What is HTTPs and do I need to make any changes to my PHP program to work on it?

[mesh2005]

I have a PHP program that runs on Apache and connects to MySQL. The network administrator told me that they will block HTTP and allow HTTPS, will that cause a problem with my application?

 

The administrator will install the certificates, do I need to change the code? The database is hosted on the same server too.

[PC Nerd]

as far as i know, you wont have to change any code, however im not sure about encryption or anything, whether youll have to change anything to do with that ( if your site uses encryption etc like banking etc.)

 

gdlk

[mesh2005]

my site offers commercial products, users pay online using credit cards. Do you think that moving to HTTPS may affect on the payment processing?