Mark Charette wrote:
>
>> > What's the best way of finding out if a specific array key is in an
> array?
>> > I have an associative array which *may* look like
>> > (car =>saab, house => mansion, countyW=> A) but can equally well look
> like
>> >
>> > (boat => daycruiser, house => flat, county => B).
>> >
>> > I want to find out if the key "car" is in the array and do something if
> it
>> try something like
>>
>> if (in_array("keyb",array_keys(array("key"=>"a","keyb"=>"b"))))) {
>> ...
>> }
>
> Maybe I'm being dense here, but won't a simple "isset()" work (using the
> KISS principle)?
>
> $ary=array("aa"=>"yy","bb"=>"zz");
>
> $key="aa";
> if (isset($ary[$key]))
> print "$key set\n";
> else
> print "$key not set\n";
>
> $key="bb";
> if (isset($ary[$key]))
> print "$key set\n";
> else
> print "$key not set\n";
>
> $key="cc";
> if (isset($ary[$key]))
> print "$key set\n";
> else
> print "$key not set\n"
>
> returns
>
> aa set
> bb set
> cc not set
>
Thanks,
So simple - giving it more thought than before rushing off to work I would
possibly have found it myself.
M.
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