index.php

<?php
session_start();
require("config.php");
require("functions/db.php");
require("functions/links.php");
require("functions/common.php");
require("functions/forms.php");
$_SESSION[id] = intval($_SESSION[id]);
if($_GET[logout]==1) { logout(); header("Location: ".PREFIX); }
if(!isset($_SESSION[id])) { $_SESSION[id] = 0; } // Set id to 0 if we aren't logged in

if(!isset($_GET[category])) { $_GET[category] = NULL; }
elseif(!categoryExists($_GET[category])) { header("Location: ".PREFIX); } // Redirect back to start if category doesn't exist

if(!isset($_GET[domain])) { $_GET[domain] = NULL; }
elseif(!domainExists($_GET[domain])) { header("Location: ".PREFIX); } // Redirect if the domain doesn't exist

checkLogin($_SESSION[id]);

if(intval($_GET[page] == 0)) { $_GET[page] = 1; }
$links = getLinks($_GET[page],LINKS_PER_PAGE,$_GET[category],NULL,$_GET[domain]);

// If we're on the first page, no category has been specified and there are no links (empty links table, basically), just print the header
if(empty($links[0]) && $_GET[category] == NULL && $_GET[page] == 1) { 
	printHeader();
}

elseif(!empty($links[0])) { // Print the header followed by the links
	printHeader();
	$pagination = pagination($links[page],$links[totalpages],"links");
	print($pagination);
	print "<div class=linklist><ul>";
	
	foreach($links[0] as $link) {
		print(printLink($link));
	}


	print($pagination);
	print "</ul></div>";

	// List the top 5 users
	print "<div class=activeusers>";
	print "<h4>Most active users</h4>";
	$activeusers = getUser();
	print "<ol>";
	foreach($activeusers as $u) {
		print "<li><a href=user.php?id=$u[id]>$u[username]</a> - $u[links] links, $u[comments] comments, $u[points] points</li>";
	}
	print "</ol>";	
	print "</div>";
}

// Redirect to start if we're in a category that exists or a page other than the first if there are no links
else { header("Location: ".PREFIX); }