can any plzzzzzzzzz help me out !!!!!!!1111

i need to add print button in my page that will print the hole page with imags and txt everything. but the code should be simple plzzzzzzzzzzzz help meeee

I have php page which the data in the page are extracted from MYSQL
database.
The data are retrieved when user click submit button .
In the php page , there is a print button for user to print the php
page.

<a href="javascript:window.print()">Click to Print This Page</a>