<?php session_start(); include "../includes/db.class.php"; include "../includes/shortener_processor.php"; $url = $_REQUEST['url']; $key = mt_rand(10000, 99999); if (!preg_match("%^((https?://)|(https?://)|(www\\.))([a-z0-9-].?)+(:[0-9]+)?(/.*)?\$%i", $url)) { $_SESSION["err_msg_{$key}"] = "URL is not valid. Please try again."; header("Location: http://ant.directory/URL-shortener/index.php?err_message={$key}"); } else { $dbconn = new DB(); $shortener_processor = new shortener_processor($dbconn); try { $short_url = $shortener_processor->saveShortCode($url); $_SESSION["shortener_url_link_{$key}"] = "http://ant.directory/" . $short_url; header("Location: http://ant.directory/URL-shortener/index.php?message={$key}"); exit; } catch (\Exception $e) { $_SESSION["err_msg_{$key}"] = "ERROR: " . $e->getMessage(); header("Location: http://ant.directory/URL-shortener/index.php?err_message={$key}"); exit; } }