NYCPHP Meetup

[Daniel Convissor]

On Mon, Aug 18, 2008 at 01:09:18PM -0400, Kenneth Downs wrote:
> David Mintz wrote:
> >On Mon, Aug 18, 2008 at 8:51 AM, Kenneth Downs <ken at secdat.com 
> ><mailto:ken at secdat.com>> wrote:
> >
> >    function a(&$array, $key,$default='') {
> >
> >Does using an array reference &$array buy you anything in this instance?
> 
> The basic idea is you don't know how big the array is and you don't want 
> to pass anything more than you want to.

PHP functions always act on a pointer/reference of the input value UNTIL 
you write to it.  So, in this case, making $array a reference buys you 
nothing.  I don't know if it penalizes you, though.

--Dan

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