According to this article, http://devzone.zend.com/article/2803, var_dump is supposed to beautify the outputs.
I have installed xdebug on my local host with PHP Vers
You can also use a custom tool called Kint instead of var_dump.
It's effortless to install and use with almost any PHP project. Right off the bat, it's just more readable and pretty, but has lots of advanced features which you'll gradually appreciate.
You need to have html errors turned on in your php config as well