Here is the url to to get the video info where you have to put VIDEO-ID and API-KEY:
https://www.googleapis.com/youtube/v3/videos?part=snippet&id=VIDEO-ID-HERE&key=YOUR-API-KEY-HERE
How to get the title from it and save it as a variable in PHP?
Here is the url to to get the video info where you have to put VIDEO-ID and API-KEY:
https://www.googleapis.com/youtube/v3/videos?part=snippet&id=VIDEO-ID-HERE&key=YOUR-API-KEY-HERE
How to get the title from it and save it as a variable in PHP?
There are two PHP examples in google developers.
Also, you can try a test in the bottom of this page. Input the part
(snippet) and id
(select one youtube id) fields. It will demonstrate to you with GET request and JSON response.
Something along these lines will get you the information related to a specific video using the PHP client library:
One more solution with API Request