yes it would be better to not define it.  that has been "the way" in php 3
and 4.  only back in v2 we had those "blah is not enabled" messages.

 - Stig

On Tue, 10 Jul 2001, Jeremy Bettis wrote:

> Why is the habit of PHP modules to define functions that might or might not
> work depending on library dependancies.
> 
> For example, ImageCopyResampled gives this error if libgd < 2.0:
> "ImageCopyResampled required libgd 2.0"
> 
> But that makes this code useless:
> 
> if (function_exists('ImageCopyResampled')) {
>     // doit the good way
>     ImageCopyResampled(.....);
> } else {
>     ImageCopyResized(.....);
> }
> 
> My point was to have the php script work regardless of what version of php
> was installed, but even if the function exists, it might not work.  Wouldn't
> it have been better if the function just didn't exist at all?
> --
> Jeremy Bettis
> [EMAIL PROTECTED]
> 
> 
> 
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