Approval.

iw/space_types.php

@@ -1,2 +1,15 @@
 <?PHP
 declare(strict_types = 1);
+$space_types = array (
+  'building' => 'Building',
+  'depot' => 'Depot room',
+  'utility_room' => 'Utility room',
+  'exhibition_room' => 'Exhibition room',
+  'display_cabinet' => 'Display cabinet',
+  'shelf' => 'Shelf',
+  'box' => 'Box',
+  'folder' => 'Folder',
+  'office' => 'Office',
+  'floor' => 'Floor',
+  'hallway' => 'Hallway',
+);