by panique

202 Stars 89 Forks Last release: almost 7 years ago (v1.0) 55 Commits 1 Releases

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A simple, but secure PHP login script in one file and a flat-file SQLite database.

No installation needed, ready to go in under 60 seconds. Uses the ultra-modern & future-proof PHP 5.5. BLOWFISH hashing/salting functions (includes the official PHP 5.3 & PHP 5.4 compatibility pack, which makes these functions available in these versions too).

This script was originally part of the "php-login project", a collection of 4 different login scripts made in the 2012-2013 PHP era to give especially beginners and security-inexperienced users a set of basic auth functions that fitted the most modern password hashing standards possible. You know, this was the time when even major companies like SONY and LinkedIn used horrible outdated MD5-hashing for their passwords (or even saved everything in plain text) and when the big PHP frameworks didn't have proper user auth solution out-of-the-box.

Support the project

Find the other versions here:

One-file version (not maintained anymore) Full login script in one file. Uses a one-file SQLite database (no MySQL needed) and PDO: Register, login, logout.

Minimal version (not maintained anymore) All the basic functions in a clean file structure, uses MySQL and mysqli. Register, login, logout.

Advanced version (not maintained anymore) Similar to the minimal version, but full of features. Uses PDO, Captchas, mail sending via SMTP and much more.

HUGE (professional version) Quite professional MVC framework structure, useful for real applications. Additional features like: URL rewriting, mail sending via PHPMailer (SMTP or PHP's mail() function/linux sendmail), user profile pages, public user profiles, gravatars and local avatars, account upgrade/downgrade etc., OAuth2, Composer integration, etc.


  • PHP 5.3.7+ (with PDO and SQLite extension activated)

Installation (quick setup)

Run the install script

in the
folder which will create a
file (the database). That's it.

Installation (very detailed setup)

A very detailed guideline here in this blog post.

Important security note

In the default setup the database - which is only a simple users.db file - can be downloaded directly. To prevent this, change the path of your database file! A path that is not accessable by public is perfect. The .htaccess in the project only works if you have set

in your vhost / apache config.

Short guide


does all the action, please look into the code for more info, everything is commented. The install script
creates a database (a file named
) right into the root folder. The
protects your database file from being downloaded. The
is only loaded automatically when you use a PHP version older than 5.5 to add the new PHP 5.5 password hashing functions to these older PHP versions. The
is a little helper tool, it simply echoes out the content of the database.

Useful links


Licensed under MIT. You can use this script for free for any private or commercial projects.


If you think this script is useful and saves you a lot of work, then please support the project by renting your new server at Host1Plus or DigitalOcean, it's just $2 - $5.


Please commit only in develop branch). The master branch will always contain the stable version.

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