Readability\Readability::init PHP Method

    public function init()
    {
        if (!isset($this->dom->documentElement)) {
            return false;
        }
        // Assume successful outcome
        $this->success = true;
        $bodyElems = $this->dom->getElementsByTagName('body');
        // WTF multiple body nodes?
        if ($this->bodyCache === null) {
            $this->bodyCache = '';
            foreach ($bodyElems as $bodyNode) {
                $this->bodyCache .= trim($bodyNode->innerHTML);
            }
        }
        if ($bodyElems->length > 0 && $this->body === null) {
            $this->body = $bodyElems->item(0);
        }
        $this->prepDocument();
        // Build readability's DOM tree.
        $overlay = $this->dom->createElement('div');
        $innerDiv = $this->dom->createElement('div');
        $articleTitle = $this->getArticleTitle();
        $articleContent = $this->grabArticle();
        if (!$articleContent) {
            $this->success = false;
            $articleContent = $this->dom->createElement('div');
            $articleContent->setAttribute('class', 'readability-content');
            $articleContent->innerHTML = '<p>Sorry, Readability was unable to parse this page for content.</p>';
        }
        $overlay->setAttribute('class', 'readOverlay');
        $innerDiv->setAttribute('class', 'readInner');
        // Glue the structure of our document together.
        $innerDiv->appendChild($articleTitle);
        $innerDiv->appendChild($articleContent);
        $overlay->appendChild($innerDiv);
        // Clear the old HTML, insert the new content.
        $this->body->innerHTML = '';
        $this->body->appendChild($overlay);
        $this->body->removeAttribute('style');
        $this->postProcessContent($articleContent);
        // Set title and content instance variables.
        $this->articleTitle = $articleTitle;
        $this->articleContent = $articleContent;
        return $this->success;
    }

 /** Extract article from a page using php-readability */
 function getArticle($url)
 {
     $html = file_get_contents($url);
     $Readability = new Readability($html, $url);
     $result = $Readability->init();
     $results = array('title' => $Readability->getTitle()->textContent, 'content' => $Readability->getContent()->textContent);
     return $results;
 }