Re: Speeding up program
| From: | Emile Bosch | Date: | Mon, 29 Oct 2001 20:40:15 +0000 |
| Subject: | Re: Speeding up program | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-72770@lists.php.net to get a copy of this message | ||
wrote some code..
<?
function test($testid) {
echo "called from $testid!<br>";
return 4;
}
echo "DOING THE FIRST TEST<BR>";
for ($i = 0; $i < test('first'); $i++) {
//doStuff
};
echo "<br>";
echo "DOING THE SECOND EMILE COMPACT BLAH TEST<BR>";
for ($i = 0; $i < ($num?$num:($num = test('second'))); $i++) {
//doStuff
};
//for ($i = 0; $i < ($num?$num:($num = mysql_num_rows($Results))); $i++) {
//};
?>
tralalal good luck
"David Robley" <huntsman@www.nisu.flinders.edu.au> schreef in bericht
news:01091910452903.15278@www...
> On Tue, 18 Sep 2001 20:56, Niklas Lampén wrote:
> > How big difference does it make in speed in these:
> >
> > <?
> > for ($i = 0; $i < mysql_num_rows($Results); $i++) {
> > blah
> > };
> > ?>
> >
> > or
> >
> > <?
> > $n = mysql_num_rows($Results);
> > for ($i = 0; $i < $n; $i++) {
> > blah
> > };
> > ?>
> >
> > So actually I'm asking how much more/less it takes time to do the
> > comparing against mysql_num_rows() insted of comparing against a
> > variable.
> >
> >
> > Niklas
>
> Will deppend on the environment in which you are running it. to test it
> on your environment, try running each say ten thousand times in a loop,
> and use a timer like microtime to check how long it takes.\
>
> Then you can let us all know the answer.
>
> --
> David Robley Techno-JoaT, Web Maintainer, Mail List Admin, etc
> CENTRE FOR INJURY STUDIES Flinders University, SOUTH AUSTRALIA
>
> Why can't we just spell it orderves?