Readability\Readability::getArticleTitle PHP Method

    protected function getArticleTitle()
    {
        try {
            $curTitle = $origTitle = $this->getInnerText($this->dom->getElementsByTagName('title')->item(0));
        } catch (\Exception $e) {
            $curTitle = '';
            $origTitle = '';
        }
        if (preg_match('/ [\\|\\-] /', $curTitle)) {
            $curTitle = preg_replace('/(.*)[\\|\\-] .*/i', '$1', $origTitle);
            if (count(explode(' ', $curTitle)) < 3) {
                $curTitle = preg_replace('/[^\\|\\-]*[\\|\\-](.*)/i', '$1', $origTitle);
            }
        } elseif (strpos($curTitle, ': ') !== false) {
            $curTitle = preg_replace('/.*:(.*)/i', '$1', $origTitle);
            if (count(explode(' ', $curTitle)) < 3) {
                $curTitle = preg_replace('/[^:]*[:](.*)/i', '$1', $origTitle);
            }
        } elseif (mb_strlen($curTitle) > 150 || mb_strlen($curTitle) < 15) {
            $hOnes = $this->dom->getElementsByTagName('h1');
            if ($hOnes->length === 1) {
                $curTitle = $this->getInnerText($hOnes->item(0));
            }
        }
        $curTitle = trim($curTitle);
        if (count(explode(' ', $curTitle)) <= 4) {
            $curTitle = $origTitle;
        }
        $articleTitle = $this->dom->createElement('h1');
        $articleTitle->innerHTML = $curTitle;
        return $articleTitle;
    }