Perhaps making the<?php and?> in red or something that's a stark contrast to the HTML. Right now the PHP snippets and HTML just sort of blend in with each other.
you can override the keyword .cm-m-clike.cm-meta to achieve that:
which will look something like this:
To do this, you'll need to create a theme and in your package.json you'll need to make sure that _Mode aware styles` are enabled with
To get started, see https://github.com/adobe/brackets/wiki/Creating-Themes and sure to post back if you have any issues!