Get the Youtube Video Thumbnail from Youtube video Url using PHP

Question

Lets say I have a youtube video url www.youtube.com/watch?v=B4CRkpBGQzU&feature=youtube_gdata&par1=1&par2=2

I want to get the video thumbnail ->

Answer 1

Assuming youtube doesn't change their format:

$thumb = preg_match('/watch\?v=(.*)&feature/',$url, $matches);

This will get you the 'B4CRkpBGQzU' part in $matches[1];