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Date: Sat, 21 Nov 2009 00:46:39 -0500
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Subject: Re: [PHP-DEV] suggestion about ternary operator
From: seza@paradoxal.org (Alban)

Le Fri, 20 Nov 2009 23:28:39 -0600, Larry Garfield a écrit :

> On Friday 20 November 2009 11:12:29 pm Alban wrote:
> 
>> This is not a big problem but if a solution exists, this would be so
>> cool ! Especialy when we have to check existance of twenty or more key
>> in array. Code would be be lighter and clear.
> 
> I cannot comment on the rest of your post right now, but if you are
> checking for the existence of a bunch of keys in an associative array
> and setting defaults if they are not set, the following will be
> considerably faster and easier to read:
> 
> $my_array += array(
>   'a' => 'A',
>   'b' => 'B',
>   'c' => 'C',
> );
> 
> That will set $my_array['a'] to A iff it doesn't exist, ['b'] to B iff
> it doesn't exist, etc.  That is far nicer to read than a bunch of
> ternaries, short-circuited or no.  You can even stick the defaults array
> into a function and call it from various places to ensure your array
> always has the same sane defaults.

Yes, union operator is a pretty solution for arrays.

-- 
Alban Leroux seza@paradoxal.org