Mefri Mykel punya script

<?php
/*.............AWAL SCRIPT PHP.............*/
if (isset($_POST['button']))
{
    $nama = trim ($_POST['nama']);
    $password = trim ($_POST['password']);
    $level = trim ($_POST['level']);
//=============perbaikan dari saya==========================
    $error=array();

    if (empty($nama))
    {
        $error[] = 'Username haru diisi Bro';
    }

    if (empty ($password))
    {
        $error[] = 'Password harus diisi Bro';
    }

    if (empty($level))
    {
        $error[] = 'Ingat Level juga harus di isi Br0';
    }

    if (count($error) > 0)
    {
        foreach($error as $e)
        {
            echo "- $e <br />";
        }

    }
    else
    {
//===========PERBAIKAN====================
    /*
    ini cara insert yg salah.. coba perhatikan query insert..
    ini mah untuk UPDATE
    "insert into tbl_user set nama='$nama',
    password='".md5($password)."',
    level='$level'"
    */
        $sql="insert into tbl_user
        (nama, password,level)
        values
        ('$nama', '".md5($password)."',
         '$level')";
        $qry = mysql_query($sql) or die (mysql_error());
        if ($qry)
        {
//============BUKAN PROSES REGISTERASI==============
            echo "Proses Login berhasil bro";

        }
        else
        {
//===========NGAK AKAN KEPAKE BRO.. karena pasti kena DIE di atas
            echo "Proses gagal bro, coba lagi!";
        }
    }
}
/*.............Akhir SCRIPT PHP.............*/
?>