<?php
class Database
{
private $connect;
private $host, $username, $password, $databaseName;

public function __construct($host, $username, $password, $databaseName)
{
    $this->host = $host;
    $this->username = $username;
    $this->password = $password;
    $this->databaseName = $databaseName;

    $this->connect = new mysqli($this->host, $this->username, $this->password, $this->databaseName);

    if ($this->connect->connect_error) {
        die('Connect Error (' . $this->connect->connect_errno . ') '. $this->connect->connect_error);
    }

    return true;
}

public function __destruct()
{
    $this->connect->close();
}
}

$db = new Database("localhost", "root", "", "framework");

class Members extends Database {
    public function getMembers() {
        $result = $this->connect->query("SELECT * FROM members");
        return $query->row;
    }
}