Re: Add/Update an Array Element PHP

[Glenn Hopwood <ghopwood.list@xxxxxxxxx>]

There's lots of code for multi-dimensional array searches at the bottom 
of the php.net page that Tom sent. (I love the comments portion of php.net)

http://www.php.net/manual/en/function.array-search.php

Glenn

On 7/7/2010 12:58 PM, Shannon ODonnell wrote:
> That's interesting!  That works really well for a single level array.
>
> But...if I had a multidimensional array, how would I use array_search to find a match?
>
> Assume the following MDA:
>
>     $Array1[0] = array("key1"=>"apple",
>                        "key2"=>"pear",
>                        "key3"=>"fruit");
>
>     $Array1[1] = array("key1"=>"Carrot",
>                        "key2"=>"Potato",
>                        "key3"=>"vegetable");
>
>
>   Let's say I wanted to do something like find the array index (key) for Potato.
>
>      $foundindex = array_search("potato", $Array1);
>
> This doesn't work by the way, but that's my question...what would be the syntax to find Potato?
>
> Thanks!
>
>
> -----Original Message-----
> From: pctech-bounces@xxxxxxxxxxxx [mailto:pctech-bounces@xxxxxxxxxxxx] On Behalf Of Tom Jedrzejewicz
> Sent: Wednesday, July 07, 2010 10:54 AM
> To: PC Technical Discussion for iSeries Users
> Subject: Re: [PCTECH] Add/Update an Array Element PHP
>
> Use array_search, which returns the value of the first match ...
>
> http://www.php.net/manual/en/function.array-search.php
> http://forums.zend.com/viewtopic.php?f=63&t=1407
>
> ---------
> Tom Jedrzejewicz
> tomjedrz@xxxxxxxxxxxxxx
>
>
>
> On Wed, Jul 7, 2010 at 8:18 AM, Shannon ODonnell
> <sodonnell@xxxxxxxxxxxxxxxxxxxxxxxxx>  wrote:
> > So this is driving me crazy trying to figure out the syntax.
> >
> >
> >
> > Very probably I'm overthinking it and making it harder than it needs to be
> > but.
> >
> >
> >
> > In RPG, it's really easy to find an element in an array based on some value,
> > and then to update that array element at the found index.
> >
> >
> >
> >   If      myArray(idx) = "T"
> >
> >      Eval   myArray(idx) = "F";
> >
> > Endif;
> >
> >
> >
> >
> >
> > But how do I do that in PHP?
> >
> >
> >
> > I can search for a value in an array using  in_array:
> >
> >
> >
> >    $found = in_array($myValueToSearchFor, $theArrayToSearch)
> >
> >   If($found)
> >
> >   {
> >
> >   }
> >
> >
> >
> >
> >
> > But I can't quite figure out, once I know that my value is in that array, of
> > how to update that particular array element  and/or add a new element to
> > that array at that index.
> >
> >
> >
> >
> >
> >
> >
> > Shannon O'Donnell
> >
> >
> >
> >
> >
> > --
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