PHP Login System Reloaded

Update: There’s a new version of this Login Script. Here’s a PHP Login System, based on the one developed by jpmaster77: PHP Login System with Admin Features Focusing only on […]

Update: There’s a new version of this Login Script.

Here’s a PHP Login System, based on the one developed by jpmaster77: PHP Login System with Admin Features
Focusing only on the core functionalities and aimed to improve certain parts of the code, I took out some functionalities and added some others:


  • Admin features
  • Active guests, active users, banned users
  • Global variables
  • Links to other pages after the login

All these can be easily reintegrated if you want. I focused on the login and registration part, leaving out the content “inside”.


  • PHP 5 instead of PHP 4
  • mysqli extension
  • Send registration confirmation link to the email address
  • Reset password feature without sending password to the email. Instead a link is sent to reset the password
  • UTF8 support
  • InnoDB transactions for database operations
  • Registration and form validations made with AJAX
  • jQuery
  • Captcha image in registration form to avoid spam

Here are the most important settings for the installation of the login system.
Set database access in constants.php:

define("DB_SERVER", "localhost");	//type mysql server url
define("DB_USER", "XXXXXXX");		//type mysql user
define("DB_PASS", "XXXXXXX");		//type mysql password
define("DB_NAME", "XXXXXXX");		//type mysql database name

Further, you have to set the right location of the following files for the mail sending functions:


The only table that you have to create in your MySQL database is the following:

pk_user int unsigned not null auto_increment,
email 	varchar(120) not null,
flname varchar(100) not null,
password varchar(64) not null,
usr_signup_date timestamp not null default CURRENT_TIMESTAMP,
usr_userid varchar(32),
# for the account confirmation:
usr_confirm_hash varchar(255) not null,
# after confirming its set to 1:
usr_is_confirmed tinyint(1) not null default 0,
# when the user resets password (forgot password):
usr_resetpassword_hash varchar(255) not null,
unique index(email),
primary key(pk_user)
)type=innodb DEFAULT CHARACTER SET utf8	COLLATE utf8_general_ci;

I will soon post a new version, as I am currently improving some points.

See a demo here: PHP Login System Demo

You can download the source code here: PHP Login System ZIP

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Chadking is an absolute geek that rarely leaves the comfort of his 3-screen desk. He is a self taught programmer and is addicted to all possible legal drugs.

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Comments are closed.
  1. Hey Chad,
    thanks for the great login system. I installed everything correctly (I’m pretty sure) and I get “an error ocurred bla bla we should put a message for this”. This occurred right after I pressed ‘Register”. I checked the code and found the error trap in ‘register.php’, but in looking at the ‘else if’ statement, can’t make sense of the ‘data.result == “-2”. Any help please? Thanks again

  2. Everybody must know that the submit button can not work on testing server that is not connected to the internet. And if a user is manually entered into the table the sha1 in the core.php where the _login() function is called should be removed if not you will be having “invalid password” message.