Editing php.ini file?

That depends on how your webhost has the server configured. You are best to ask that question of your webhost. Some hosts have a way that you can have a local php.ini that you can edit that overrides the server’s default settings.

On the other hand, you shouldn’t be uploading an image over 2 megs in size in the first place. That would be an right-from-the-camera image size. Images should first be reduced in size with image software before being uploaded. Most web images are under 100K, a twentieth of 2 megabytes. There still are many people on dialup internet connections, and a 2 megabyte download for them takes a long time.

I’m aware about the image size. However, the same also goes for any file I will be needing to upload, some of which are naturally, large, like video. It’s less about the “images” and more about the limitation.