Re: Trouble figuring out a Walk through an Array
| From: | Richard Davey | Date: | Thu, 13 Oct 2005 16:10:02 +0000 |
| Subject: | Re: Trouble figuring out a Walk through an Array | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-224062@lists.php.net to get a copy of this message | ||
Hi Phillip,
Thursday, October 13, 2005, 4:56:30 PM, you wrote:
> Having trouble figureing out a certain walk through an array.
> And I am not finding the help I need in the manual or anything.
> I have an associative arr ($arr) With about 20 elements in it.
> Ten of which are required. So I have another associative array called
> $required, with all the elements in the array that are required.
> I have initaited a foreach loop on the $arr splitting things into $key and
> $value.
> Now the part I am having trouble with is this.
> I want to see if $key matches any of the values in $required. If so do
> something in particular. If not then do something else. It does not
> particularly matter which value in the $required it matches, just so long as
> it matches.
While for-eaching through your $arr you could simply do an:
if (in_array($key, $required))
Unless you need something more complex than this?
Cheers,
Rich
--
Zend Certified Engineer
http://www.launchcode.co.uk