firebase notification curl php

firebase notification curl

<?php
    function send($token,$title,$body){
        $url = "https://fcm.googleapis.com/fcm/send";
        $serverKey = 'your server token of FCM project';
        $notification = array('title' =>$title , 'text' => $body, 'sound' => 'default', 'badge' => '1');
        $arrayToSend = array('to' => $token, 'notification' => $notification,'priority'=>'high');
        $json = json_encode($arrayToSend);
        $headers = array();
        $headers[] = 'Content-Type: application/json';
        $headers[] = 'Authorization: key='. $serverKey;
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST,"POST");
        curl_setopt($ch, CURLOPT_POSTFIELDS, $json);
        curl_setopt($ch, CURLOPT_HTTPHEADER,$headers);
        //Send the request
        $response = curl_exec($ch);
        //Close request
        if ($response === FALSE) {
        die('FCM Send Error: ' . curl_error($ch));
        }
        curl_close($ch);
     }
     
     // for testing
     send("***","title","body");
?>