RE: [PHP] <?=SID?> why does this work

Which is why such silly shortcuts are avoided in most instances in PHP. Popular demand forced this particular one into PHP though. -Rasmus On Thu, 6 Jul 2000, Keith Vance wrote: > That's why I couldn't understand it, I know nothing about ASP. > > Thanks, > -----Original Message----- > From: richard@zend.com [mailto:richard@zend.com] > Sent: Wednesday, July 05, 2000 6:21 PM > To: php-general@lists.php.net > Subject: Re: [PHP] <?=SID?> why does this work > > > In article <70D677608846D41184E20050DA7AA6600ADE5A@144.bzln.com>, > keithv@bzln.com (Keith Vance) wrote: > > > Why does a link like this work for adding the PHPSESSID to the URL. <? > > print ( "To continue, <A HREF=\"test_member2.php?" > > );?><?=SID?><? print ( > > "\">click here</A>" ); ?> > > <?= is short-hand for <?php echo > > It's one of the few ideas PHP "stole" from ASP. Mainly because it's one > of the few nice features of ASP. :-) > > > I don't get understand this, but I think I should. Also, is it possible to > > make $PHPSESSID global and be able to access it inside a function. I can't > > seem to get that work. > > I think SID is a constant, and therefore is inherently global and > available everywhere... > > There's really currently no such thing as a global variable from the > perspective of not inside a function: Only inside a function can a > variable be declared global. Constants, however, are global by their > nature. >