Having a terminal in PhpEd is awesome. Most of the time I run the same commands in a terminal and thought it would be a massive time-saver if there was a way to save commands and use either drag/drop, shortkeys or buttons to enter them.

Pretty please?

It's not terminal's task to save the commands. If for example you work under bash shell, all the commands are saved by bash. Feel free to invoke them with up/down arrows.