- updated all code to use the request class instead of any direct access to

super globals
- disabled super globals in common.php. See commit r9101 for
  more information
- cleaned up/simplified a few lines along the way.

git-svn-id: file:///svn/phpbb/trunk@9102 89ea8834-ac86-4346-8a33-228a782c2dd0

phpBB/includes/ucp/ucp_prefs.php

@@ -29,7 +29,7 @@ class ucp_prefs
 	{
 		global $config, $db, $user, $auth, $template;
 
-		$submit = (isset($_POST['submit'])) ? true : false;
+		$submit = request::is_set_post('submit');
 		$error = $data = array();
 		$s_hidden_fields = '';