If anyone wondered how - here's one way...
$split_up = preg_split("{
(?<=[a-z]) # A look-behind assertion
# for a lowercase letter
(?=[A-Z]) # A look-ahead assertion
# for an uppercase letter
}x", "TheExampleTextOfCamelCase");
while
(list($k,$v) = each($split_up))
echo $v . " ";