bug 1329 fixed: add a check_input_parameter function to prevent hacking

attempts.

git-svn-id: http://piwigo.org/svn/branches/2.0@4495 68402e56-0260-453c-a942-63ccdbb3a9ee

include/constants.php

@@ -38,6 +38,9 @@ define('ACCESS_ADMINISTRATOR', 3);
 define('ACCESS_WEBMASTER', 4);
 define('ACCESS_CLOSED', 5);
 
+// Sanity checks
+define('PATTERN_ID', '/^\d+$/');
+
 // Table names
 if (!defined('CATEGORIES_TABLE'))
   define('CATEGORIES_TABLE', $prefixeTable.'categories');