PHP抓取、分析国内视频网站的视频信息工具类

<?php
/**
 * Video
 *
 * @package
 * @version 1.2
 * @copyright 2005-2011 HDJ.ME
 * @author Dijia Huang <huangdijia@gmail.com>
 * @license PHP Version 3.0 {@link }
 *
 * Usage
 * require_once "VideoUrlParser.class.php";
 * $urls[] = "http://v.youku.com/v_show/id_XMjI4MDM4NDc2.html";
 * $urls[] = "http://www.tudou.com/playlist/p/l13087099.html";
 * $urls[] = "http://www.tudou.com/programs/view/ufg-A3tlcxk/";
 * $urls[] = "http://v.ku6.com/special/show_4926690/Klze2mhMeSK6g05X.html";
 * $urls[] = "http://www.56.com/u68/v_NjI2NTkxMzc.html";
 * $urls[] = "http://www.letv.com/ptv/vplay/1168109.html";
 * $urls[] = "http://video.sina.com.cn/v/b/46909166-1290055681.html";
 *
 * foreach($urls as $url){
 *     $info = VideoUrlParser::parse($url);
 *     //var_dump($info);
 *     echo "<a href='https://www.jb51.net/{$info['url']}' target='_new'>{$info['title']}</a>";
 *     echo "<br />";
 *     echo $info['object'];
 *     echo "<br />";
 * }
 *
 *
 *
 * //优酷
 *
 * <embed src="https://player.youku.com/player.php/sid/XMjU0NjY4OTEy/v.swf" quality="high" allowScriptAccess="sameDomain" type="application/x-shockwave-flash"></embed>
 *
 * //酷六
 *
 * <embed src="https://player.ku6.com/refer/x0BMXAbgZdQS6FqN/v.swf" quality="high" allowScriptAccess="always" allowfullscreen="true" type="application/x-shockwave-flash"></embed>
 *
 * //土豆
 * ?iid=74905844
 * <embed src="https://www.tudou.com/l/A_0urj-Geec/&iid=74905844/v.swf" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" wmode="opaque"></embed>
 *
 * //56
 *
 * <embed src="https://player.56.com/v_NTkyODY2NTU.swf"  type="application/x-shockwave-flash" allowNetworking="all" allowScriptAccess="always"></embed>
 *
 * //新浪播客
 *
 * <embed src="https://you.video.sina.com.cn/api/sinawebApi/outplayrefer.php/vid=46909166_1290055681_b0K1GHEwDWbK+l1lHz2stqkP7KQNt6nki2O0u1ehIwZYQ0/XM5GdZNQH6SjQBtkEqDhAQJ42dfcn0Rs/s.swf" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" allowFullScreen="true" allowScriptAccess="always"></embed>
 *
 * //乐视
 *
 * <embed src="https://i3.imgs.letv.com/player/swfPlayer.swf?id=1168109&host=app.letv.com&vstatus=1&AP=1&logoMask=0&isShowP2p=0&autoplay=true" quality="high" scale="NO_SCALE" wmode="opaque" bgcolor="#000000" allowscriptaccess="always" allowfullscreen="true" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">
 */

class VideoUrlParser
{
    const USER_AGENT = "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.10 (KHTML, like Gecko)
        Chrome/8.0.552.224 Safari/534.10";
    const CHECK_URL_VALID = "/(youku\.com|tudou\.com|ku6\.com|56\.com|letv\.com|video\.sina\.com\.cn|(my\.)?tv\.sohu\.com|v\.qq\.com)/";

/**
     * parse
     *
     * @param string $url
     * @param mixed $createObject
     * @static
     * @access public
     * @return void
     */
    static public function parse($url='', $createObject=true){
        $lowerurl = strtolower($url);
        preg_match(self::CHECK_URL_VALID, $lowerurl, $matches);
        if(!$matches) return false;

switch($matches[1]){
        case 'youku.com':
            $data = self::_parseYouku($url);
            break;
        case 'tudou.com':
            $data = self::_parseTudou($url);
            break;
        case 'ku6.com':
            $data = self::_parseKu6($url);
            break;
        case '56.com':
            $data = self::_parse56($url);
            break;
        case 'letv.com':
            $data = self::_parseLetv($url);
            break;
        case 'video.sina.com.cn':
            $data = self::_parseSina($url);
            break;
        case 'my.tv.sohu.com':
        case 'tv.sohu.com':
        case 'sohu.com':
            $data = self::_parseSohu($url);
            break;
        case 'v.qq.com':
            $data = self::_parseQq($url);
            break;
        default:
            $data = false;
        }