[PHP-DEV] Re: Array merge changes VALUE of keys, never mind the type From: Andrei Zmievski (andrei <email protected>)
Date: 09/28/01

On Fri, 28 Sep 2001, Nick Lindridge wrote:
> > array_merge() does *not* change the value of keys. Period.
>
> Sigh, yes it does. And below is the simple proof.

I should have said, does not change the type of keys.

> <? // -*- c -*-
>
> $arr1 = array(1=>'one');
> $arr2 = array(2=>'two');
>
> print_r(array_merge($arr1, $arr2));
>
> ?>
>
> gives:
>
> Array ( [0] => one [1] => two )
>
> Please tell me in what way this hasn't changed the
> keys.

Yes, array_merge() is meant to simply concatenate two arrays together,
one after the other, so it _has_ to renumber the numeric keys. To do
what you want, use the + operator on the arrays.

> Derrick and your response andrei are very
> disappointing.

I guess you just have to live with it.

-Andrei

As I was going up the stair, I met a man who wasn't there.
He wasn't there again today. I wish, I wish he'd stay away.
                                                             -Hughes Mearns 

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