php error: The Encrypt library requires the Mcrypt extension in codeigniter

Question

I have a login and sign up form and use the encrypt library to encrypt the password.. I am using Xampp for my server and my system works correctly..

code to encrypt

Answer 1

Open your: /etc/php5/apache2/php.ini
Example: sudo gedit /etc/php5/apache2/php.ini
At line 1728, put this code:

extension=mcrypt.so

Then restart your Apache.