Re: while question

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 > > >