Re: 2 errors I can not understand

On Wed, 2007-03-14 at 12:57 +0100, Tijnema ! wrote: > On 3/14/07, Myron Turner <turnermm02@shaw.ca> wrote: > > Richard Lynch wrote: > > > On Tue, March 13, 2007 6:04 pm, Jonathan Kahan wrote: > > > > > >> This did fix the problem but I am amazed that > > >> > > >> $s%$d=0 would be interpereted as a statement assigning d to 0 since > > >> there is > > >> some other stuff in front of d... I would think that would produce an > > >> error > > >> at compile time since $s%$d is an illegal variable name. Normally when > > >> my > > >> php script errors at compile time nothing will display to the screen. > > >> > > > > > > You still have not correctly puzzled out what $s % $d = 0 is doing... > > > > > > The = operator takes precedence, and $d is set to 0. > > > > > But why? According to the manual, the modulus operator has precedence > > over the equals! So shouldn't this expression resolve to: > > ($s % $d) = 0 > > which gives an error? > Might it be that it generates only an error in specific error levels? Simple proof of precedence problem: <?php $x = 6; $y = 4; echo ($x%$y=5)."\n"; echo ($x%$y=4)."\n"; ?> 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. | `------------------------------------------------------------'