Messaging

<?php
class Message {
    private $pdo = null;
    private $stmt = null;
    public $error;

    function __construct() {
        $this->pdo = new PDO(
            "mysql:host=" . DB_HOST . ";dbname=" . DB_NAME . ";charset=" . DB_CHARSET,
            DB_USER,
            DB_PASSWORD,
            [
                PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
                PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC
            ]
        );
    }

    function __destruct() {
        if ($this->stmt !== null) {
            $this->stmt = null;
        }
        if ($this->pdo !== null) {
            $this->pdo = null;
        }
    }

    // Add methods for sending, retrieving, and managing messages
    // ...
}
?>