title: API Youtube, how to get like and dislikes
body: <p>On a website, i use API Youtube with ZendGdata for retrieve all video of a user and create webpage with the video and his informations.</p>
  
  <p>Now i need to add a system for like or dislikes video on my website, and i need to retrieve the number of likes and dislikes.</p>
  
  <p>(Yes, there are 2 questions here^^)</p>
  
  <p>So, i retrieve for example title with <code>$videoEntry-&gt;getVideoTitle();</code>, number of views with <code>$videoEntry-&gt;getVideoViewCount();</code> but how i can retrieve number of likes/dislikes ?</p>
  
  <p>And how i can vote for a video on my website ?</p>