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Re: loose thinking [message #176789 is a reply to message #176783]

Tue, 24 January 2012 16:02

Arno Welzel
Messages: 317
Registered: October 2011

Karma:

Senior Member

M. Strobel, 2012-01-24 14:32:

> Am 24.01.2012 14:04, schrieb "Álvaro G. Vicario":
>> El 24/01/2012 11:57, M. Strobel escribió/wrote:
>>> I hate this sloppiness of PHP:
[...]
>>> There is no difference between an empty string and null in array indexing. That is
>>> stupid. Why does the language not just respect my definitions?
>>
>> Because your make your definitions fit in something that already have a previous
>> definition. String keys must be integers or strings, as documented:
>>
>> http://es.php.net/manual/en/language.types.array.php#language.types.array.s yntax.array-func
[...]
> 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.
>
> 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.

Well - the roots of PHP are PHP/FI which could not be called a
"designed" language.

See <http://www.php.net/manual/phpfi2.php#history>

*scnr*

--
Arno Welzel
http://arnowelzel.de
http://de-rec-fahrrad.de

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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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