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Re: loose thinking [message #176795 is a reply to message #176785]

Wed, 25 January 2012 03:49

Thomas 'PointedEars'
Messages: 701
Registered: October 2010

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Senior Member

Peter H. Coffin wrote:

> On Tue, 24 Jan 2012 14:32:52 +0100, M. Strobel wrote:
>> Okay I see it is well documented. I just started testing.
>>
>> I am angry about it because not even isset() respects the null value
>> here. I think it makes more sense this way: isset($a[null]) should
>> return false, because there is no null index.
>
> Parens change precedence. Even on functions.

You are missing the point, which is: `null' is being converted to the
primitive string value ''. A key of an *associative* array may be the empty
string. And that is good so.

What is questionable here is the implicit type conversion of non-numeric
values to string. But PHP is not alone there, so this behavior can be
expected. It might be nice if E_STRICT reported such spurious conversions
or there was an even stricter mode that forbade them. Perhaps in PHP 6 …

PointedEars
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[Message index]

		loose thinking By: M. Strobel on Tue, 24 January 2012 10:57
		Re: loose thinking By: alvaro.NOSPAMTHANX on Tue, 24 January 2012 13:04
		Re: loose thinking By: M. Strobel on Tue, 24 January 2012 13:32
		Re: loose thinking By: The Natural Philosoph on Tue, 24 January 2012 13:41
		Re: loose thinking By: Jerry Stuckle on Tue, 24 January 2012 14:35
		Re: loose thinking By: Peter H. Coffin on Tue, 24 January 2012 14:16
		Re: loose thinking By: M. Strobel on Tue, 24 January 2012 16:35
		Re: loose thinking By: The Natural Philosoph on Tue, 24 January 2012 16:59
		Re: loose thinking By: M. Strobel on Tue, 24 January 2012 18:11
		Re: loose thinking By: Thomas 'PointedEars' on Wed, 25 January 2012 03:49
		Re: loose thinking By: Peter H. Coffin on Wed, 25 January 2012 13:58
		Re: loose thinking By: Thomas 'PointedEars' on Wed, 25 January 2012 19:37
		Re: loose thinking By: alvaro.NOSPAMTHANX on Tue, 24 January 2012 15:20
		Re: loose thinking By: The Natural Philosoph on Tue, 24 January 2012 15:43
		Re: loose thinking By: M. Strobel on Tue, 24 January 2012 18:43
		Re: loose thinking By: Arno Welzel on Tue, 24 January 2012 16:02
		Re: loose thinking By: M. Strobel on Tue, 24 January 2012 16:28

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