PHP解析优酷、土豆、酷6、新浪视频等网址 参见 Demo，见好知网的小组“发视频"的功能。-The PHP parsing Youku, potatoes, cool, Sina video website see http://www.howzhi.com/group/php/discuss/424 Demo, brought the matter the HowNet of team " made the video" functionality.