Validating input type file
The advantage of using this function is, it converts string numbers ( function.This flag enables some amazing attributes to the function. We have discussed many functions to validate inputs.I assume that you have basic knowledge on Object Oriented Programming. Our class must prevent XSS attacks and validate inputs.I have named the class as Let's see some examples of usage of our class.
So, every user who visits this page will be redirected to function to validate variables.
If you have any kind of question to ask, comment below.
Earlier browsers did not support HTML5 File API, so normally people would use flash or Java Applets to validate file format and sizes in HTML upload forms, and most of us preferred to skip the client part letting server handle the problem.
But in recent years, the HTML5 is doing wonders, it comes with many features including the client-side file objects manipulation (File API).
Which means no more 3rd party plug-ins such as flash or Java applets. Here's what I did to an upload form that uses j Query.
Finally we created a class to make validating more convenient.