RE: Re: How do I remove an array element from within a recursive function?

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> -----Original Message-----
> From: Chris [mailto:dmagick@xxxxxxxxx]
> Sent: Thursday, February 26, 2009 8:48 PM
> To: Daevid Vincent
> Cc: php-general@xxxxxxxxxxxxx; Shawn McKenzie
> Subject: Re:  Re: How do I remove an array element from within a
> recursive function?
> 
> Daevid Vincent wrote:
> > I tried that and it still doesn't work. I even tried this hardcore
> > "test":
> >
> > public static final function removeMenuItems(&$menuItems,
> $removeArray)
> > {
> >     foreach($menuItems as &$value)
> >     {
> >         unset($value);
> >     }
> > }
> 
> You don't unset the value, you unset the key.
> 
> <?php
> 
> $items = array('menu1', 'menu2', 'menu3');
> 
> echo "Before:\n";
> print_r($items);
> 
> foreach ($items as $_menuKey => $value) {
> 	if ($value == 'menu2') {
> 		unset($items[$_menuKey]);
> 	}
> }
> 
> echo "After:\n";
> print_r($items);
> 
> 
> $ php test.php
> Before:
> Array
> (
>      [0] => menu1
>      [1] => menu2
>      [2] => menu3
> )
> After:
> Array
> (
>      [0] => menu1
>      [2] => menu3
> )

I would have gone with array_splice() on this one, I think. However, I
believe it will mangle associative arrays. Glad to know that there's a
way to use unset() on these, as I was unaware of it.

<3 this list! :D

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