Craige Leeder schreef:
> Ashley Sheridan wrote:
>> On Mon, 2008-11-17 at 17:47 -0500, Craige Leeder wrote:
>>
>>> Only thing to note with the foreach is that you are actually working
>>> on a copy of the array, so if you intend to modify it, pass it by
>>> reference.
>>>
>>> - Craige
>>>
>> Can you do that? I assume it would look like this:
>>
>> foreach(&$array as $a) {}
>>
>
> Close. It actually looks like this:
>
> foreach ($array as $key => &$value) {}
>
> This makes sense because for each iteration of the loop, PHP places a
> copy of the key in $key, and a copy of the value in $value. Therefor,
> you are specifying with this code that you want it to place a reference
> of the value into $value.
indeed but beware, using a variable named $value after such a foreach loop
in the same scope will lead to all sorts of things you don't expect.
>
> - Craige
>
>
>
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