[DandyCorleone]

How to change this to sha1? this with Whirpool wp_hash i want change it to sha1.
can help? i already try, but dont work

PHP код:


<?php
    session_start();
    include "koneksi.php";
    if(isset($_SESSION['playername']))
    {
        go('index.php', 'You already logged in.');
    }
    if(!isset($_POST['username'], $_POST['password']))
    {
        go('index.php', 'Please fillout all required forms.');
    }
    else
    {
        $query = $koneksi->prepare("SELECT `adminlevel`,`name` from `players` where `name` = ? and `pass` = ?");
        $query->execute(array($_POST['username'], strtoupper(hash("whirlpool", $_POST['password']))));
        if($query->rowCount() > 0)
        {
            $data = $query->fetch();
            go('index.php', 'Succesfully logged in.');
            $_SESSION['playername'] = $data['name'];
            $_SESSION['playerlevel'] = $data['adminlevel'];
        }
        else
        {
            go('index.php', 'Wrong username or password.');
        }
    }