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Voting Callbacks

Rune-Nexus utilizes a callback feature that will send a POST request to the callback url you specify when adding your server. It is a string, usually an IP Address, username, or randomly generated string. This string comes from your voting script which is appended at the end of the vote url.


Full URL Example:

Your vote script should redirect to a similar URL, replacing <site-id> with your site's identification number, and <code> with either a username, ip address, or uniquely generated code to identify the person voting. Once a user has voted on our toplist using the generated URL, A post request will be sent back to your callback url containing the code. This allows you to identify who voted and when to supply the player with rewards if desired.

Callback URL example:


Example callback code (PHP):
Please note: This is not designed to work out the box, it is just an example.

    $log_file = "callbacks.log";

    $db_host = 'localhost';
    $db_name = 'voting';
    $db_user = 'root';
    $db_pass = 'password';

    if (isset($_POST['callback']) && !empty($_POST['callback']) {
        $callback = filter_var($_POST['callback'], FILTER_SANITIZE_STRING);

        #Connect to database
        try {
            $pdo = new PDO("mysql:host=" . $db_host . ";dbname=" . $db_name, $db_user, $db_pass);
            $pdo->exec("SET CHARACTER SET utf8");
            $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
            $pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
        } catch (PDOException $e) {
            error_log(date('[Y-m-d H:i] ')."[Error] Connection failed: {$e->getMessage()} ".PHP_EOL, 3, $log_file);

        # prepare query for execution
        $stmt = $pdo->prepare("UPDATE votes SET callback_date = UNIX_TIMESTAMP() WHERE code = :code");
        $stmt->bindParam(":code", $callback); # bind the parameters
        $stmt->execute(); # now execute the prepared statement
        $count = $stmt->rowCount(); # counts modified rows

        # counts modified rows. if 0, then nothing was changed, Log it to log file.
        if ($stmt->rowCount() > 0) {
            error_log(date('[Y-m-d H:i] ')."[Error] Update query failed! ".PHP_EOL, 3, $log_file);

        # update successful!
        error_log(date('[Y-m-d H:i] ')."[Success] Callback received and updated! $callback ".PHP_EOL, 3, $log_file);

More Info

This code assumes you have a callback_date field in your votes table, which should have a default value of -1. When the callback is received it should update it with the current time in seconds (Unix timestamp). You can use this to determine if the user has voted or not. (-1 means not voted yet, anything else means they have, such as the unix timestamp).