rmwebs, i don't think it is since php4. echo is and also has been a language construct which do not require parenthesis. To my knowledge is it not version dependent.
Dan, now you're just being picky lol!
technically....
PHP Code:
echo 'Copyright © 1950 - ' . date('Y');
...would be better as we do not variables names to be expanded. Now
that's being picky lol