Re: does //commenting reduce performance?
| From: | @ Edwin | Date: | Sun, 24 Nov 2002 13:43:44 +0000 |
| Subject: | Re: does //commenting reduce performance? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-125798@lists.php.net to get a copy of this message | ||
Hello,
"Ernest E Vogelsinger" <ernest@vogelsinger.at> wrote:
> As PHP is an interpreter it needs to scan every line and every token of
> code as it runs it. Thus said, of course using comments takes more time to
> execute than having no comments.
>
> I have no profiling yet how much having comments or blank lines would
> actually effect execution times, but I doubt it would be really an issue
> since PHP, once a comment start is encountered, doesn't parse the text but
> just scans for the end-comment tag.
That said, it's reasonable to think that
//
// I
// have
// long
// comments
// that
// extends
// hundreds,
// if not,
// thousands
// of lines.
// Just kidding! :)
//
would be faster (unnoticeable it may be) than
/* -------------------------------------------------------------
I
have
long
comments
that
extends
hundreds,
if not,
thousands
of lines.
Just kidding! :)
------------------------------------------------------------- */
Anyway, it's *always* better to have comments than nothing at all...
- E