Fixes issue #364, use parse_url instead to get the hostname

Author: slackero

include/inc_front/content/cnt23.article.inc.php

@@ -2010,9 +2010,7 @@
     // get email addresses of recipients and senders
     $cnt_form["target"] = convertStringToArray($cnt_form["target"], ';');
     if(empty($cnt_form["subject"])) {
-        $cnt_form["alt_subj"] = str_replace('http://', '', $phpwcms['site']);
-        $cnt_form["alt_subj"] = substr($cnt_form["alt_subj"], 0, trim($phpwcms['site'], '/'));
-        $cnt_form["subject"]  = 'Webform: '.$cnt_form["alt_subj"];
+        $cnt_form["subject"]  = 'Webform: ' . parse_url($phpwcms['site'], PHP_URL_HOST);
     }
 
     // check for BCC Addresses