Fuuuucking ass...

<?php

require_once ('../includes/functions.php');
$task = (isset($_GET['task']) ? $_GET['task'] : 'default');
switch ($task) {
    case 'add':
        if (empty($_POST)) {
            include_once 'forms/adddata.php';
        } else {
            $name = $_POST['name'];
            $shortDescription = $_POST['short_rescription'];
            $fullDescription = $_POST['full_description'];
            $created = date("Y-m-d H:i:s");
            $createdBy = (int) $_SESSION['id'];
            if (mysql_query("INSERT INTO data(name, full_description, short_description, created, created_by)
                VALUES('$name', '$fullDescription', '$shortDescription', '$created', '$createdBy')")) {
                $dataId = mysql_insert_id();
                $query = '';
                $query.="INSERT INTO data_category(data_id, subcat_id, maincat_id) VALUES ";
                foreach ($_POST['subcat_id'] as $subcatId) {
                    $mainCatId = getMainCatId($subcatId);
                    $query.="('$dataId', '$subcatId', '$mainCatId'),";
                }
                $query = substr(trim($query), 0, -1);
                if (mysql_query($query)) {
                    $torrentLinks = explode("\r\n", $_POST['torrent_links']);
                    $linksCount = count($torrentLinks);
                    if ($linksCount != 0) {
                        $query = "INSERT INTO torrent_links(torrent_link, data_id) VALUES ";
                        for ($i = 0; $i < $linksCount; $i++) {
                            $query.="('" . $torrentLinks[$i] . "','" . $dataId . "'), ";
                        }
                        $query = substr(trim($query), 0, -1);
                        if (!mysql_query($query)) {
                            die(mysql_error());
                        }
                    }
                    if ($_FILES['photos']['name'][0] != "") {
                        $photoDir = ROOT_PATH . '/photos/' . $dataId . '/';
                        if (mkdir($photoDir, 0777)) {
                            for ($i = 0; $i < count($_FILES['photos']['name']); $i++) {
                                $fileName = md5(microtime()) . '.jpg';
                                $filePath = $photoDir . $fileName;
                                if (move_uploaded_file($_FILES['photos']['tmp_name'][$i], $filePath)) {
                                    if (!mysql_query("INSERT INTO photos(data_id, filename) VALUES('$dataId', '$fileName')")) {
                                        die(mysql_error() . '::' . __LINE__);
                                    }
                                }
                            }
                        } else {
                            echo "Невозможно создать директорию: <b>" . ROOT_PATH . '/photos/' . $dataId . '/' . "</b>";
                        }
                    }
                }
                else
                    die(mysql_error() . '::' . __LINE__);
            }
            else
                die(mysql_error() . '::' . __LINE__);
        }
        break;
    case 'list':
        break;
    default:
        header("Location: index.php");
        break;
}