I Don't Know how to use the new Helix Twitch api

Hello Sir , sorry for disturbing you again but i’m not really quiet good at web programming i know only php html css and i don’t really know wich programming language am gonna have to use for this twitch api to get a channel data (followers count ,viewers count , profile picture etc …) i wanna store this data in mysql database so please if you show a project example on how to use the twitch api on a website and how to take the data in JSON format and use it in PHP . i’m really tripping looking for tutorials i couldn’t find any . Thank you in advance !