Re: [PHP] process creation

2009-01-23 Thread Alexandre Gaigalas
On Fri, Jan 23, 2009 at 3:47 PM, bruce wrote: > A simple question (or so I thought). > > Does php allow an app to create/start a process/application that can > continue to run on its own, after the initiating program/app terminates? > > It appears that the spawning/forking functions might work, b

Re: [PHP] distinguish between null variable and unset variable

2009-01-21 Thread Alexandre Gaigalas
On Thu, Jan 22, 2009 at 12:21 AM, Paul M Foster wrote: > On Wed, Jan 21, 2009 at 05:27:35PM -0800, Jack Bates wrote: > > > How can I tell the difference between a variable whose value is null and > > a variable which is not set? > > > > // cannot use === null: > > > > ket% php -r '$null = null; va