Deal with empty results

application/models/Dok.php

@@ -75,7 +75,9 @@ function get_dok_array($bands, $postdata, $location_list) {
 		}
 
 		// We want to hide NM as marking not having a DOK at all
-		unset($bandDok['NM']);
+		if (isset($bandDok['NM'])) {
+			unset($bandDok['NM']);
+		}
 
 		if (isset($bandDok)) {
 			return $bandDok;

application/views/awards/dok/index.php

@@ -120,9 +120,11 @@
 
 <?php
    $doks = array();
-   foreach ($dok_array as $dok => $value) {
-      if (preg_match('/^[A-Z][0-9]{2}$/', $dok)) {
-         $doks[] = $dok;
+   if ($dok_array) {
+      foreach ($dok_array as $dok => $value) {
+         if (preg_match('/^[A-Z][0-9]{2}$/', $dok)) {
+            $doks[] = $dok;
+         }
       }
    }
 ?>