login level akses php

?php session_start(); include "koneksi. jetstar australia login php"; $username = $_POST['username']; $password = $_POST['password']; //cek data $sql = "SELECT * FROM user WHERE username='$username' "; $qry = mysqli_query($koneksi,$sql); $usr = mysqli_fetch_array($qry); if( md5($username) == md5($usr['username']) AND md5($password) == md5($usr['password . mycoles login