<?php
	$mysql_host = "127.0.0.1";
	$mysql_user = "root";
	$mysql_pass = "pass";
	$mysql_db = "hii";

	$action = "";

	if (isset($_GET['action']))
		$action = $_GET["action"];
?>

<?php

function udb_hash($pass)
{
	$length = strlen($pass);
	$s1  = 1;
	$s2 = 0;
	for($n = 0; $n < $length; $n++)
	{
			$s1 = ($s1 + $pass[$n]) % 65521;
			$s2 = ($s2 + $s1) % 65521;
	}
$wy = ($s2 << 16) + $s1;
	return $wy;

}

?>

<h1>Register Placeholder</h1>

<form name="register" action="register.php?action=doregister" method="post">
<table>
<tr>

<td>SA-MP Name:</td>
<td><input type="text" name="username" /></td>
</tr>

<tr>
<td>Password:</td>
<td><input type="password" name="password" />
</tr>

<tr>
<td>Email:</td>
<td><input type="text" name="email" />
</tr>

<tr>
<td colspan="2">
<center><input type="submit" value="Register" style="width: 200px;" /></center>
</td>
</tr>
</table>
</form>

<?php
	if (strcmp($action, "doregister") == 0)
	{
		$con = mysql_connect($mysql_host, $mysql_user, $mysql_pass);

		if (!$con)
		{
			die(mysql_error());
		}

		mysql_select_db($mysql_db, $con);

		$username = $_POST['username'];
		$password_raw = $_POST['password'];
		$password = udb_hash($password_raw);
		$email = $_POST['email'];

		$result = mysql_query("SELECT * FROM accounts WHERE username='$username'", $con);

		if (mysql_num_rows($result) != 0)
		{
			die("An account already exists with that username.");
		}

		if (strlen($username) > 24)
		{
			die("Username is too large.");
		}

		mysql_query("INSERT INTO accounts (username, password, email) VALUES ('$username', '$password', '$email')", $con);
		echo "Account created.";

		mysql_close($con);
	}
?>