phpMariaEdit Code

<?php

class DatabaseController
{
    public $dbh;

    protected $host;
    protected $port;
    protected $user;
    protected $pw;
    protected $db;

    var $charset = "utf8mb4";

    function __construct($host, $port, $user, $pw, $db) {
        $this->host = $host;
        $this->port = $port;
        $this->user = $user;
        $this->pw   = $pw;
        $this->db   = $db;

        $this->Connect();
    }

    function __destruct() {
        $this->Disconnect();
    }

    function Connect() {
        $this->dbh = mysqli_connect($this->host, $this->user, $this->pw, $this->db, $this->port);

        if (mysqli_connect_errno()) {
            echo "Failed to connect to MySQL: " . mysqli_connect_error();
            return null;
        }

        if ($this->charset != '') mysqli_set_charset($this->dbh, $this->charset);

        return $this->dbh;
    }

    function Disconnect() {
        if (isset($this->dbh)) {
            mysqli_close($this->dbh);
            $this->dbh = null;
        }
    }

    // run a query that returns maximum one line
    function Query($qry, $resulttype = 'a') {
        $fetch = false;
        if (!isset($this->dbh)) $this->Connect();
        $result = mysqli_query($this->dbh, $qry);
        if ($result) {
            if (mysqli_affected_rows($this->dbh) > 0) {
                $fetch = mysqli_fetch_array($result);
            }
            mysqli_free_result($result);
        }
        return $fetch;
    }

    // run a query that returns 0-n lines
    function Fetch($qry, $resulttype = 'n') {
        $fetch = false;
        if (!isset($this->dbh)) $this->Connect();
        $result = mysqli_query($this->dbh, $qry);
        if ($result) {
            if (mysqli_affected_rows($this->dbh) > 0) {
                $fetch = array();
                while ($row = mysqli_fetch_array($result)) $fetch[] = $row;
            }
            mysqli_free_result($result);
        }
        return $fetch;
    }


}