Push notifications android 1st, then iOS

i need help.

i have the server side PHP sample code, just need to get things right to get it to work. currently i am getting this error from the server sending the msg, Error 401: Invalid (legacy) Server-key delivered or Sender is not authorized to perform request.

can add you to firebase to see the information

can give you my token to test.

PHP sample code:

$notification = array


'title' => $receiverName. ': A new message for you',

'body' => $message,

'sound' => 'default'


$data = array


'message' => $message,

'click_action' => "PUSH_INTENT"


$fields = array


'registration_ids' => $registrationIds,

'notification' => $notification,

'data' => $data,

'priority' => 'normal'


$headers = array


'Authorization: key='.API_ACCESS_KEY,

'Content-Type: application/json'


$ch = curl_init();

curl_setopt( $ch,CURLOPT_URL, '[login to view URL]' );

curl_setopt( $ch,CURLOPT_POST, true );

curl_setopt( $ch,CURLOPT_HTTPHEADER, $headers );

curl_setopt( $ch,CURLOPT_RETURNTRANSFER, false); //true orig ); returns err info if false

curl_setopt( $ch,CURLOPT_SSL_VERIFYPEER, false );

curl_setopt( $ch,CURLOPT_POSTFIELDS, json_encode( $fields ) );

$result = curl_exec($ch );

curl_close( $ch );

Skills: Android, Mobile App Development, MySQL, PHP, Software Architecture

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