Functions for using .htpasswd in PHP

This script (htpasswd.inc) allows you to

• read .htpasswd file in PHP
• test passwords against it (unix crypt or SHA1)
• add new user/password pairs into it
• write .htpasswd file back to disk

The script is copyright (C) 2004,2005 by Jarno Elonen and it's licensed under the Modified BSD license (see the script comments for details).

Thanks to Jürgen Galupki for a CRYPT_SALT_LENGTH patch and Jonas Wagner for SHA1 support.

Usage example

Here's how to emulate the basic .htaccess method to password protect your web site. Obviously, it's not the most useful way to employ this script, but a good example anyway.

The code