gistfile1.php

$generateKpiValue = function($metric_info) {
			// there's a regexp for this, if you know it, it'd probably be faster
			$words = explode('_', str_replace('ga_', '', $metric_info['uid']));
			foreach($words as &$word) {
				$word = ucfirst($word);
			}
			return join('', $words);
		};