How to Upload, Preview & Download Image using JavaScript & PHP


Hello reader, Today in this blog, you'll learn how to Upload, Preview & Download Image using JavaScript & PHP. Earlier, I've shared many blogs related to PHP [Custom Simple PHP Chatbot, Send Email from Localhost, Login & Signup Form with Email Verification], and many more. Now time to create another program (Easily Download Image through URL) using PHP.

In this program [Image Download using PHP], on the webpage, there is an image preview box with an image gallery icon, one input field to paste the image URL, and a button to download the image. This input field is fully validation that means the user can't upload any other URL except images. When you paste a valid image URL which has like .png or .jpeg extension then there is shown a preview of that image, and the download button also active to download the image, by default the download button is disabled at first. When you click on the download button, it immediately downloads the image.

If you're feeling difficult to understand what I am saying. You can watch a full video tutorial on this program [Download Image using JavaScript & PHP].


Video Tutorial of Download Image in JavaScript & PHP



In the video, you have seen how we can download any images on one click using PHP. I hope you've understood the basic codes behind creating this program. In this video, I've only created the design part of the Image Download Program. In the second part of this video, I have completed the JavaScript and PHP codes of this program. If you haven't still watched this video, please watch because I've explained each line of JavaScript and PHP code with the comments.

This design is fully based on HTML & CSS but to validate image extension and show preview of the image I used JavaScript and to download images I used cUrl in PHP.  cURL is a tool for transferring files and data with URL syntax, supporting multiple protocols - HTTP, FTP, TELNET, and more.

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Download Image in JavaScript & PHP [Source Codes]

To create this program [Image Download using PHP]. First, you need to create two Files one PHP File and another one is CSS File. After creating these files just paste these following codes in your file. You can also download the source code files through the given link. Click here to download source code files.

PHP FILE:

CSS FILE:


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