Re: Undefined index

even better yet. this is how i have things. <?php function alternate(&$a, $b) { return( $a = ( $a ? $a : $b ) ); } then in your script do this. echo $_GET['action']; // this will give you an error if you didn't pass anything. alternate($_GET['action'], 'action is now set to this string'); echo $_GET['action']; // this will echo 'action is now set to this string' ?> now, if $_GET['action'] is blank, null, or not set at all, then it will set $_GET['action'] to whatever you give as the second argument. ----- Original Message ----- From: "Jim Lucas" <phplist@zonedzero.net> To: "caspar kennerdale" <caspar@thetuckshop.com>; <adam@cryptocomm.com> Cc: <php-general@lists.php.net> Sent: Thursday, May 08, 2003 9:00 AM Subject: Re: [PHP] Undefined index > yes, you can > > if ( empty($_GET['action']) ) > $_GET['action'] = ''; > > Jim > ----- Original Message ----- > From: "caspar kennerdale" <caspar@thetuckshop.com> > To: <adam@cryptocomm.com> > Cc: <php-general@lists.php.net> > Sent: Wednesday, May 07, 2003 8:46 AM > Subject: RE: [PHP] Undefined index > > > > Thanks that 'covers' up the error message, but is there no way to give the > > index a value then when it is the default of a switch? > > > > > > Cheers > > > > Caspar > > > > > > Just at the top of your page, or in an include, put: > > > > error_reporting(E_ALL ^ E_NOTICE); > > > > (This is according to the error_reporting manual page). > > > > > > On Wed, 2003-05-07 at 11:37, caspar kennerdale wrote: > > > I have a basic switch defining the structure of my page. (see below) > > > > > > Whenever the default case is loaded I get a message that "action" is an > > > undefined index. I understand that this is because "action" has no > value. > > If > > > I go to any of the other cases of my switch and thus giving "action" a > > value > > > then I do not get the message. > > > > > > How do I give action an initial value so this message does not appear > > > initally? (I dont want to rely on isps turing messaging off!) > > > > > > If this isnt possible can you turn messaging off in .htaccess in the > same > > > way you can control register globals? > > > > > > > > > > > > <?php > > > > > > switch ($_GET['action']) { > > > default: > > > echo "<a > > > href=\"index.php?action=Test&variable=yes\">test</a>"; > > > > > > break; > > > > > > case "Test": > > > $variable=$_GET["variable"]; > > > echo $variable; > > > break; > > > > > > } > > > > > > ?> > > -- > > Adam Voigt (adam@cryptocomm.com) > > Linux/Unix Network Administrator > > The Cryptocomm Group > > > > > > -- > > 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 > > > > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > >