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A guide to help you configure Apache on Windows to serve images stored outside the document root directory. Learn to use aliases effectively!
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This video is based on the question https://stackoverflow.com/q/69779883/ asked by the user 'Quobi Slim' ( https://stackoverflow.com/u/17088489/ ) and on the answer https://stackoverflow.com/a/69780105/ provided by the user 'Professor Abronsius' ( https://stackoverflow.com/u/3603681/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Access Images Outside DocumentRoot in Apache on Windows

When you're developing a web application and need to handle user-uploaded images, you may find yourself storing these images in a folder outside your server's documentRoot. If you are using Apache on Windows, you might run into trouble displaying these images properly due to some configuration constraints. This guide will help you troubleshoot the problem and show you how to configure your server to access images outside the documentRoot effectively.

The Problem

In your specific situation, you've set up a directory for storing user-uploaded images at C:\exclusive\webdev while your documentRoot is located at C:\xampp\htdocs\create. After attempting to access the images using PHP and an alias setup, you are finding that the images are not being displayed correctly. This results in frustration, especially since you haven’t even hosted the website yet!

Understanding Apache Configuration

To make sure it works, let’s first clarify your Apache configuration, particularly the alias section. Below is how your current setup looks:

[[See Video to Reveal this Text or Code Snippet]]

Options Directive: Allows both directory browsing and script execution.

AllowOverride Directive: Grants permission to .htaccess files to override server settings.

Require Directive: Authorizes access to the directory.

Accessing Images with PHP

To access the images, you need to create a correct path in your PHP script. Here’s how you can do that:

Updated PHP Code

You'll need to make a few changes in your PHP script to provide an absolute path to your images. Here's an updated version of your code:

[[See Video to Reveal this Text or Code Snippet]]

Key Changes Explained

Absolute Path: Ensure you provide the absolute path to your image directory (c:\exclusive\webdev). Using an absolute path prevents any path resolution issues.

Alias Path: Use your defined alias (/webdev) for the image source in the HTML image tag. This is the URL structure that users will access.

Image Filtering: The RegexIterator is employed to select only specific file types (jpg, png, gif, webp), ensuring that only valid images are processed.

Conclusion

By properly configuring your Apache server with an alias and ensuring your PHP code points to the correct paths, you can smoothly access images stored outside of your documentRoot. Testing in a local development environment can help you catch issues before deploying your site.

Now you can display user-uploaded images seamlessly on your web application without breaking any configurations. Happy coding!