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This tutorial tackles on how to create a file type validation using PHP. File type or mime type is the same as the file extension of a file being uploaded. This tutorial will teach you on how to check the file/mime type or the file extension of a file.

This tutorial tackles on how to create a preview before upload in Angular JS. Preview is useful in application so that the user can check the file before he uploads it. In this tutorial, we're going to preview images using Angular Js. Angular JS is a javascript framework maintained by Google and is capable of creating Single-Page Applications.