Posted by Jim on 04/27/07 09:48

> Use typecast then
>
> if(ctype_digit((string)$var))
> var is an int
>
> or
>
> if(ctype_digit("$var"))
> var is an int
>
> another possibility, without function calls:
>
> if((string)(int)$var === (string)$var)
> var is an int

Can't do that as a non-numeric string will be cast to 0 and therefore
won't be correctly validated.

Jimmy.

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