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Re: Unique array of arrays - how can I do this?

Message-ID <1654165.He4Uvg28Du@PointedEars.de> (permalink)
From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Organization PointedEars Software (PES)
Date 2013-05-06 00:06 +0200
Subject Re: Unique array of arrays - how can I do this?
Newsgroups comp.lang.php
References <e6f6a70e-e5a3-435b-b354-273c2386153e@googlegroups.com>

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thomas.lehmann.private@googlemail.com wrote:

> While calculation I get a solution as an array of integers.
> There're many solutions and I would like to keep them in an array.
> 
> Because of the algorithm there are different paths to get to
> the same solution but I want to have it once only.
> 
> I know that I can use array_unique but that's too slow
> when called too often. I can't wait until end of calculation
> because then I run into memory problems.
> 
> So I need an efficient way to add elements once only to
> an array while calculation with an array as element.
> 
> How can I do this?

You need to be more specific about your problem.  What is the calculation?  
What kind of integers are in one array?  How do you add them?  How many 
integers?  How many arrays of integers in your array?

And please get a real name.  That said, avoid Google Groups for posting; use 
a newsreader instead.

<http://www.catb.org/~esr/faqs/smart-questions.html>


PointedEars
-- 
> If you get a bunch of authors […] that state the same "best practices"
> in any programming language, then you can bet who is wrong or right...
Not with javascript. Nonsense propagates like wildfire in this field.
  -- Richard Cornford, comp.lang.javascript, 2011-11-14

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Thread

Unique array of arrays - how can I do this? thomas.lehmann.private@googlemail.com - 2013-05-04 04:51 -0700
  Re: Unique array of arrays - how can I do this? The Natural Philosopher <tnp@invalid.invalid> - 2013-05-04 13:20 +0100
  Re: Unique array of arrays - how can I do this? Denis McMahon <denismfmcmahon@gmail.com> - 2013-05-04 12:25 +0000
  Re: Unique array of arrays - how can I do this? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-06 00:06 +0200

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