<?php session_start(); $error =""; if (array_key_exists("id", $_SESSION) OR array_key_exists("id", $_COOKIE)) { header("welcome.php"); } if (array_key_exists("submit", $_POST)) { $link = mysqli_connect("localhost", "root", "root", "form"); if (mysqli_connect_error()) { die ("Database Connection Error"); } else { $query = "SELECT manufacturer, serial FROM `users` WHERE manufacturer = '".mysqli_real_escape_string($link, $_POST('manufacturer'))."' AND serial = '".mysqli_real_escape_string($link, $_POST('serial'))."'"; $result = mysqli_query($link, $query); $row = mysqli_fetch_array($result); if(isset($row)) { $_SESSION['id'] = $row['id']; setcookie("id", $row['id'], time + 60*60*24); header("Location: welcome.php"); } else { $error = "Invalid data entered. Not a Pro member?"; } } } ?>
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