getdata-encoding.php

<?php
    $conn = new mysqli("localhost", "root", "seedubuntu", "dbtest");
    $pid = $mysqli->real_escape_string($_GET['PID']);
    $pwd = $mysqli->real_escape_string($_GET['Password']);
    $sql = "SELECT Name, Salary, SSN
            FROM employee
            WHERE pid= '$pid' and password='$pwd'";
?>