- WIP on insert/update statement

src/EntityCollection.php

@@ -34,12 +34,21 @@ class EntityCollection extends \ArrayObject {
         }
     }
     
-    public function buildArray(string $keyColumn, string $valueColumn) : array
+    public function buildArray(string $keyColumn, /* string|callable */ $value) : array
     {
+        
         $list = [];
         
         foreach($this as $key => $item) {
-            $list[$item->$keyColumn] = $item->$valueColumn;
+            switch (true) {
+                case is_string($value):
+                    $list[$item->$keyColumn] = $item->$value;
+                break;
+                
+                case is_callable($value):
+                    $list[$item->$keyColumn] = $value($item);
+                break;
+            }
         }
         
         return $list;