lainchan/mod.php

<?php
	require 'inc/functions.php';
	require 'inc/display.php';
	if (file_exists('inc/instance-config.php')) {
		require 'inc/instance-config.php';
	}
	require 'inc/config.php';
	require 'inc/template.php';
	require 'inc/user.php';
	
	// If not logged in
	if(!$user) {
		if(isset($_POST['login'])) {
			// Check if inputs are set and not empty
			if(	!isset($_POST['username']) ||
				!isset($_POST['password']) ||
				empty($_POST['username']) ||
				empty($_POST['password'])
				) loginForm(ERROR_INVALID, $_POST['username']);
			
			// Open connection
			sql_open();
			
			if(!login($_POST['username'], $_POST['password']))
				loginForm(ERROR_INVALID, $_POST['username']);
			
			// Login successful
			// Set cookies
			setCookies();
			
			// Close connection
			sql_close();
		} else {
			loginForm();
		}
	} else {
		// The rest is not done yet...
	}
?>