Ok, so if an argument is supplied to the function, the "= null" is ignored?
Jeff > -----Original Message----- > From: Brad Pauly [mailto:[EMAIL PROTECTED] > Sent: Thursday, September 25, 2003 4:09 PM > To: Jeff McKeon > Cc: [EMAIL PROTECTED] > Subject: Re: [PHP] Understanding code.. again > > > Jeff McKeon wrote: > > Function Showmessage($msgvar = null) > > { > > echo $msgvar; > > } > > ?> > > --snip-- > > > > What is the purpose in the function def of "($msgvar = > null)"?? Why > > not just "function showmessage($msgvar)"?? > > That sets a default value for $msgvar so you can call the function > without an argument and it will not raise an error. > > - Brad > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
