过滤YouTube视频网址

Question

I am making a YouTube tool, but I can't understand how to get the video ID in a PHP variable. Suppose a user type a youtube video url in my form which can be:

http://www.youtube.com/watch?v=YzOt12co4nk&feature=g-vrec

What is the way to filter the URL and get this video ID in a variable?

For example: $vid will have this video ID so it would be $vid = YzOt12co4nk; Please take a time to describe it, I'm a beginner in coding! Thanks

Answer 1

You can use a regular expression:

$url = "http://www.youtube.com/watch?v=YzOt12co4nk&feature=g-vrec";
preg_match('/v=([0-9a-zA-Z]+)/', $url, $matches);
$vid = $matches[1];