Outputting Multiple Items from a PHP Associative Array

Hey guys,

Yet another simple PHP question as I can't seem to get hold of my 'go-to-guy'.

I'm trying to display the first and last name of a person (I'll use myself as the example), basically I have the array set up as seen below:

$player = array(
    "stu_cowley" => array('first_name' => 'Stu', 'last_name' => 'Cowley')
);

I would like to see both my first and last name, logically I would've thought you would simply do the following:

<?php echo $player['stu_cowley']['first_name']['last_name']; ?>

But I am left with the "White Screen of Death" when I use this method.

I would just make the array string "Stu Cowley" but I need to break people's name by their first name and last name in multiple sections of the site so I felt this was the best way to achieve this (if that makes sense).

If someone could give me some advice on how I could achieve this I would be incredibly grateful!

Stu :)