send fcm all Topic

send fcm all Topic.php

<?php
/*
curl -X POST --header "Authorization: key=<KeyValue>" \
    --Header "Content-Type: application/json" \
    https://fcm.googleapis.com/fcm/send \
    -d "{\"condition\":\"!('anytopicyoudontwanttouse' in topics)\",\"notification\":{\"title\":\"Hello\",\"body\":\"Yellow\"}}"
*/
  
  
    $notification = [
        'title' => 'fffffffffffffffffffffffffffffffff',
        'body' => 'bbbbbbbbbbbbbbbbbbbb',
        'icon' => "icon",

    ];
    $notification = array_filter($notification, function($value) {
        return $value !== null;
    });


    $url = 'https://fcm.googleapis.com/fcm/send';
    $fields = array (
            // 'registration_ids' => $device_token,
            'data' => $notification,
            //  'data'=>['fcmapp'=>[]],
             "condition"=> "!('anytopicyoudontwanttouse' in topics)"

    );
    $fields = json_encode ( $fields );
    $headers = array (
            'Authorization: key=' . config('fcmapp.server_key'),
            'Content-Type: application/json'
    );
    $ch = curl_init ();
    curl_setopt ( $ch, CURLOPT_URL, $url );
    curl_setopt ( $ch, CURLOPT_POST, true );
    curl_setopt ( $ch, CURLOPT_HTTPHEADER, $headers );
    curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, true );
    curl_setopt ( $ch, CURLOPT_POSTFIELDS, $fields );

    $result = curl_exec ( $ch );
    curl_close ( $ch );
    return $result;