How to convert word in securt code

[kako0000000]

Hello, my question is that i change word in secret code using some word. whenever i check or see word convert secret code into my word.
i thank u r not understand my question however I will give you an example.

<?php $word = "btcearn.ueuo.com"; echo $word; Out put Result btcearn.ueuo.com echo md5($word); Out put Result fee1b09c0f86a6c1fd971db72e955932 this record saved in database using md5($word); But when i see website name show me "fee1b09c0f86a6c1fd971db72e955932" how i see result " btcearn.ueuo.com "

[chorn]

What you are using is a hash. What you are searching for is encryption. Read on that topics.