title: How to save and generate excel file and save in server
body: <p>I've to generate zip file by php in that file there are few resume and 1 excel file
  I successfully add that resumes but unable to add excel because that excel file is also php file which generate excel so i want code to save that excel file on server so i can include in my zip file its all dynamic so i'm confused how can it happens when someone click on download zip file and get that excel file also in it.</p>