Re: loose thinking

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From	Arno Welzel <usenet@arnowelzel.de>
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Subject	Re: loose thinking
Date	Tue, 24 Jan 2012 17:02:07 +0100
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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.syntax.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

Thread

loose thinking "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-01-24 11:57 +0100
  Re: loose thinking "Álvaro G. Vicario" <alvaro.NOSPAMTHANX@demogracia.com.invalid> - 2012-01-24 14:04 +0100
    Re: loose thinking "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-01-24 14:32 +0100
      Re: loose thinking The Natural Philosopher <tnp@invalid.invalid> - 2012-01-24 13:41 +0000
        Re: loose thinking Jerry Stuckle <jstucklex@attglobal.net> - 2012-01-24 09:35 -0500
      Re: loose thinking "Peter H. Coffin" <hellsop@ninehells.com> - 2012-01-24 08:16 -0600
        Re: loose thinking "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-01-24 17:35 +0100
          Re: loose thinking The Natural Philosopher <tnp@invalid.invalid> - 2012-01-24 16:59 +0000
            Re: loose thinking "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-01-24 19:11 +0100
        Re: loose thinking Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-01-25 04:49 +0100
          Re: loose thinking "Peter H. Coffin" <hellsop@ninehells.com> - 2012-01-25 07:58 -0600
            Re: loose thinking Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-01-25 20:37 +0100
      Re: loose thinking "Álvaro G. Vicario" <alvaro.NOSPAMTHANX@demogracia.com.invalid> - 2012-01-24 16:20 +0100
        Re: loose thinking The Natural Philosopher <tnp@invalid.invalid> - 2012-01-24 15:43 +0000
        Re: loose thinking "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-01-24 19:43 +0100
      Re: loose thinking Arno Welzel <usenet@arnowelzel.de> - 2012-01-24 17:02 +0100
        Re: loose thinking "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-01-24 17:28 +0100

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