android - Notification without using firebase console -

i'm newbie in android, have created program send notification using firebase without using firebase console.i have used php backend happeing i'm getting notification when send through firebase console, when send through wamp server can't.though i'm getting success:1

you can send notification using following php code server

function sendnotification($fields = array()) { $api_access_key = 'your key'; $headers = array (     'authorization: key=' . $api_access_key,     'content-type: application/json' ); $ch = curl_init(); curl_setopt( $ch,curlopt_url, 'https://fcm.googleapis.com/fcm/send' ); curl_setopt( $ch,curlopt_post, true ); curl_setopt( $ch,curlopt_httpheader, $headers ); curl_setopt( $ch,curlopt_returntransfer, true ); curl_setopt( $ch,curlopt_ssl_verifypeer, false ); curl_setopt( $ch,curlopt_postfields, json_encode( $fields ) ); $result = curl_exec($ch ); curl_close( $ch ); return $result; } $title = 'whatever'; $message = 'lorem ipsum'; $fields = array ( 'registration_ids'  => ['deviceid'], 'data'          => '', 'priority' => 'high', 'notification' => array(     'body' => $message,     'title' => $title,     'sound' => 'default',     'icon' => 'icon'     )     );    sendnotification($fields);