Il segunte codice mi da errore relativamente alla concatenazione condizionale in grassetto. come mai?
codice:
<?php
require 'config.inc'; // simple general setting ;-)
require 'language.en.inc'; // language settings
require 'display.inc'; // it's the function that print the markup
$title = "<span id='titletop'>$wikititle - </span><span id='tit_nav'>$newcat</span>";
if(isset($_COOKIE['username'])){
$node = "<h4>Welcome " . $_COOKIE['username'] . "!</h4>\n";}
else {$node = "<h4>you are not logged in!</h4>\n";}
if(isset($_POST['submit'])){
node .= "hai inviato il modulo";
}
$node .= "[/list]\n<form action='addcat.php' method='post'>\nnew category:
<input type='text' name='newcatname' class='input' />\n<input type='submit' name='submit' value='add category' id='send' />\n</form>";
// navigation bar
require 'navigation.inc';
// here is where everything will be printed by using the function "display" defined in display.inc
display($title, $node, $navigation, $templatenode);
?>