Simple FCM push notification PHP snippet

fcm-test.php

<?php
        $to = 
        "USER_PUSH_TOKEN_HERE";
        $fields = array(
            'to' => $to,
             // custom payload for a client to handle
             // use `notification` array for more general predefined key/value payload instead
            'data' => array(
                "title" => "test notification title " . rand(1, 1000),
                "body" => "Christopher Edward Hansen (born September 13, 1959)[2] is an American television journalist. He is known for his work on Dateline NBC, in particular the former segment To Catch a Predator, which revolved around catching potential Internet sex predators using a sting operation. His also hosts Killer Instinct on Investigation Discovery, which documents homicide investigations.[3] He is also the new host of the syndicated show Crime Watch Daily. [4]<br/><br/><img src=\"http://www.kualalumpurpost.net/wp-content/uploads/2013/10/tpeli.jpg\">",
                "type" => "news", 
                "timestamp" => date('d F Y h:i a'), 
                "image_url" => "https://forum.lowyat.net/uploads/attach-9/post-2409-1400139876_thumb.jpg",
                "transaction_guid" => rand(999, 9999), 
                "guid" => rand(10000, 99999),
                "total_unread" => "32"
            )
        );


        $headers = array(
            'Authorization: key=KEY_HERE',
            'Content-Type: application/json'
        );
        
        // Open connection
        $ch = curl_init();
 
        // Set the url, number of POST vars, POST data
        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);
 
        // Disabling SSL Certificate support temporarly
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
 
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
 
        // Execute post
        $result = curl_exec($ch);
        if ($result === FALSE) {
            die('Curl failed: ' . curl_error($ch));
        }
 
        // Close connection
        curl_close($ch);

        echo $result . "<hr/>";
        var_dump($fields);
?>