Re: New years resolution: To get serious with my programming! Anyone wanna help? :)
| From: | Zoltán Németh | Date: | Fri, 18 Jan 2008 08:39:04 +0000 |
| Subject: | Re: New years resolution: To get serious with my programming! Anyone wanna help? :) | ||
| References: | 1 2 3 4 5 6 7 8 9 10 11 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-267532@lists.php.net to get a copy of this message | ||
2008. 01. 17, csütörtök keltezéssel 15.01-kor Richard Lynch ezt írta:
> On Thu, January 17, 2008 2:06 am, Jochem Maas wrote:
> > Richard Lynch schreef:
> >> On Wed, January 16, 2008 9:57 am, Daniel Brown wrote:
> >>> echo($h."\n".$i."\n"); // echo is a construct, but as
> >>> expected, can
> >>> use parentheses()
> >>
> >> Just to be picuyane:
> >>
> >> echo isn't using the parens.
> >>
> >> The parens are forcing PHP to evaluate the concatenation of the
> >> strings FIRST, and then echo them.
> >>
> >> And since the concatenation operator takes precedence over the
> >> language construct, the parens are basically useless cruft.
> >
> > not to mention that it should be written as (spaces are optional ;-)):
> >
> > echo $h, "\n", $i, "\n";
> >
> > which avoids any concat operation and dumps the result of each
> > expression
> > direct to the buffer :-)
>
> I wanted to avoid the whole concat versus multi-arg performance
> thread, since it usually takes about a week before somebody posts the
> definitive answer, showing the actual PHP opcodes generated...
no, this time it won't take a week, as I have the answer at hand ;)
http://blog.libssh2.org/index.php?/archives/28-How-long-is-a-piece-of-string.html
>
> And I don't recall the answer, and don't give a [bleep] since it's
> almost never the bottleneck in an application in the first place...
you're absolutely right in that, personally I don't care about it either
when coding. however the above article is an interesting read :)
greets
Zoltán Németh
>
> --
> Some people have a "gift" link here.
> Know what I want?
> I want you to buy a CD from some indie artist.
> http://cdbaby.com/from/lynch
> Yeah, I get a buck. So?
>