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[nycphp-talk] string function

John Campbell jcampbell1 at gmail.com
Thu Jul 3 13:29:46 EDT 2008


On Thu, Jul 3, 2008 at 1:22 PM, John Campbell <jcampbell1 at gmail.com> wrote:
> On Thu, Jul 3, 2008 at 1:10 PM, David Mintz <david at davidmintz.org> 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; ) {
>>>
>>
>> Although calling count() repreatedly is also more expensive than doing it
>> once and saving its value in a variable, isn't it?
>
> The code doesn't call count repeatedly because it is in the first part
> of the for loop.
>
>> and.... aren't you glad this guy asked this question?
>
> No.
>



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