How to implement user registration and login in php mysql_PHP tutorial

php mysql method to implement user registration and login

This article mainly introduces the method of php mysql to implement user registration and login, which can realize simple user registration and login function, and has certain For reference value, friends in need can refer to it

The example in this article describes how php mysql implements user registration and login. Share it with everyone for your reference. The specific analysis is as follows:

This is a user registration and login code implemented using php and mysql database. The function is also a relatively simple and practical user registration program. It also adds a verification code program when the user logs in. This is much safer. The code is as follows :

The code is as follows:

require_once("config.php");
if(isset($_post["submit2"])){
mysql_select_db('a0807000225'); //This is a database table
$author=$_session["user_name"];
define(all_ps,"jinquan");
echo $username=$_post["username"];
echo $password=md5($password=$_post["password"].all_ps);
echo "
";
if($username){
if($password){
$str = "insert into `dx_user_list` ( `uid` , `m_id` , `username` , `password` ) values ​​(ascii( null ) , '1', '$username', '$password');";
$rs=mysql_query($str,$conn);
mysql_close($conn);
}
if($rs){
echo"<script>alert('Added successfully');location.href='yonghuzc.php'</script>";
}else{
echo"<script>alert('Add failed');location.href=''yonghuzc.php'</script>";
}
}
}
?>

I hope this article will be helpful to everyone’s PHP programming design.

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