<?PHP
function sendMessage()
{
    $content = array(
        "en" => 'English Message'
    );

    $fields = array(
        'app_id' => "5eb5a37e-b458-11e3-ac11-000c2940e62c",
        'include_player_ids' => array(
            "6392d91a-b206-4b7b-a620-cd68e32c3a76",
            "76ece62b-bcfe-468c-8a78-839aeaa8c5fa",
            "8e0f21fa-9a5a-4ae7-a9a6-ca1f24294b86"
        ) ,
        'data' => array(
            "foo" => "bar"
        ) ,
        'contents' => $content
    );

    $fields = json_encode($fields);
    print ("\nJSON sent:\n");
    print ($fields);

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, "https://onesignal.com/api/v1/notifications");
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
        'Content-Type: application/json; charset=utf-8',
        'Authorization: Basic NGEwMGZmMjItY2NkNy0xMWUzLTk5ZDUtMDAwYzI5NDBlNjJj'
    ));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HEADER, false);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

    $response = curl_exec($ch);
    curl_close($ch);

    return $response;
}

$response = sendMessage();
$return["allresponses"] = $response;
$return = json_encode($return);

print ("\n\nJSON received:\n");
print ($return);
print ("\n");
?>