On 20/09/15 15:05, Rowan Collins wrote:
> is_null returns true in all the same situations as isset does. There is 
> absolutely no difference except for whether it raises a notice.

?  is_null returns true when isset returns false ... but because of the
notice and switching that off to hide it I'd missed that the pigging
is_null() was broken. It's only not outputting the missing elements
because they are non-existent, not because is_null() stops the function
being called ...
This is simply a red flag to why there NEEDS to be a proper fix rather
than having to rely on switching off notices which result in other
problems being masked!
But I suppose code that is several years old does not matter ... we just
live with the bugs.

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Lester Caine - G8HFL
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