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在 2012-5-2，3:52，Ferenc Kovacs <tyr...@gmail.com> 写道：
>>
>>
>> So isset(UNDEFINEDCONSTANT) will be isset("UNDEFINEDCONSTANT") which
>> will/should
>> 1) yield a notice, which is unnexpected for isset
>> 2) return true, which is also unexpected.
>>
>> I don't see much point in that.
>>
>>
> yep, and if we allow expressions then it is the expected behavior, but you
> are right that this is will change the current standard that isset/empty
> can't raise a notice.
> but this isn't specific to isset, empty will also follow the same pattern.
>
This is really a issue .
Thanks
> --
> Ferenc Kovács
> @Tyr43l - http://tyrael.hu
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