我在将该代码用于我即将推出的网站上时遇到问题.特别是当我登录时,成功登录后不会重定向.我以前使用过这段代码很多次,而且我从未遇到过这方面的问题.现在唯一的区别是我使用的是不同的服务器和不同的数据库.这是给我带来麻烦的代码:
<?php
/*set all the variables*/
$email = $_POST['email'];
$password = sha1($_POST['password']); /* hash the password*/
$conn = mysqli_connect ('servername', 'username', 'password', 'databasename') or die('Error connecting to MySQL server');
/*select the id from the users table that match the conditions*/
$sql = "SELECT id FROM users WHERE email = '$email' AND password = '$password'";
$result = mysqli_query($conn, $sql) or die('Error querying database.');
$count = mysqli_num_rows($result);
if ($count == 1) {
echo 'Logged in Successfully.';
$row = mysqli_fetch_array($result);
session_start();
$_SESSION['user_id'] = …