--- a/include/common.inc.php
+++ b/include/common.inc.php
@@ -26,6 +26,8 @@
 		$otpAPIurl = 'http://10.0.1.135:8080/opentripplanner-api-webapp/';
 }
 if (isDebug("phperror")) error_reporting(E_ALL ^ E_NOTICE);
+$labsPath = "";
+if (strstr($_SERVER['PHP_SELF'],"labs")) $labsPath = "../";
 
 include_once ("common-geo.inc.php");
 include_once ("common-net.inc.php");
@@ -163,7 +165,7 @@
 			$key => $val
 		));
 	}
-	if ($sort_ascending) $array = array_reverse($temp_array);
+	if ($sort_ascending && isset($temp_array)) $array = array_reverse($temp_array);
 	else $array = $temp_array;
 }
 function r_implode( $glue, $pieces )