Re: [PHP4BETA] New function chrcount
| From: | Andrei Zmievski | Date: | Mon, 24 Apr 2000 20:58:45 +0000 |
| Subject: | Re: [PHP4BETA] New function chrcount | ||
| References: | 1 2 | Groups: | php.version4 |
| Request: | Send a blank email to php-version4+get-14008@lists.php.net to get a copy of this message | ||
On Mon, 24 Apr 2000, Peter Kovacs wrote:
> You'll have to forgive me, I'm not entirely familiar with all the inner
> workings of PHP, so I'm not exactly sure what the function does. I think
> the complication arises because we are looking for all occurences, not
> just a single occurence.
>
> For example take the following call str_count("aaaaaa", "aa")
>
> If we're just doing something like strpos then that's easy. However, in
> this case is the answer 3 or is it 5? Its that kind of complication that
> I was trying to avoid.
You can really simplify it if you assume that after you match a string
you simply start matching at the end of the previous match. So, in this
case it would find 3 occurrences. I don't think the alternative is very
useful.
-Andrei
* Non-volatile, random-access, analog memory store... a book. *