Php create file and download

- Php create csv file and download
- Php create zip file and download
- Php create excel file and download
- Php create text file and download
- Php create json file and download
- Php create xml file and download
- Php create xlsx file and download
- Php create csv file from array and download
- Php create temp file and download
- Php create file for download without saving on server
- Php create zip file in memory and download