- added updated coding guidelines

- introduced is_registered and is_bot flags for correct determinition of guest/registered/bot users
- changed bot code to act on useragent || ip


git-svn-id: file:///svn/phpbb/trunk@5117 89ea8834-ac86-4346-8a33-228a782c2dd0

phpBB/includes/acm/acm_db.php

@@ -87,13 +87,14 @@ class acm
 		}
 		$this->var_expires = array();
 
-		if (count($delete))
+		if (sizeof($delete))
 		{
 			$sql = 'DELETE FROM ' . CACHE_TABLE . "
 				WHERE var_name IN ('" . implode("', '", $delete) . "')";
 			$db->sql_query($sql);
 		}
-		if (count($insert))
+
+		if (sizeof($insert))
 		{
 			switch (SQL_LAYER)
 			{