If the termsOffered is empty, create an empty array, not an array with an empty member.

application/modules/courses/models/CourseModel.php

@@ -82,7 +82,11 @@ class Courses_CourseModel extends Unl_Model
 		$courses = array();
 		foreach ($records as $record) {
 			$record['deliveryMethods'] = explode(',', $record['deliveryMethods']);
-            $record['termsOffered'] = explode(',', $record['termsOffered']);
+            if ($record['termsOffered'] == '') {
+                $record['termsOffered'] = array();
+            } else {
+                $record['termsOffered'] = explode(',', $record['termsOffered']);
+            }
             $record['campuses'] = explode(',', $record['campuses']);
             $record['activities'] = array();
             $record['credits'] = array();