On Wednesday 16 Feb 2011 at 00:49 Simon J Welsh wrote:

> As $z is converted to a boolean and exists, that works just the same way as
>  !empty(). ---

First I'd like to apologise for handing out bad advice, and second, to thank 
Simon and Andre for pointing out my mistake. I'll go back to keeping my mouth 
shut in future :)

Cheers guys,


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