true, 'output-xhtml' => true, 'logical-emphasis' => true, 'show-body-only' => false, 'new-blocklevel-tags' => 'article, aside, footer, header, hgroup, menu, nav, section, details, datagrid', 'new-inline-tags' => 'mark, time, meter, progress, data', 'wrap' => 0, 'drop-empty-paras' => true, 'drop-proprietary-attributes' => false, 'enclose-text' => true, 'enclose-block-text' => true, 'merge-divs' => true, 'merge-spans' => true, 'char-encoding' => 'utf8', 'hide-comments' => true ); protected $html; protected $config; protected $userSubmittedConfig; protected $title; protected $nativeAd = false; protected $author = array(); protected $language; protected $date; protected $body; protected $success = false; protected $nextPageUrl; public $allowedParsers = array('libxml', 'html5php'); public $defaultParser = 'libxml'; public $parserOverride = null; public $fingerprints = array(); public $readability; public $debug = false; public $debugVerbose = false; function __construct($path, $fallback=null) { SiteConfig::set_config_path($path, $fallback); } protected function debug($msg) { if ($this->debug) { $mem = round(memory_get_usage()/1024, 2); $memPeak = round(memory_get_peak_usage()/1024, 2); echo '* ',$msg; if ($this->debugVerbose) echo ' - mem used: ',$mem," (peak: $memPeak)"; echo "\n"; ob_flush(); flush(); } } public function reset() { // we do not reset $this->userSubmittedConfig (it gets reused) $this->html = null; $this->readability = null; $this->config = null; $this->title = null; $this->nativeAd = false; $this->body = null; $this->author = array(); $this->language = null; $this->date = null; $this->nextPageUrl = null; $this->success = false; } public function findHostUsingFingerprints($html) { $this->debug('Checking fingerprints...'); $head = substr($html, 0, 8000); foreach ($this->fingerprints as $_fp => $_fphost) { $lookin = 'html'; if (is_array($_fphost)) { if (isset($_fphost['head']) && $_fphost['head']) { $lookin = 'head'; } $_fphost = $_fphost['hostname']; } if (strpos($$lookin, $_fp) !== false) { $this->debug("Found match: $_fphost"); return $_fphost; } } $this->debug('No fingerprint matches'); return false; } // returns SiteConfig instance (joined in order: exact match, wildcard, fingerprint, global, default) public function buildSiteConfig($url, $html='', $add_to_cache=true) { // extract host name $host = @parse_url($url, PHP_URL_HOST); $host = strtolower($host); if (substr($host, 0, 4) == 'www.') $host = substr($host, 4); // is merged version already cached? if (SiteConfig::is_cached("$host.merged")) { $this->debug("Returning cached and merged site config for $host"); return SiteConfig::build("$host.merged"); } // let's build from site_config/custom/ and standard/ $config = SiteConfig::build($host); if ($add_to_cache && $config && !SiteConfig::is_cached("$host")) { SiteConfig::add_to_cache($host, $config); } // if no match, use defaults if (!$config) $config = new SiteConfig(); // load fingerprint config? if ($config->autodetect_on_failure()) { // check HTML for fingerprints if (!empty($this->fingerprints) && ($_fphost = $this->findHostUsingFingerprints($html))) { if ($config_fingerprint = SiteConfig::build($_fphost)) { $this->debug("Appending site config settings from $_fphost (fingerprint match)"); $config->append($config_fingerprint); if ($add_to_cache && !SiteConfig::is_cached($_fphost)) { //$config_fingerprint->cache_in_apc = true; SiteConfig::add_to_cache($_fphost, $config_fingerprint); } } } } // load global config? if ($config->autodetect_on_failure()) { if ($config_global = SiteConfig::build('global', true)) { $this->debug('Appending site config settings from global.txt'); $config->append($config_global); if ($add_to_cache && !SiteConfig::is_cached('global')) { //$config_global->cache_in_apc = true; SiteConfig::add_to_cache('global', $config_global); } } } // store copy of merged config if ($add_to_cache) { // do not store in APC if wildcard match $use_apc = ($host == $config->cache_key); $config->cache_key = null; SiteConfig::add_to_cache("$host.merged", $config, $use_apc); } return $config; } // returns true on success, false on failure // $smart_tidy indicates that if tidy is used and no results are produced, we will // try again without it. Tidy helps us deal with PHP's patchy HTML parsing most of the time // but it has problems of its own which we try to avoid with this option. public function process($html, $url, $smart_tidy=true) { $this->reset(); // use user submitted config and merge it with regular one if (isset($this->userSubmittedConfig)) { $this->debug('Using user-submitted site config'); $this->config = $this->userSubmittedConfig; if ($this->config->autodetect_on_failure()) { $this->debug('Merging user-submitted site config with site config files associated with this URL and/or content'); $this->config->append($this->buildSiteConfig($url, $html)); } } else { $this->config = $this->buildSiteConfig($url, $html); } // do string replacements if (!empty($this->config->find_string)) { if (count($this->config->find_string) == count($this->config->replace_string)) { $html = str_replace($this->config->find_string, $this->config->replace_string, $html, $_count); $this->debug("Strings replaced: $_count (find_string and/or replace_string)"); } else { $this->debug('Skipped string replacement - incorrect number of find-replace strings in site config'); } unset($_count); } // use tidy (if it exists)? // This fixes problems with some sites which would otherwise // trouble DOMDocument's HTML parsing. (Although sometimes it // makes matters worse, which is why you can override it in site config files.) $tidied = false; if ($this->config->tidy() && function_exists('tidy_parse_string') && $smart_tidy) { $this->debug('Using Tidy'); $tidy = tidy_parse_string($html, self::$tidy_config, 'UTF8'); if (tidy_clean_repair($tidy)) { $original_html = $html; $tidied = true; $html = $tidy->value; } unset($tidy); } // load and parse html if ($this->parserOverride) { // from querystring: &parser=xxx $_parser = $this->parserOverride; } else { // from site config file: parser: xxx $_parser = $this->config->parser(); } // for backword compatibility... if ($_parser == 'html5lib') $_parser = 'html5php'; if (!in_array($_parser, $this->allowedParsers)) { $this->debug("HTML parser $_parser not listed, using ".$this->defaultParser." instead"); $_parser = $this->defaultParser; } $this->debug("Attempting to parse HTML with $_parser"); $this->readability = new Readability($html, $url, $_parser); // we use xpath to find elements in the given HTML document // see http://en.wikipedia.org/wiki/XPath_1.0 $xpath = new DOMXPath($this->readability->dom); // try to get next page link foreach ($this->config->next_page_link as $pattern) { $elems = @$xpath->evaluate($pattern, $this->readability->dom); if (is_string($elems)) { $this->nextPageUrl = trim($elems); break; } elseif ($elems instanceof DOMNodeList && $elems->length > 0) { foreach ($elems as $item) { if ($item instanceof DOMElement && $item->hasAttribute('href')) { $this->nextPageUrl = $item->getAttribute('href'); break 2; } elseif ($item instanceof DOMAttr && $item->value) { $this->nextPageUrl = $item->value; break 2; } } } } // check if this is a native ad foreach ($this->config->native_ad_clue as $pattern) { $elems = @$xpath->evaluate($pattern, $this->readability->dom); if ($elems instanceof DOMNodeList && $elems->length > 0) { $this->nativeAd = true; break; } } // try to get title foreach ($this->config->title as $pattern) { // $this->debug("Trying $pattern"); $elems = @$xpath->evaluate($pattern, $this->readability->dom); if (is_string($elems)) { $this->title = trim($elems); $this->debug('Title expression evaluated as string: '.$this->title); $this->debug("...XPath match: $pattern"); break; } elseif ($elems instanceof DOMNodeList && $elems->length > 0) { $this->title = $elems->item(0)->textContent; $this->debug('Title matched: '.$this->title); $this->debug("...XPath match: $pattern"); // remove title from document try { @$elems->item(0)->parentNode->removeChild($elems->item(0)); } catch (DOMException $e) { // do nothing } break; } } // try to get author (if it hasn't already been set) if (empty($this->author)) { foreach ($this->config->author as $pattern) { $elems = @$xpath->evaluate($pattern, $this->readability->dom); if (is_string($elems)) { if (trim($elems) != '') { $this->author[] = trim($elems); $this->debug('Author expression evaluated as string: '.trim($elems)); $this->debug("...XPath match: $pattern"); break; } } elseif ($elems instanceof DOMNodeList && $elems->length > 0) { foreach ($elems as $elem) { if (!isset($elem->parentNode)) continue; $this->author[] = trim($elem->textContent); $this->debug('Author matched: '.trim($elem->textContent)); } if (!empty($this->author)) { $this->debug("...XPath match: $pattern"); break; } } } } // try to get language $_lang_xpath = array('//html[@lang]/@lang', '//meta[@name="DC.language"]/@content'); foreach ($_lang_xpath as $pattern) { $elems = @$xpath->evaluate($pattern, $this->readability->dom); if (is_string($elems)) { if (trim($elems) != '') { $this->language = trim($elems); $this->debug('Language matched: '.$this->language); break; } } elseif ($elems instanceof DOMNodeList && $elems->length > 0) { foreach ($elems as $elem) { if (!isset($elem->parentNode)) continue; $this->language = trim($elem->textContent); $this->debug('Language matched: '.$this->language); } if ($this->language) break; } } // try to get date foreach ($this->config->date as $pattern) { $elems = @$xpath->evaluate($pattern, $this->readability->dom); if (is_string($elems)) { $this->date = strtotime(trim($elems, "; \t\n\r\0\x0B")); } elseif ($elems instanceof DOMNodeList && $elems->length > 0) { $this->date = $elems->item(0)->textContent; $this->date = strtotime(trim($this->date, "; \t\n\r\0\x0B")); // remove date from document // $elems->item(0)->parentNode->removeChild($elems->item(0)); } if (!$this->date) { $this->date = null; } else { $this->debug('Date matched: '.date('Y-m-d H:i:s', $this->date)); $this->debug("...XPath match: $pattern"); break; } } // strip elements (using xpath expressions) foreach ($this->config->strip as $pattern) { $elems = @$xpath->query($pattern, $this->readability->dom); // check for matches if ($elems && $elems->length > 0) { $this->debug('Stripping '.$elems->length.' elements (strip)'); for ($i=$elems->length-1; $i >= 0; $i--) { if ($elems->item($i)->parentNode) { $elems->item($i)->parentNode->removeChild($elems->item($i)); } } } } // strip elements (using id and class attribute values) foreach ($this->config->strip_id_or_class as $string) { $string = strtr($string, array("'"=>'', '"'=>'')); $elems = @$xpath->query("//*[contains(@class, '$string') or contains(@id, '$string')]", $this->readability->dom); // check for matches if ($elems && $elems->length > 0) { $this->debug('Stripping '.$elems->length.' elements (strip_id_or_class)'); for ($i=$elems->length-1; $i >= 0; $i--) { $elems->item($i)->parentNode->removeChild($elems->item($i)); } } } // strip images (using src attribute values) foreach ($this->config->strip_image_src as $string) { $string = strtr($string, array("'"=>'', '"'=>'')); $elems = @$xpath->query("//img[contains(@src, '$string')]", $this->readability->dom); // check for matches if ($elems && $elems->length > 0) { $this->debug('Stripping '.$elems->length.' image elements'); for ($i=$elems->length-1; $i >= 0; $i--) { $elems->item($i)->parentNode->removeChild($elems->item($i)); } } } // strip elements using Readability.com and Instapaper.com ignore class names // .entry-unrelated and .instapaper_ignore // See https://www.readability.com/publishers/guidelines/#view-plainGuidelines // and http://blog.instapaper.com/post/730281947 $elems = @$xpath->query("//*[contains(concat(' ',normalize-space(@class),' '),' entry-unrelated ') or contains(concat(' ',normalize-space(@class),' '),' instapaper_ignore ')]", $this->readability->dom); // check for matches if ($elems && $elems->length > 0) { $this->debug('Stripping '.$elems->length.' .entry-unrelated,.instapaper_ignore elements'); for ($i=$elems->length-1; $i >= 0; $i--) { $elems->item($i)->parentNode->removeChild($elems->item($i)); } } // strip elements that contain style="display: none;" $elems = @$xpath->query("//*[contains(@style,'display:none')]", $this->readability->dom); // check for matches if ($elems && $elems->length > 0) { $this->debug('Stripping '.$elems->length.' elements with inline display:none style'); for ($i=$elems->length-1; $i >= 0; $i--) { $elems->item($i)->parentNode->removeChild($elems->item($i)); } } // try to get body foreach ($this->config->body as $pattern) { $elems = @$xpath->query($pattern, $this->readability->dom); // check for matches if ($elems && $elems->length > 0) { $this->debug('Body matched'); $this->debug("...XPath match: $pattern"); if ($elems->length == 1) { $this->body = $elems->item(0); // prune (clean up elements that may not be content) if ($this->config->prune()) { $this->debug('...pruning content'); $this->readability->prepArticle($this->body); } break; } else { $this->body = $this->readability->dom->createElement('div'); $this->debug($elems->length.' body elems found'); foreach ($elems as $elem) { if (!isset($elem->parentNode)) continue; $isDescendant = false; foreach ($this->body->childNodes as $parent) { if ($this->isDescendant($parent, $elem)) { $isDescendant = true; break; } } if ($isDescendant) { $this->debug('...element is child of another body element, skipping.'); } else { // prune (clean up elements that may not be content) if ($this->config->prune()) { $this->debug('Pruning content'); $this->readability->prepArticle($elem); } $this->debug('...element added to body'); $this->body->appendChild($elem); } } if ($this->body->hasChildNodes()) break; } } } // auto detect? $detect_title = $detect_body = $detect_author = $detect_date = false; // detect title? if (!isset($this->title)) { if (empty($this->config->title) || $this->config->autodetect_on_failure()) { $detect_title = true; } } // detect body? if (!isset($this->body)) { if (empty($this->config->body) || $this->config->autodetect_on_failure()) { $detect_body = true; } } // detect author? if (empty($this->author)) { if (empty($this->config->author) || $this->config->autodetect_on_failure()) { $detect_author = true; } } // detect date? if (!isset($this->date)) { if (empty($this->config->date) || $this->config->autodetect_on_failure()) { $detect_date = true; } } // check for hNews if ($detect_title || $detect_body) { // check for hentry $elems = @$xpath->query("//*[contains(concat(' ',normalize-space(@class),' '),' hentry ')]", $this->readability->dom); if ($elems && $elems->length > 0) { $this->debug('hNews: found hentry'); $hentry = $elems->item(0); if ($detect_title) { // check for entry-title $elems = @$xpath->query(".//*[contains(concat(' ',normalize-space(@class),' '),' entry-title ')]", $hentry); if ($elems && $elems->length > 0) { $this->title = $elems->item(0)->textContent; $this->debug('hNews: found entry-title: '.$this->title); // remove title from document $elems->item(0)->parentNode->removeChild($elems->item(0)); $detect_title = false; } } if ($detect_date) { // check for time element with pubdate attribute $elems = @$xpath->query(".//time[@pubdate or @pubDate] | .//abbr[contains(concat(' ',normalize-space(@class),' '),' published ')]", $hentry); if ($elems && $elems->length > 0) { $this->date = strtotime(trim($elems->item(0)->textContent)); // remove date from document //$elems->item(0)->parentNode->removeChild($elems->item(0)); if ($this->date) { $this->debug('hNews: found publication date: '.date('Y-m-d H:i:s', $this->date)); $detect_date = false; } else { $this->date = null; } } } if ($detect_author) { // check for time element with pubdate attribute $elems = @$xpath->query(".//*[contains(concat(' ',normalize-space(@class),' '),' vcard ') and (contains(concat(' ',normalize-space(@class),' '),' author ') or contains(concat(' ',normalize-space(@class),' '),' byline '))]", $hentry); if ($elems && $elems->length > 0) { $author = $elems->item(0); $fn = @$xpath->query(".//*[contains(concat(' ',normalize-space(@class),' '),' fn ')]", $author); if ($fn && $fn->length > 0) { foreach ($fn as $_fn) { if (trim($_fn->textContent) != '') { $this->author[] = trim($_fn->textContent); $this->debug('hNews: found author: '.trim($_fn->textContent)); } } } else { if (trim($author->textContent) != '') { $this->author[] = trim($author->textContent); $this->debug('hNews: found author: '.trim($author->textContent)); } } $detect_author = empty($this->author); } } // check for entry-content. // according to hAtom spec, if there are multiple elements marked entry-content, // we include all of these in the order they appear - see http://microformats.org/wiki/hatom#Entry_Content if ($detect_body) { $elems = @$xpath->query(".//*[contains(concat(' ',normalize-space(@class),' '),' entry-content ')]", $hentry); if ($elems && $elems->length > 0) { $this->debug('hNews: found entry-content'); if ($elems->length == 1) { // what if it's empty? (some sites misuse hNews - place their content outside an empty entry-content element) $e = $elems->item(0); if (($e->tagName == 'img') || (trim($e->textContent) != '')) { $this->body = $elems->item(0); // prune (clean up elements that may not be content) if ($this->config->prune()) { $this->debug('Pruning content'); $this->readability->prepArticle($this->body); } $detect_body = false; } else { $this->debug('hNews: skipping entry-content - appears not to contain content'); } unset($e); } else { $this->body = $this->readability->dom->createElement('div'); $this->debug($elems->length.' entry-content elems found'); foreach ($elems as $elem) { if (!isset($elem->parentNode)) continue; $isDescendant = false; foreach ($this->body->childNodes as $parent) { if ($this->isDescendant($parent, $elem)) { $isDescendant = true; break; } } if ($isDescendant) { $this->debug('Element is child of another body element, skipping.'); } else { // prune (clean up elements that may not be content) if ($this->config->prune()) { $this->debug('Pruning content'); $this->readability->prepArticle($elem); } $this->debug('Element added to body'); $this->body->appendChild($elem); } } $detect_body = false; } } } } } // check for elements marked with instapaper_title if ($detect_title) { // check for instapaper_title $elems = @$xpath->query("//*[contains(concat(' ',normalize-space(@class),' '),' instapaper_title ')]", $this->readability->dom); if ($elems && $elems->length > 0) { $this->title = $elems->item(0)->textContent; $this->debug('Title found (.instapaper_title): '.$this->title); // remove title from document $elems->item(0)->parentNode->removeChild($elems->item(0)); $detect_title = false; } } // check for elements marked with instapaper_body if ($detect_body) { $elems = @$xpath->query("//*[contains(concat(' ',normalize-space(@class),' '),' instapaper_body ')]", $this->readability->dom); if ($elems && $elems->length > 0) { $this->debug('body found (.instapaper_body)'); $this->body = $elems->item(0); // prune (clean up elements that may not be content) if ($this->config->prune()) { $this->debug('Pruning content'); $this->readability->prepArticle($this->body); } $detect_body = false; } } // check for elements marked with itemprop="articleBody" (from Schema.org) if ($detect_body) { $elems = @$xpath->query("//*[@itemprop='articleBody']", $this->readability->dom); if ($elems && $elems->length > 0) { $this->debug('body found (Schema.org itemprop="articleBody")'); if ($elems->length == 1) { // what if it's empty? (content placed outside an empty itemprop='articleBody' element) $e = $elems->item(0); if (($e->tagName == 'img') || (trim($e->textContent) != '')) { $this->body = $elems->item(0); // prune (clean up elements that may not be content) if ($this->config->prune()) { $this->debug('Pruning content'); $this->readability->prepArticle($this->body); } $detect_body = false; } else { $this->debug('Schema.org: skipping itemprop="articleBody" - appears not to contain content'); } unset($e); } else { $this->body = $this->readability->dom->createElement('div'); $this->debug($elems->length.' itemprop="articleBody" elems found'); foreach ($elems as $elem) { if (!isset($elem->parentNode)) continue; $isDescendant = false; foreach ($this->body->childNodes as $parent) { if ($this->isDescendant($parent, $elem)) { $isDescendant = true; break; } } if ($isDescendant) { $this->debug('Element is child of another body element, skipping.'); } else { // prune (clean up elements that may not be content) if ($this->config->prune()) { $this->debug('Pruning content'); $this->readability->prepArticle($elem); } $this->debug('Element added to body'); $this->body->appendChild($elem); } } $detect_body = false; } } } // Find author in rel="author" marked element // We only use this if there's exactly one. // If there's more than one, it could indicate more than // one author, but it could also indicate that we're processing // a page listing different articles with different authors. if ($detect_author) { $elems = @$xpath->query("//a[contains(concat(' ',normalize-space(@rel),' '),' author ')]", $this->readability->dom); if ($elems && $elems->length == 1) { $author = trim($elems->item(0)->textContent); if ($author != '') { $this->debug("Author found (rel=\"author\"): $author"); $this->author[] = $author; $detect_author = false; } } } // Find date in pubdate marked time element // For the same reason given above, we only use this // if there's exactly one element. if ($detect_date) { $elems = @$xpath->query("//time[@pubdate or @pubDate]", $this->readability->dom); if ($elems && $elems->length == 1) { $this->date = strtotime(trim($elems->item(0)->textContent)); // remove date from document //$elems->item(0)->parentNode->removeChild($elems->item(0)); if ($this->date) { $this->debug('Date found (pubdate marked time element): '.date('Y-m-d H:i:s', $this->date)); $detect_date = false; } else { $this->date = null; } } } // still missing title or body, so we detect using Readability if ($detect_title || $detect_body) { $this->debug('Using Readability'); // clone body if we're only using Readability for title (otherwise it may interfere with body element) if (isset($this->body)) $this->body = $this->body->cloneNode(true); $success = $this->readability->init(); } if ($detect_title) { $this->debug('Detecting title'); $this->title = $this->readability->getTitle()->textContent; } if ($detect_body && $success) { $this->debug('Detecting body'); $this->body = $this->readability->getContent(); if ($this->body->childNodes->length == 1 && $this->body->firstChild->nodeType === XML_ELEMENT_NODE) { $this->body = $this->body->firstChild; } // prune (clean up elements that may not be content) if ($this->config->prune()) { $this->debug('Pruning content'); $this->readability->prepArticle($this->body); } } if (isset($this->body)) { // remove scripts $this->readability->removeScripts($this->body); // remove any h1-h6 elements that appear as first thing in the body // and which match our title if (isset($this->title) && ($this->title != '')) { $firstChild = $this->body->firstChild; while ($firstChild->nodeType && ($firstChild->nodeType !== XML_ELEMENT_NODE)) { $firstChild = $firstChild->nextSibling; } if (($firstChild->nodeType === XML_ELEMENT_NODE) && in_array(strtolower($firstChild->tagName), array('h1', 'h2', 'h3', 'h4', 'h5', 'h6')) && (strtolower(trim($firstChild->textContent)) == strtolower(trim($this->title)))) { $this->body->removeChild($firstChild); } } // prevent self-closing iframes $elems = $this->body->getElementsByTagName('iframe'); for ($i = $elems->length-1; $i >= 0; $i--) { $e = $elems->item($i); if (!$e->hasChildNodes()) { $e->appendChild($this->body->ownerDocument->createTextNode('[embedded content]')); } } // remove image lazy loading - WordPress plugin http://wordpress.org/extend/plugins/lazy-load/ // the plugin replaces the src attribute to point to a 1x1 gif and puts the original src // inside the data-lazy-src attribute. It also places the original image inside a noscript element // next to the amended one. $elems = @$xpath->query("//img[@data-lazy-src]", $this->body); for ($i = $elems->length-1; $i >= 0; $i--) { $e = $elems->item($i); // let's see if we can grab image from noscript if ($e->nextSibling !== null && $e->nextSibling->nodeName === 'noscript') { $_new_elem = $e->ownerDocument->createDocumentFragment(); @$_new_elem->appendXML($e->nextSibling->innerHTML); $e->nextSibling->parentNode->replaceChild($_new_elem, $e->nextSibling); $e->parentNode->removeChild($e); } else { // Use data-lazy-src as src value $e->setAttribute('src', $e->getAttribute('data-lazy-src')); $e->removeAttribute('data-lazy-src'); } } $this->success = true; } // if we've had no success and we've used tidy, there's a chance // that tidy has messed up. So let's try again without tidy... if (!$this->success && $tidied && $smart_tidy) { $this->debug('Trying again without tidy'); $this->process($original_html, $url, false); } return $this->success; } private function isDescendant(DOMElement $parent, DOMElement $child) { $node = $child->parentNode; while ($node != null) { if ($node->isSameNode($parent)) return true; $node = $node->parentNode; } return false; } public function setUserSubmittedConfig($config_string) { $this->userSubmittedConfig = SiteConfig::build_from_string($config_string); } public function getContent() { return $this->body; } public function isNativeAd() { return $this->nativeAd; } public function getTitle() { return $this->title; } public function getAuthors() { return $this->author; } public function getLanguage() { return $this->language; } public function getDate() { return $this->date; } public function getSiteConfig() { return $this->config; } public function getNextPageUrl() { return $this->nextPageUrl; } }