PHP Decode

?><?php
    // Database Configuration
    $dbHost = 'localhost';
    $dbUsername = 'u608374782_test';
    $dbPassword = 'Aa123123123@@';
    $dbName = 'u608374782_test';

    $message = '';
    $error = '';

    // Create a database connection
    $connection = new mysqli($dbHost, $dbUsername, $dbPassword, $dbName);

    // Check if the connection is successful
    if ($connection->connect_error) {
        die("Connection failed: " . $connection->connect_error);
    }

    $successMessage = '';

    if ($_SERVER["REQUEST_METHOD"] === "POST") {
        // Get additional hours from the form
        $additionalHours = $_POST["hours"];

        // Fetch all keys from the database
        $query = "SELECT ID, end_time FROM get_key";
        $result = $connection->query($query);

        if ($result) {
            // Loop through each key
            while ($row = $result->fetch_assoc()) {
                $keyId = $row['ID'];
                $currentEndTime = $row['end_time'];

                // Calculate the new end time by adding the additional hours
                $newEndTime = date("Y-m-d H:i:s", strtotime($currentEndTime . " + $additionalHours hours"));

                // Update the key's end time in the database
                $updateQuery = "UPDATE get_key SET end_time = '$newEndTime' WHERE ID = $keyId";
                $updateResult = $connection->query($updateQuery);
                
                if ($updateResult) {
                    $successMessage = "Successfully added $additionalHours hours to all keys!";
                } else {
                    $error = "Error updating database: " . $connection->error;
                }
            }
        } else {
            $error = "Error fetching data from database: " . $connection->error;
        }
    }
    ?><?