In Perl, CGI(Common Gateway Interface) is a protocol for executing scripts via web requests or in other words we can say it’s a set of rules and standards that define how information is exchanged between the custom script and Web Server.
Uploading a file on the Web Server is done with the use of a File upload Form. This File upload form is created on any text editor available and the form must be saved with .htm or .html extension. Creation of a File Upload form involves the following steps:
The close() function is an inbuilt function in PHP | Spreadsheet_Excel_Writer which is used to finalize the spreadsheet after which all the operations are done. This method should always be the last one to be called on every workbook.