Re: Re[2]: [PHP] counting words in a string
| From: | Justin French | Date: | Sat, 28 Sep 2002 17:26:31 +0000 |
| Subject: | Re: Re[2]: [PHP] counting words in a string | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-117964@lists.php.net to get a copy of this message | ||
You need to look at a few options... one is regular expression (not my
forte), or perhaps winding through the string one character at a time,
writing a very simple state engine.
Justin French
on 28/09/02 4:47 PM, rdkurth@starband.net (rdkurth@starband.net) wrote:
> Hello Justin,
>
> That worked perfect but I have one more problem I need to know if one
> of the word is UNAVAILABLE I need to know if it is the first one or
> the second one. I don't know if there is any way to do this.
> 1st 2nd
> $string ="UNAVAILABLE AVAILABLE More Info";
> 1st 2nd
> $string ="AVAILABLE More Info UNAVAILABLE ";
>
> Friday, September 27, 2002, 11:22:42 PM, you wrote:
>
>
> JF> if this is your SPECIFIC problem, putting a space at the beginning of
> $srch
> JF> will help, eliminating XAVAILABLE... but this will cause a problem with
> the
> JF> word AVAILABLE appearing at the start of the string, so temporarily put a
> JF> space at the start of the string:
>
> JF> <?
> JF> // UNTESTED
> JF> $count = substr_count(' '.strtolower($string), strtolower('
> JF> '.$srch));
> JF> echo $count;
> ?>>
>
> JF> this won't help if there are newlines and other white space instead of
> JF> spaces, and won't help (so far) for a different set of circumstances...
>
> JF> it would be nice to extend substr_count() could be extended to have an
> JF> option.
>
> JF> Justin
>
>
>
> JF> on 28/09/02 3:41 PM, rdkurth@starband.net (rdkurth@starband.net) wrote:
>
>>>
>>> I need to count how many times the word AVAILABLE appears in a string
>>> like this
>>> $string ="AVAILABLE More Info AVAILABLE More Info";
>>> some time the string looks like this
>>> $string ="UNAVAILABLE More Info AVAILABLE More Info";
>>> or
>>> $string ="AVAILABLE More Info UNAVAILABLE More Info";
>>> when I use
>>> $srch="AVAILABLE";
>>> $count=substr_count(strtolower($string), strtolower($srch));
>>> echo $count;
>>> it puts the count a 2 even when one of the words is UNAVAILABLE
>>> how can I make it only count AVAILABLE and not UNAVAILABLE or visa
>>> verse
>
>
>
>