Question

To check whether a file was uploaded, you look in the _______ superglobal array.

(a) $_FILES

(b) $_DOCS

(c) $_DOCUMENTS

(d) $_FOLDERS

I have been asked this question in an internship interview.

Enquiry is from Image Uploading Ability topic in portion Objects and Databases in PHP of PHP

Answer 1

Right answer is (a) $_FILES

Easiest explanation: Whenever a file is uploaded via an HTML form, that file is stored in temporary memory and information about the file is passed in the $_FILES superglobal.