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Re: loose thinking [message #176791 is a reply to message #176785]

Tue, 24 January 2012 16:35

M. Strobel
Messages: 386
Registered: December 2011

Karma:

Senior Member

Am 24.01.2012 15:16, schrieb Peter H. Coffin:
> 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.
>
>> The point is that the designers of PHP (if you can talk about design
>> here) probably meant to help programmers in not making all these
>> hideous type distinctions, but the outcome is you have to be really
>> careful about loose comparison and unwanted type conversion, having to
>> write even more if constructs.
>
> Yup. If you want Pascal, you know where to find it.

In my library, Niklaus Wirth, Algorithms and Data Structures, 3. Ed. 1983.

But not so much in web programming.

/Str.

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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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