Ahh I see what you mean. Yes that doesn't seem right does it. The function
is passing the parameters by reference and affecting them as well as the
return value. I don't have a solution for this apart from just being
conscious of it and setting the unmodified arrays to new variables before
using the function.. or rolling your own merger function. :-\
-Kevin
----- Original Message -----
From: "Michiel van Wessem" <[EMAIL PROTECTED]>
To: "Kevin Stone" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Friday, September 20, 2002 10:52 AM
Subject: Re: [PHP] array_merge_recursive
> Hello Kevin,
>
> Yes, and that's the good part. The bad part is that $a is affected (try
> print_r($a)). I don't think it should be.
>
> Michiel
>
> At 12:41 PM 9/20/2002, Kevin Stone wrote:
>
> >Worked fine for me..
> ><?phpecho "<pre>";print_r($r);echo "</pre>";?>-----------Array
> >(
> > [k] => Array
> > (
> > [0] => a1
> > [1] => b1
> > )
> >
> >)
> >-----------Access the merged array with with $r['k']; with values at
> >$r['k'][0] and $r['k'][1]. Is this not what you wanted?
> >-Kevin
> >
> >----- Original Message -----
> >From: "Michiel van Wessem" <[EMAIL PROTECTED]>
> >To: <[EMAIL PROTECTED]>
> >Sent: Friday, September 20, 2002 10:14 AM
> >Subject: [PHP] array_merge_recursive
> >
> >
> > > Hello!
> > >
> > > I'm fairly new to PHP and absolutely new to this mailing list.
> > >
> > > I subscribed and I'm writing because I observed some strange behavior
with
> > > array_merge_recursive(). I'm using PHP version 4.1.2. Please look at
the
> > > following code:
> > >
> > > $a = array('k' => array('a1'));
> > > $b = array('k' => array('b1'));
> > > $r = array_merge_recursive($a, $b);
> > > echo count($a['k']), '<br>';
> > > echo count($b['k']), '<br>';
> > >
> > > This will print
> > > 2
> > > 1
> > >
> > > Apparently $a['k'] has been merged with $b['k'] and $a['k'] has been
set
> >to
> > > the resulting two-element array. I did not expect this behavior: I
> >expected
> > > the function to make a new array, which contains both 'a1' and 'b1'.
Only
> > > $r['k'] should refer to this new array.
> > >
> > > Otherwise, in my opinion, array_merge_recursive should not return a
value,
> > > just modify the first argument.
> > >
> > > Should I file a bug report about this?
> > >
> > > Thank you,
> > >
> > > Michiel van Wessem
> > >
> > >
> > > Network Administrator
> > >
> > >
> >
> >
>
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>
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