On Wed, Jan 28, 2009 at 6:39 PM, Dan <d...@dancryer.com> wrote: >> >> You're assumption is wrong then, NULL isn't treated as not passing a >> value. The reason it worked with substr was by pure chance. >> > > Out of interest, is there a reason that that is the case? Surely passing > null would be best treated as the same as passing nothing?
NULL is a value. There is no way to tell that when you pass NULL, you actually intended to pass nothing and use the default value. Paul -- Paul Biggar paul.big...@gmail.com -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
