Re: system() Question

Nathan Nobbe wrote: > > > On Sun, Dec 28, 2008 at 8:40 PM, Micah Gersten <micah@onshore.com > <mailto:micah@onshore.com>> 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. Thank you, Micah Gersten onShore Networks Internal Developer http://www.onshore.com