I GOT access_token but i don't know how to use it correctly

API
2 
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Client-ID: xxxxx'));

becomes

   curl_setopt($ch, CURLOPT_HTTPHEADER, array(
        'Client-ID: xxxxx'
        'Authorization: Bearer yyyyyy'
    ));

yyyyy being your token