PHP upload size and its impact on post size and memory limit

Question

My PHP web application requires files (about 2.5 to 3 GB in size) to be uploaded to the server. How will this impact on following directives ?

what are the required

Answer 1

Your values should be the maximum size of the file you want to upload. So if you want 3GB, then each of those values should be 3072M (3GB in MB).