<?php
//include the database information
include 'ipbdbauth.php';

$username = $_GET['u'];
$passwordtemp = $_GET['p'];
$password = str_replace("%21","!",$password)
function userLoginIpb($username, $password) { //select the password information froms elected user
    $query = mysqli_query($GLOBALS["___mysqli_ston"], "SELECT `members_pass_salt`, `members_pass_hash` FROM `members` WHERE `name` = '$username'");
    $results = mysqli_fetch_assoc($query);
	$hash = ['members_pass_hash']
    //$password = md5(md5($results['members_pass_salt']).md5($password));
        //if($password == $results['members_pass_hash']) {
            //return true;
            //}
            //else {
                //return false;
                //}
} //check if user is logged in
Usage:
if(userLoginIpb($username, $password))
{

$nameresult = mysqli_query($GLOBALS["___mysqli_ston"], "SELECT * FROM members WHERE name='$username'");

//fetch tha data from the database
//while ($row = mysqli_fetch_array($nameresult)) {
if (password_verify($password, $hash)){
   echo $row{'member_group_id'};
}
}
else
{
    echo 'Login Incorrect';
}
    mysqli_close($dbhandle);
?>