Clash API - Clan

<?php

header("Content-Type: application/json");

if (!isset($_GET["key"])) {
    echo '{"access_denied": "No "key" field!"}';
    exit();
}

if ($_GET["key"] == "{my key}") {
    if (isset($_GET["tag"])) {
        $access_token = "{my token}";
        $headers = array("Authorization: Bearer " . $access_token);

        // Initiate connection with API
        $ch = curl_init("https://api.clashofclans.com/v1/clans/%23" . $_GET["tag"] . "/members");
        // Set the Authorization header
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        // Execute the request (which also echo's it to the user)
        curl_exec($ch);
        // Close request
        curl_close($ch);
    } else {
        echo '{"error": "No "tag" field!"}';
    }
} else {
    echo '{"access_denied": "Wrong "key" field!"}';
}