Public/markusz_web/mysql.php

<?PHP
  
$servername = "localhost";
$username = "user";
$password = "pass";
$query = "SELECT * FROM database.table";
$conn = mysqli_connect($servername, $username, $password);
// Check connection
if ($conn) {
    if ($result = mysqli_query($conn,$query)) {
            $result_array = array();
            /* fetch associative array */
            while ($row = mysqli_fetch_assoc($result)) {
                $result_array[] = $row;
            }
            $return = $result_array;

            mysqli_free_result($result);
        }
    mysqli_close($conn); 
}


?>