PHP$\u会话[variable]在下一页上没有获得值
这是一个登录表单,当用户名/密码与数据库值匹配时,我们将从该表单重定向到Login_success.php页面 Checklogin.phpPHP$\u会话[variable]在下一页上没有获得值,php,session-variables,Php,Session Variables,这是一个登录表单,当用户名/密码与数据库值匹配时,我们将从该表单重定向到Login_success.php页面 Checklogin.php <?php include 'config.php'; // username and password sent from form $myusername=$_POST['email']; $mypassword=$_POST['password']; // To protect MySQL injection (more detail a
<?php
include 'config.php';
// username and password sent from form
$myusername=$_POST['email'];
$mypassword=$_POST['password'];
// To protect MySQL injection (more detail about MySQL injection)
$myusername = stripslashes($myusername);
$mypassword = stripslashes($mypassword);
$myusername = mysql_real_escape_string($myusername);
$mypassword = mysql_real_escape_string($mypassword);
$sql="SELECT * FROM drsignup WHERE email='$myusername' and password='$mypassword'";
$result=mysql_query($sql);
// Mysql_num_row is counting table row
$count=mysql_num_rows($result);
// If result matched $myusername and $mypassword, table row must be 1 row
if($count==1){
// Register $myusername, $mypassword and redirect to file "login_success.php"
$_SESSION['email']=$myusername;
$_SESSION['password']=$mypassword;
header("location:login_success.php");
}
else {
echo "Wrong Username or Password";
}
?>
Login\u success.php
<?php
include 'config.php';
// username and password sent from form
$myusername=$_POST['email'];
$mypassword=$_POST['password'];
// To protect MySQL injection (more detail about MySQL injection)
$myusername = stripslashes($myusername);
$mypassword = stripslashes($mypassword);
$myusername = mysql_real_escape_string($myusername);
$mypassword = mysql_real_escape_string($mypassword);
$sql="SELECT * FROM drsignup WHERE email='$myusername' and password='$mypassword'";
$result=mysql_query($sql);
// Mysql_num_row is counting table row
$count=mysql_num_rows($result);
// If result matched $myusername and $mypassword, table row must be 1 row
if($count==1){
// Register $myusername, $mypassword and redirect to file "login_success.php"
$_SESSION['email']=$myusername;
$_SESSION['password']=$mypassword;
header("location:login_success.php");
}
else {
echo "Wrong Username or Password";
}
?>
此表单为登录并启动会话的用户显示欢迎消息。在下面的代码中,我无法使用欢迎字符串获取$\u会话['email']值,并显示未定义的索引电子邮件
我试图从session_id()收集session_id;函数,该函数给出的值类似于e9ubrn9v239o60tfalag6e6kt4。
请让我知道为什么我不能在这里获得电子邮件id。我如何在我的所有php页面上存储我的会话变量
<?php
session_start();
echo session_id();
SESSION_WRITE_CLOSE();
if(isset ($_SESSION['email']))
{
echo "Welcome $_SESSION['email']";
}
else
{
header("location:Drlogin.php");
}
?>
您需要在Checklogin.php
中添加session\u start()
。您需要在使用会话的每个页面上启动会话。您需要在Checklogin.php
中添加session\u start()
。您需要在使用会话的每个页面上启动会话。您的会话\u start()
在第一页的哪里?将会话\u start()
添加到配置文件中。可能只是一个简短说明的重复,为什么要在会话中保存密码?不建议这样做。您的session\u start()
在第一页的哪里?将session\u start()
添加到配置文件中。可能只是一个简短注释的副本,为什么要在会话中保存密码?我不建议这样做。