Login with Instagram Tutorial
How to Use To integrate instagram login in website using php, create client on instagram. Go to Developer Console and create new client. Provide detail for your site, if you are using localhost as server provide callbak url as "http://127.0.0.1/{your-site}/{redirect-page.php}" and "http://127.0.0.1/{your-site}/".
Set app key,app secret and callback url in instagram.config.php.