Untitled

<html>
<body>

<?php
include 'menu.php';
display_signup();

if(!empty($_POST['uname']) && !empty($_POST['pass']))
{
$errors = array();
validate_data();
if(count($errors) != 0)
{
    display_errors();
    display_signup();
}

else
{
$server = "localhost";
$user = "fiacoil_guyt";
$pass = "2e3KDDgP";
$database = "fiacoil_learning";


$connection = mysql_connect($server, $user, $pass)
or die("U FAIL");

        $user = mysql_real_escape_string($_POST["uname"]);
        $pass = md5(mysql_real_escape_string($_POST["pass"]));
        $fname = mysql_real_escape_string($_POST["fname"]);
        $lname = mysql_real_escape_string($_POST["lname"]);
        $email = mysql_real_escape_string($_POST["email"]);
        $person = $_POST["person"];

        mysql_select_db($database,$connection);

         $checkusername = mysql_query("SELECT * FROM users WHERE uname = '".$user."'");
        if(mysql_num_rows($checkusername) == 1)
            echo "Error, Username already taken.";
        else
        {
        $query = "INSERT INTO users (uname, pass, fname, lname, email, type) VALUES ('$user', '$pass', '$fname', '$lname', '$email', '$person')";
        mysql_query($query);
        mysql_close();
        echo "Success! Now you can <a href=\"login.php\">Login</a>.";
        }
}


function display_signup()
{
?>
<form method="post" action="signup.php">
Username: <input type="text" name="uname"/></br>
Pass: <input type="password" name="pass"/></br>
Email: <input type="email" name="email"/></br>
First Name: <input type="text" name="fname"/></br>
Last Name: <input type="text" name="lname"/></br>


<b>Who are you in the family?</b><br/>
<input type="radio" name="person" value="father" /> Father<br/>
<input type="radio" name="person" value="wife" /> Mother<br/>
<br/>

<input type="submit"/>
</form>
<?php
}

function validate_data()
{
    global $errors;
    if($POST["uname"] == "") {
    $errors[] = "<font color='red'>Please enter your name!</font>"; }
}

function display_errors()
{
    global $errors;
    foreach($errors as $err)
        echo $err, "</br>";
}


?>
</body>
</html>