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Re: loose thinking [message #176797 is a reply to message #176795]

Wed, 25 January 2012 13:58

Peter H. Coffin
Messages: 245
Registered: September 2010

Karma:

Senior Member

On Wed, 25 Jan 2012 04:49:19 +0100, Thomas 'PointedEars' Lahn wrote:
> 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.

That's the *same point*, not "missing the point". I'm sorry that I'm not
wandering down the same mental path would, but I don't think in exactly
the same terms you do. Not everybody does.

> 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 ???

null's a special case that's NOT reported. Other cases of this are
reported.

hellsop /home/hellsop
[07:57:10] $ cat foo.php
<?php

$arr = array( q => 'r');

print_r($arr);

?>
hellsop /home/hellsop
[07:57:12] $ php -f foo.php
PHP Notice: Use of undefined constant q - assumed 'q' in
/home/hellsop/foo.php on line 3
Array
(
[q] => r
)
hellsop /home/hellsop
[07:57:15] $

--
32. I will not fly into a rage and kill a messenger who brings me bad
news just to illustrate how evil I really am. Good messengers are
hard to come by.
--Peter Anspach's list of things to do as an Evil Overlord

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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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