On Wed, Dec 31, 2008 at 7:03 PM, Micah Gersten <micah@xxxxxxxxxxx> wrote: > Nathan Nobbe wrote: > > > > > > On Sun, Dec 28, 2008 at 8:40 PM, Micah Gersten <micah@xxxxxxxxxxx > > <mailto:micah@xxxxxxxxxxx>> wrote: > > > > Nathan Nobbe wrote: > > > good point dan, and just to add further clarification, thats b/c > the > > > function specifies $return_var is passed by reference in the formal > > > parameter. when you include the & along w/ an actual parameter > > (during > > > function invocation) thats referred to as > > call-time-pass-by-reference in > > > php, and its typically frowned upon. in fact, i think its being > > removed > > > from a future version of php. > > > > > > -nathan > > > > > > > > You don't call system using the ampersand. The reference is > > declared in > > the function definition. There's no reason for this to be frowned > > upon. > > > > > > well i dont think they deprecated it for shits-&-giggles. > > > > http://us.php.net/manual/en/language.references.pass.php > > > > its disabled by default in php.ini; wonder why.. ;) > > > > > > What you are referring to is the old PHP4 style of explicit > > pass-by-reference in function usage which is frowned upon. > > > > > > no im referring to call-time-pass by reference, which works just as > > well in php5; as long as you enable it in php.ini (or one of the other > > various ways). > > > > and also, for clarification, marking parameters as pass-by-reference > > works during method definition in php4 as well, of course. > > > > -nathan > > > I think I was confused here about your response. After re-reading a few > times, I see that you were enhancing Dan's response by explaining what > call-time pass by reference is, not saying that the function is used > that way. > My apologies. > no worries -nathan
