php 正則獲取優酷id

/** * 經過http://player.youku.com/player.php/sid/XMjUyMjAwMTAyMA==/v.swf * 獲取優酷id（XMjUyMjAwMTAyMA） * * http://player.youku.com/player.php/sid/XMjUyMjAwMTAyMA==/v.swf => XMjUyMjAwMTAyMA * @param string $

>>阅读原文<<