NYCPHP Meetup

[Brian O'Connor]

On Thu, Jul 3, 2008 at 1:32 PM, John Campbell <jcampbell1 at gmail.com> wrote:

> On Thu, Jul 3, 2008 at 12:45 PM, Michael Southwell
> <michael.southwell at nyphp.com> wrote:
> > John Campbell wrote:
> >>
> >> $p = explode('|',$y);
> >> for($i=0,$c = count($p);$i<$c;) {
> >> echo $p[$i++],' ', $p[$i++], "<br>\n";
> >> }
> >
> > I believe this will miss the first element of $p; you need instead:
> >
> > for ( $i = -1, $c = count( $p ); $i < $c; ) {
>
> If you start from -1, then you would need to use ++$i rather than $i++
>
> Starting from -1 and using ++$i would be faster than what I wrote.


Starting at -1 to avoid using ++$i seems way more confusing than starting at
0 and using $i++.  As someone mentioned above, confusing code will offset
any computation savings you gain.

>
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-- 
Brian O'Connor
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