if (isset($array["key"]))
Tim Ward
Senior Systems Engineer
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> -----Original Message-----
> From: Martin Skjöldebrand [mailto:[EMAIL PROTECTED]]
> Sent: 04 May 2001 06:13
> To: [EMAIL PROTECTED]
> Subject: Searching for array keys
>
>
> 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
> is.
>
> I found:
>
> $os = array ("Mac", "NT", "Irix", "Linux");
> if (in_array ("Irix", $os)){
> <do stuff>;
> }
>
> But that only works on the values. But it is exactly what I
> want to do on
> keys instead.
>
> Suggestions?
>
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