
                 $this->success = false;
             } else {
                 stream_set_timeout($fp, $timeout);
                 if (isset($url_parts['path'])) {
                     if (isset($url_parts['query'])) {
                         $get = "{$url_parts['path']}?{$url_parts['query']}";
                     } else {
                         $get = $url_parts['path'];
                     }
                 } else {
                     $get = '/';
                 }
                 $out = "GET {$get} HTTP/1.1\r\n";
                 $out .= "Host: {$url_parts['host']}\r\n";
                 $out .= "User-Agent: {$useragent}\r\n";
                 if (extension_loaded('zlib')) {
                     $out .= "Accept-Encoding: x-gzip,gzip,deflate\r\n";
                 }
                 if (isset($url_parts['user']) && isset($url_parts['pass'])) {
                     $out .= "Authorization: Basic " . base64_encode("{$url_parts['user']}:{$url_parts['pass']}") . "\r\n";
                 }
                 foreach ($headers as $key => $value) {
//.........这里部分代码省略.........

 function replace_urls($data, $tag, $attributes)
 {
     if (!is_array($this->strip_htmltags) || !in_array($tag, $this->strip_htmltags)) {
         $elements = SimplePie_Misc::get_element($tag, $data);
         foreach ($elements as $element) {
             if (is_array($attributes)) {
                 foreach ($attributes as $attribute) {
                     if (isset($element['attribs'][$attribute]['data'])) {
                         $element['attribs'][$attribute]['data'] = SimplePie_Misc::absolutize_url($element['attribs'][$attribute]['data'], $this->base);
                         $new_element = SimplePie_Misc::element_implode($element);
                         $data = str_replace($element['full'], $new_element, $data);
                         $element['full'] = $new_element;
                     }
                 }
             } elseif (isset($element['attribs'][$attributes]['data'])) {
                 $element['attribs'][$attributes]['data'] = SimplePie_Misc::absolutize_url($element['attribs'][$attributes]['data'], $this->base);
                 $data = str_replace($element['full'], SimplePie_Misc::element_implode($element), $data);
             }
         }
     }
     return $data;
 }

 * @package Lilina
 * @version 1.0
 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
 */
/** */
define('LILINA_PATH', dirname(__FILE__));
define('LILINA_INCPATH', LILINA_PATH . '/inc');
define('LILINA_PAGE', 'favicon');
// Hide errors
ini_set('display_errors', false);
require_once LILINA_INCPATH . '/contrib/simplepie.class.php';
if (!isset($_GET['i'])) {
    die;
}
require_once LILINA_INCPATH . '/core/conf.php';
require_once LILINA_INCPATH . '/core/plugin-functions.php';
function faux_hash($input)
{
    return $input;
}
if ($_GET['i'] != 'default' && file_exists(LILINA_CACHE_DIR . $_GET['i'] . '.spi')) {
    SimplePie_Misc::display_cached_file($_GET['i'], LILINA_CONTENT_DIR . '/system/cache', 'spi', 'SimplePie_Cache', 'faux_hash');
} else {
    require_once LILINA_INCPATH . '/core/class-templates.php';
    Locale::load_default_textdomain();
    header('Content-Type: image/png');
    header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT');
    // 7 days
    echo file_get_contents(Templates::get_file('feed.png'));
    die;
}

 function result()
 {
     if ($this->data['file']->url != 'http://diveintomark.org/tests/client/autodiscovery/') {
         parent::result();
     }
     static $done = array();
     $links = SimplePie_Misc::get_element('link', $this->data['file']->body);
     foreach ($links as $link) {
         if (!empty($link['attribs']['href']['data']) && !empty($link['attribs']['rel']['data'])) {
             $rel = array_unique(SimplePie_Misc::space_seperated_tokens(strtolower($link['attribs']['rel']['data'])));
             $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->data['file']->url);
             if (!in_array($href, $done) && in_array('next', $rel)) {
                 $done[] = $this->data['url'] = $href;
                 break;
             }
         }
     }
     if ($this->data['url']) {
         $this->run();
     }
 }

 /**
  * Decode an entity
  *
  * @access private
  */
 public function entity()
 {
     switch ($this->consume()) {
         case "\t":
         case "\n":
         case "\v":
         case "\v":
         case "\f":
         case " ":
         case "<":
         case "&":
         case false:
             break;
         case "#":
             switch ($this->consume()) {
                 case "x":
                 case "X":
                     $range = '0123456789ABCDEFabcdef';
                     $hex = true;
                     break;
                 default:
                     $range = '0123456789';
                     $hex = false;
                     $this->unconsume();
                     break;
             }
             if ($codepoint = $this->consume_range($range)) {
                 static $windows_1252_specials = array(0xd => "\n", 0x80 => "€", 0x81 => "�", 0x82 => "‚", 0x83 => "ƒ", 0x84 => "„", 0x85 => "…", 0x86 => "†", 0x87 => "‡", 0x88 => "ˆ", 0x89 => "‰", 0x8a => "Š", 0x8b => "‹", 0x8c => "Œ", 0x8d => "�", 0x8e => "Ž", 0x8f => "�", 0x90 => "�", 0x91 => "‘", 0x92 => "’", 0x93 => "“", 0x94 => "”", 0x95 => "•", 0x96 => "–", 0x97 => "—", 0x98 => "˜", 0x99 => "™", 0x9a => "š", 0x9b => "›", 0x9c => "œ", 0x9d => "�", 0x9e => "ž", 0x9f => "Ÿ");
                 if ($hex) {
                     $codepoint = hexdec($codepoint);
                 } else {
                     $codepoint = intval($codepoint);
                 }
                 if (isset($windows_1252_specials[$codepoint])) {
                     $replacement = $windows_1252_specials[$codepoint];
                 } else {
                     $replacement = SimplePie_Misc::codepoint_to_utf8($codepoint);
                 }
                 if (!in_array($this->consume(), array(';', false), true)) {
                     $this->unconsume();
                 }
                 $consumed_length = strlen($this->consumed);
                 $this->data = substr_replace($this->data, $replacement, $this->position - $consumed_length, $consumed_length);
                 $this->position += strlen($replacement) - $consumed_length;
             }
             break;
         default:
             static $entities = array('Aacute' => "Á", 'aacute' => "á", 'Aacute;' => "Á", 'aacute;' => "á", 'Acirc' => "Â", 'acirc' => "â", 'Acirc;' => "Â", 'acirc;' => "â", 'acute' => "´", 'acute;' => "´", 'AElig' => "Æ", 'aelig' => "æ", 'AElig;' => "Æ", 'aelig;' => "æ", 'Agrave' => "À", 'agrave' => "à", 'Agrave;' => "À", 'agrave;' => "à", 'alefsym;' => "ℵ", 'Alpha;' => "Α", 'alpha;' => "α", 'AMP' => "&", 'amp' => "&", 'AMP;' => "&", 'amp;' => "&", 'and;' => "∧", 'ang;' => "∠", 'apos;' => "'", 'Aring' => "Å", 'aring' => "å", 'Aring;' => "Å", 'aring;' => "å", 'asymp;' => "≈", 'Atilde' => "Ã", 'atilde' => "ã", 'Atilde;' => "Ã", 'atilde;' => "ã", 'Auml' => "Ä", 'auml' => "ä", 'Auml;' => "Ä", 'auml;' => "ä", 'bdquo;' => "„", 'Beta;' => "Β", 'beta;' => "β", 'brvbar' => "¦", 'brvbar;' => "¦", 'bull;' => "•", 'cap;' => "∩", 'Ccedil' => "Ç", 'ccedil' => "ç", 'Ccedil;' => "Ç", 'ccedil;' => "ç", 'cedil' => "¸", 'cedil;' => "¸", 'cent' => "¢", 'cent;' => "¢", 'Chi;' => "Χ", 'chi;' => "χ", 'circ;' => "ˆ", 'clubs;' => "♣", 'cong;' => "≅", 'COPY' => "©", 'copy' => "©", 'COPY;' => "©", 'copy;' => "©", 'crarr;' => "↵", 'cup;' => "∪", 'curren' => "¤", 'curren;' => "¤", 'Dagger;' => "‡", 'dagger;' => "†", 'dArr;' => "⇓", 'darr;' => "↓", 'deg' => "°", 'deg;' => "°", 'Delta;' => "Δ", 'delta;' => "δ", 'diams;' => "♦", 'divide' => "÷", 'divide;' => "÷", 'Eacute' => "É", 'eacute' => "é", 'Eacute;' => "É", 'eacute;' => "é", 'Ecirc' => "Ê", 'ecirc' => "ê", 'Ecirc;' => "Ê", 'ecirc;' => "ê", 'Egrave' => "È", 'egrave' => "è", 'Egrave;' => "È", 'egrave;' => "è", 'empty;' => "∅", 'emsp;' => " ", 'ensp;' => " ", 'Epsilon;' => "Ε", 'epsilon;' => "ε", 'equiv;' => "≡", 'Eta;' => "Η", 'eta;' => "η", 'ETH' => "Ð", 'eth' => "ð", 'ETH;' => "Ð", 'eth;' => "ð", 'Euml' => "Ë", 'euml' => "ë", 'Euml;' => "Ë", 'euml;' => "ë", 'euro;' => "€", 'exist;' => "∃", 'fnof;' => "ƒ", 'forall;' => "∀", 'frac12' => "½", 'frac12;' => "½", 'frac14' => "¼", 'frac14;' => "¼", 'frac34' => "¾", 'frac34;' => "¾", 'frasl;' => "⁄", 'Gamma;' => "Γ", 'gamma;' => "γ", 'ge;' => "≥", 'GT' => ">", 'gt' => ">", 'GT;' => ">", 'gt;' => ">", 'hArr;' => "⇔", 'harr;' => "↔", 'hearts;' => "♥", 'hellip;' => "…", 'Iacute' => "Í", 'iacute' => "í", 'Iacute;' => "Í", 'iacute;' => "í", 'Icirc' => "Î", 'icirc' => "î", 'Icirc;' => "Î", 'icirc;' => "î", 'iexcl' => "¡", 'iexcl;' => "¡", 'Igrave' => "Ì", 'igrave' => "ì", 'Igrave;' => "Ì", 'igrave;' => "ì", 'image;' => "ℑ", 'infin;' => "∞", 'int;' => "∫", 'Iota;' => "Ι", 'iota;' => "ι", 'iquest' => "¿", 'iquest;' => "¿", 'isin;' => "∈", 'Iuml' => "Ï", 'iuml' => "ï", 'Iuml;' => "Ï", 'iuml;' => "ï", 'Kappa;' => "Κ", 'kappa;' => "κ", 'Lambda;' => "Λ", 'lambda;' => "λ", 'lang;' => "〈", 'laquo' => "«", 'laquo;' => "«", 'lArr;' => "⇐", 'larr;' => "←", 'lceil;' => "⌈", 'ldquo;' => "“", 'le;' => "≤", 'lfloor;' => "⌊", 'lowast;' => "∗", 'loz;' => "◊", 'lrm;' => "‎", 'lsaquo;' => "‹", 'lsquo;' => "‘", 'LT' => "<", 'lt' => "<", 'LT;' => "<", 'lt;' => "<", 'macr' => "¯", 'macr;' => "¯", 'mdash;' => "—", 'micro' => "µ", 'micro;' => "µ", 'middot' => "·", 'middot;' => "·", 'minus;' => "−", 'Mu;' => "Μ", 'mu;' => "μ", 'nabla;' => "∇", 'nbsp' => " ", 'nbsp;' => " ", 'ndash;' => "–", 'ne;' => "≠", 'ni;' => "∋", 'not' => "¬", 'not;' => "¬", 'notin;' => "∉", 'nsub;' => "⊄", 'Ntilde' => "Ñ", 'ntilde' => "ñ", 'Ntilde;' => "Ñ", 'ntilde;' => "ñ", 'Nu;' => "Ν", 'nu;' => "ν", 'Oacute' => "Ó", 'oacute' => "ó", 'Oacute;' => "Ó", 'oacute;' => "ó", 'Ocirc' => "Ô", 'ocirc' => "ô", 'Ocirc;' => "Ô", 'ocirc;' => "ô", 'OElig;' => "Œ", 'oelig;' => "œ", 'Ograve' => "Ò", 'ograve' => "ò", 'Ograve;' => "Ò", 'ograve;' => "ò", 'oline;' => "‾", 'Omega;' => "Ω", 'omega;' => "ω", 'Omicron;' => "Ο", 'omicron;' => "ο", 'oplus;' => "⊕", 'or;' => "∨", 'ordf' => "ª", 'ordf;' => "ª", 'ordm' => "º", 'ordm;' => "º", 'Oslash' => "Ø", 'oslash' => "ø", 'Oslash;' => "Ø", 'oslash;' => "ø", 'Otilde' => "Õ", 'otilde' => "õ", 'Otilde;' => "Õ", 'otilde;' => "õ", 'otimes;' => "⊗", 'Ouml' => "Ö", 'ouml' => "ö", 'Ouml;' => "Ö", 'ouml;' => "ö", 'para' => "¶", 'para;' => "¶", 'part;' => "∂", 'permil;' => "‰", 'perp;' => "⊥", 'Phi;' => "Φ", 'phi;' => "φ", 'Pi;' => "Π", 'pi;' => "π", 'piv;' => "ϖ", 'plusmn' => "±", 'plusmn;' => "±", 'pound' => "£", 'pound;' => "£", 'Prime;' => "″", 'prime;' => "′", 'prod;' => "∏", 'prop;' => "∝", 'Psi;' => "Ψ", 'psi;' => "ψ", 'QUOT' => "\"", 'quot' => "\"", 'QUOT;' => "\"", 'quot;' => "\"", 'radic;' => "√", 'rang;' => "〉", 'raquo' => "»", 'raquo;' => "»", 'rArr;' => "⇒", 'rarr;' => "→", 'rceil;' => "⌉", 'rdquo;' => "”", 'real;' => "ℜ", 'REG' => "®", 'reg' => "®", 'REG;' => "®", 'reg;' => "®", 'rfloor;' => "⌋", 'Rho;' => "Ρ", 'rho;' => "ρ", 'rlm;' => "‏", 'rsaquo;' => "›", 'rsquo;' => "’", 'sbquo;' => "‚", 'Scaron;' => "Š", 'scaron;' => "š", 'sdot;' => "⋅", 'sect' => "§", 'sect;' => "§", 'shy' => "­", 'shy;' => "­", 'Sigma;' => "Σ", 'sigma;' => "σ", 'sigmaf;' => "ς", 'sim;' => "∼", 'spades;' => "♠", 'sub;' => "⊂", 'sube;' => "⊆", 'sum;' => "∑", 'sup;' => "⊃", 'sup1' => "¹", 'sup1;' => "¹", 'sup2' => "²", 'sup2;' => "²", 'sup3' => "³", 'sup3;' => "³", 'supe;' => "⊇", 'szlig' => "ß", 'szlig;' => "ß", 'Tau;' => "Τ", 'tau;' => "τ", 'there4;' => "∴", 'Theta;' => "Θ", 'theta;' => "θ", 'thetasym;' => "ϑ", 'thinsp;' => " ", 'THORN' => "Þ", 'thorn' => "þ", 'THORN;' => "Þ", 'thorn;' => "þ", 'tilde;' => "˜", 'times' => "×", 'times;' => "×", 'TRADE;' => "™", 'trade;' => "™", 'Uacute' => "Ú", 'uacute' => "ú", 'Uacute;' => "Ú", 'uacute;' => "ú", 'uArr;' => "⇑", 'uarr;' => "↑", 'Ucirc' => "Û", 'ucirc' => "û", 'Ucirc;' => "Û", 'ucirc;' => "û", 'Ugrave' => "Ù", 'ugrave' => "ù", 'Ugrave;' => "Ù", 'ugrave;' => "ù", 'uml' => "¨", 'uml;' => "¨", 'upsih;' => "ϒ", 'Upsilon;' => "Υ", 'upsilon;' => "υ", 'Uuml' => "Ü", 'uuml' => "ü", 'Uuml;' => "Ü", 'uuml;' => "ü", 'weierp;' => "℘", 'Xi;' => "Ξ", 'xi;' => "ξ", 'Yacute' => "Ý", 'yacute' => "ý", 'Yacute;' => "Ý", 'yacute;' => "ý", 'yen' => "¥", 'yen;' => "¥", 'yuml' => "ÿ", 'Yuml;' => "Ÿ", 'yuml;' => "ÿ", 'Zeta;' => "Ζ", 'zeta;' => "ζ", 'zwj;' => "‍", 'zwnj;' => "‌");
             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;
     }
 }