composer require typerej/line-login dev-master --prefer-dist
use TyperEJ\LineLogin\Login;
$login = new Login(CHANNEL_ID,CHANNEL_SECRET);
$user = $login->requestToken($_GET('code'));
use TyperEJ\LineLogin\Login;
$login = new Login(CHANNEL_ID);
$url = $login->generateLoginUrl(options);
https://developers.line.biz/en/docs/line-login/web/integrate-line-login/