<?php
session_start();
include("rmb.php");

$cxn = mysqli_connect($host,$user,$passmilah,$dbase)
    or die("Query died: connect");

$func = $_GET['func'];
$func($cxn);

function salt($length)
{
    // Assign strings to variables
    $lc = 'abcdefghijklmnopqrstuvwxyz'; // lowercase
    $uc = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; // uppercase
    $nr = '1234567890'; // numbers
    $sp = '^@*+-+%()!?'; //special characters
    $chars = $lc.$up.$nr.$sp;

    // Length of character list
    $chars_length = (strlen($chars) – 1);
    // Start our string
    $string = $chars{rand(0, $chars_length)};
    // Generate random string
    for ($i = 1; $i < $length; $i = strlen($string))
    {
        // Take random character from our list
        $random = $chars{rand(0, $chars_length)};
        // Make sure the same two characters don’t appear next to each other
        if ($random != $string{$i – 1}) $string .= $random;
    }
    return $string;
}

function login($cxn)
{

}

function register($cxn)
{
    $username = mysqli_real_escape_string($_GET['fusername']);
    $sql = "SELECT username FROM user WHERE username = '$username' ";
    $result = mysqli_query($cxn,$sql)
        or die(mysqli_error($cxn));
    $num = mysqli_num_rows($result);

    if($num > 0) //if the username exists already
    {
        exit();
    }
    else //adding the new user to the database
    {
        $password = md5($_GET['fpassword']);
        $salt = salt(5);
        $const = "hy7";
        $password .= $salt;
        $password .= $const;
        echo $password

    }
}