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Groups > comp.lang.php > #6366

Re: Using count() as an array index

From Jerry Stuckle <jstucklex@attglobal.net>
Newsgroups comp.lang.php
Subject Re: Using count() as an array index
Date 2012-06-18 13:38 -0400
Organization A noiseless patient Spider
Message-ID <jrnp3m$9tr$1@dont-email.me> (permalink)
References (2 earlier) <jrihcn$7ht$1@dont-email.me> <jrik64$ovm$1@dont-email.me> <jrknos$cg2$1@dont-email.me> <jrkpgd$m1c$1@dont-email.me> <jrnf04$8hg$1@dont-email.me>

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On 6/18/2012 10:46 AM, Martin Leese wrote:
> Jerry Stuckle wrote:
>> On 6/17/2012 9:57 AM, Martin Leese wrote:
>>> Jerry Stuckle wrote:
>>> ...
>>>> Be aware, though - the typical array in PHP starts counting at 0, not
>>>> 1. So an array of 3 elements would be numbered 0, 1 and 2. In this
>>>> case, an element with an index of 3 (count($anArray)) is not set (and
>>>> will give a warning if you try to use it).
>>>>
>>>> You need to get used to this idea; it's used throughout PHP.
>>>
>>> The test code I posted was taken from my
>>> application in which I deliberately start my
>>> array with [1]. This is because the array
>>> holds numbered sections of an FAQ, and it
>>> makes more sense to have Section 1 in array
>>> element [1], etc.
>>
>> Actually, I think it's a bad way to do things. What happens if you
>> want to add a new section - or delete one? You'll have to change your
>> code, which should never be the case.
>>
>> A better way is to hold the information in a database.
>
> No, I will not need to change my code. I
> am using an array as a replacement for a
> database. Here is a snippet of my file
> faqData.php to give you the idea:
>
> // Set data to identify Web page, and set prev and next anchors
> // Note that the first set must have index explicitly set to [1]
> $tempIndex = 1;
> $dataHref[$tempIndex] = "Ambisonic/faq_section01.html";
> $dataAnchorText[$tempIndex] = "1. Where can I get this FAQ?";
> $dataCompleteText[$tempIndex] = "1. <a href=\"#SECTION1\">Where can I
> get this FAQ?</a>";
> $dataSplitText[$tempIndex] = "1. <a rel=\"section\"
> href=\"$dataHref[$tempIndex]\">Where can I get this FAQ?</a>";
>
> $tempIndex++;
> $dataHref[$tempIndex] = "Ambisonic/faq_section02.html";
> $dataAnchorText[$tempIndex] = "2. Corrections to the FAQ";
> $dataCompleteText[$tempIndex] = "2. <a href=\"#SECTION2\">Corrections to
> the FAQ</a>";
> $dataSplitText[$tempIndex] = "2. <a rel=\"section\"
> href=\"$dataHref[$tempIndex]\">Corrections to the FAQ</a>";
>

Yes, which means if you need to change your FAQs you need to change this 
code.

-- 
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

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Thread

Using count() as an array index Martin Leese <please@see.Web.for.e-mail.INVALID> - 2012-06-15 12:51 -0600
  Re: Using count() as an array index Gregor Kofler <usenet@gregorkofler.com> - 2012-06-15 21:04 +0200
  Re: Using count() as an array index Denis McMahon <denismfmcmahon@gmail.com> - 2012-06-15 21:38 +0000
  Re: Using count() as an array index Chuck Anderson <cycletourist@invalid.invalid> - 2012-06-15 15:44 -0600
    Re: Using count() as an array index Martin Leese <please@see.Web.for.e-mail.INVALID> - 2012-06-16 11:56 -0600
      Re: Using count() as an array index Jerry Stuckle <jstucklex@attglobal.net> - 2012-06-16 14:44 -0400
        Re: Using count() as an array index Scott Johnson <noonehome@chalupasworld.com> - 2012-06-16 14:43 -0700
        Re: Using count() as an array index Martin Leese <please@see.Web.for.e-mail.INVALID> - 2012-06-17 07:57 -0600
          Re: Using count() as an array index Jerry Stuckle <jstucklex@attglobal.net> - 2012-06-17 10:27 -0400
            Re: Using count() as an array index Martin Leese <please@see.Web.for.e-mail.INVALID> - 2012-06-18 08:46 -0600
              Re: Using count() as an array index Jerry Stuckle <jstucklex@attglobal.net> - 2012-06-18 13:38 -0400
                Re: Using count() as an array index Martin Leese <please@see.Web.for.e-mail.INVALID> - 2012-06-19 09:03 -0600
                Re: Using count() as an array index Jerry Stuckle <jstucklex@attglobal.net> - 2012-06-19 11:27 -0400
        Re: Using count() as an array index Arno Welzel <usenet@arnowelzel.de> - 2012-06-18 09:46 +0200
          Re: Using count() as an array index Norman Peelman <npeelmandog@cfl.rr.com> - 2012-06-18 06:32 -0400
            Re: Using count() as an array index The Natural Philosopher <tnp@invalid.invalid> - 2012-06-18 12:24 +0100
            Re: Using count() as an array index Arno Welzel <usenet@arnowelzel.de> - 2012-06-18 19:43 +0200
              Re: Using count() as an array index "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-06-19 09:31 +0200
          Re: Using count() as an array index Jerry Stuckle <jstucklex@attglobal.net> - 2012-06-18 08:43 -0400
        Re: Using count() as an array index Christoph Becker <cmbecker69@gmx.de> - 2012-06-19 13:24 +0200
          Re: Using count() as an array index Jerry Stuckle <jstucklex@attglobal.net> - 2012-06-19 07:39 -0400
            Re: Using count() as an array index Christoph Becker <cmbecker69@gmx.de> - 2012-06-19 15:04 +0200
          Re: Using count() as an array index Martin Leese <please@see.Web.for.e-mail.INVALID> - 2012-06-19 09:14 -0600

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