<?php

$url = "https://onesignal.com/api/v1/notifications";
$app_id = "86c8805b-2ce8-4c41-befd-c8c0a65fe1df";
$api_key = "os_v2_app_q3eiawzm5bgedpx5zdakmx7b35oil5op462uceuurghboc2ltbfqwwldixbsja5fiizsszetxr7trmzuyw5hgxmxthqp2mco75z5lgq";

$data = [
    "app_id" => $app_id,
    "filters" => [
        ["field" => "tag", "key" => "Blackhound", "relation" => "=", "value" => "DP"]
    ],
    "headings" => ["en" => "Dewald - Login Notice"],
    "contents" => ["en" => "Please authorise login!"]
];

$json_data = json_encode($data);

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Content-Type: application/json",
    "Authorization: Basic $api_key"
]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $json_data);

$response = curl_exec($ch);
curl_close($ch);

//echo $response;

?>