Posted by Richard Davey on 10/13/05 19:10

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

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