')=="") $aClean[$aKeys[$i]] = ""; break; default: // normal string (no HTML) $aClean[$aKeys[$i]] = trim(strip_tags($_REQUEST[$aKeys[$i]])); break; } break; case "a": // array if(!is_array($_REQUEST[$aKeys[$i]])) return "Fatal error: ".$aKeys[$i]." should be an array. ". $sErrorSuggestion; break; default: return "Fatal error: type of variable ".$aKeys[$i]." is not recognized.". $sErrorSuggestion; break; } } /* null out all input data so we can be assured that */ /* no unfiltered values are being used */ $_REQUEST = array(); $_POST = array(); $_GET = array(); if(APPDB_DONT_CLEAR_COOKIES_VAR != "1") $_COOKIES = array(); return null; } ?>