Location: PHPKode > scripts > User Checker > user-checker/userchecker.complex-example.php
<?php
/*
Available functions:
	function __construct($user, $pass, $passcheck = 'md5', $session = FALSE)
	function set_db_connection($serveraddr, $serveruser, $serverpass, $serverdbname)
	function set_table($dbtable)
	function set_fields($userfield, $passfield)
	function validate()
	function print_query()
	function get_user_info()
*/
error_reporting(E_ALL);
include('userchecker.class.php');

//Special super-strong hash encryption function
function stronghash($plain)
{
	$hash = sha1(crypt(md5($plain), sha1($plain)));
	return $hash;
}

//Get user data
$username = $_POST['username'];
$password = $_POST['password'];

//Set MySQL information
$serveraddr = '127.0.0.1';
$serveruser = 'root';
$serverpass = 'toor';
$serverdbname = 'users';

//Pass username, password and DB information
//Tell the script that the password is hashed using a home-made function
$user = new User($username, $password, 'stronghash');
$user->set_db_connection($serveraddr, $serveruser, $serverpass, $serverdbname);
$user->set_table("users");
$user->set_fields('username', 'passwordhash');

//Start output
?>
<html>
<head>
<title>Simple login page</title>
</head>
<body>
<?php

//If the user was in fact created (ie. there was a username and password) then $user will not be false
if ($user && $user->validate() > 0)
{
	//A single user is found
	if ($user->validate() == 1)
	{
		echo "Congratulations, your credentials have been accepted!";
		
		//User is accepted, lets find some info about her and print it
		$information = $user->get_user_info();
		
		echo "Here is your info:";
		echo nl2br(print_r($information, True));
	}
	//Multiple users, something is wrong (Mark that calling validate() will not connect to the database again)
	else if ($user->validate() == 2)
	{
		die("Are you trying to hack us?");
	}
}
//If user was not found or user has not submitted the form yet
else if ($user->validate() == 0 || !$user)
{
	?><form action="" method="post"><input type="text" name="username" /><input type="password" name="password" /><input type="submit" value="Login" /></form><?php
}
//An error occured, print query and die
else
{
	die("An error occured using query: \"".$user->print_query()."\", see error log for details");
}
?>
</body>
</html>
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