Add ability to dynamically add and delete columns

Intracto · Nov 29, 2016 · ba51276 · ba51276
1 parent ed3ad9a
commit ba51276
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/Columns.php b/src/Columns.php
@@ -62,15 +62,19 @@ public function offsetGet($offset)
      */
     public function offsetSet($offset, $value)
     {
-        throw new \InvalidArgumentException('Not implemented');
+        if ($this->offsetExists($offset) === false) {
+            $this->columns[$offset] = $value;
+        }
     }
 
     /**
      * {@inheritdoc}
      */
     public function offsetUnset($offset)
     {
-        throw new \InvalidArgumentException('Not implemented');
+        if ($this->offsetExists($offset) === false) {
+            unset($this->columns[$offset]);
+        }
     }
 
     /**