Re: Count empty array
| From: | Robert Cummings | Date: | Thu, 21 Dec 2006 21:47:38 +0000 |
| Subject: | Re: Count empty array | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-246138@lists.php.net to get a copy of this message | ||
On Thu, 2006-12-21 at 13:31 -0800, Kevin Murphy wrote:
> I'm wondering why this is.
>
> $data = "";
> $array = explode(",",$data);
> $count = count($array);
> $count will = 1
>
> $data = "Test";
> $array = explode(",",$data);
> $count = count($array);
> $count will = 1
>
> $data = "Test,Test";
> $array = explode(",",$data);
> $count = count($array);
> $count will = 2
>
> Why doesn't the first one give me an answer of 0 instead of 1.
For the same reason the second one gives you a count of one. There are
no commas and so only one item exists. Whether that be an string with
content or the empty string itself is irrelevant.
Cheers,
Rob.
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