Re: isset

On Tue, 2007-04-17 at 13:14 +0100, Stut wrote: > Tim wrote: > > <snip> > >>> The count is maintained internally as items are > >> added/removed, and it > >>> is an O(1) operation for PHP to "count" the array, as it > >> already knows > >>> the answer and just returns it. > > </snip> > > > > Hi nothing to do with the actual topic, i am just wondering how you get this > > "internals" information you all seem to know so much about, it is very > > interesting and i'd like to add it to some of my "late night" reading if > > possible :) > > Just guessing, but I'd say probably the source code. That's where most > of the internals of PHP are documented. ;) Several sources... the C source code as Stut has presumed :) Also from reading the PHP-DEV list where the source is often discussed. Additionally, some of it is from my early Computer Science background where there's a large focus on data structures and algorithms. Cheers, Rob. -- .------------------------------------------------------------. | InterJinn Application Framework - http://www.interjinn.com | :------------------------------------------------------------: | An application and templating framework for PHP. Boasting | | a powerful, scalable system for accessing system services | | such as forms, properties, sessions, and caches. InterJinn | | also provides an extremely flexible architecture for | | creating re-usable components quickly and easily. | `------------------------------------------------------------'